"iPhone 16 vs iPhone 15: Which one should you buy now?"
"New phones are expensive, so I want to know the best value option, including used and older models."

For those asking these questions, this article will organize everything from specs, camera, battery, price, and lifespan (how long it can be used) for the "iPhone 16 vs iPhone 15 differences."

According to official Apple information, the iPhone 16 is a model with significant internal evolution, featuring the A18 chip, Wi-Fi 7, and Apple Intelligence support. On the other hand, the iPhone 15, equipped with the A16 chip, is a highly complete model and remains a strong candidate if you're looking for an older or used model.

We will categorize which generation and purchasing method suits you best based on three criteria: "safety, value, and practicality." Finally, we will also introduce PRODIG's recommended choices. Even if you are new to used iPhones, you should be able to find your answer by the time you finish reading.

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Quick Overview of iPhone 16 vs. 15 Differences | For Those Who Want the Conclusion First

In a nutshell, the difference between the iPhone 16 and 15 is that "the iPhone 16 has enhanced AI (Apple Intelligence) support, battery, and network capabilities, while the iPhone 15 shines in its price and overall balance."

Both are standard models with approximately 6.1-inch organic EL displays, and their camera configurations and basic usability are similar, but they differ in internal chips and supported features. The iPhone 16 boasts improved processing performance and power efficiency with the A18 chip, and the full utilization of Apple Intelligence (generative AI functions) is a major draw. The iPhone 15, on the other hand, has the A16 chip, which offers sufficient performance for everyday use, making it a prime target now that its price has come down.

Both models also support future OS updates like iOS 18 and iOS 26, and Apple generally provides software support for about 5 to 7 years from launch. Therefore, in terms of "longevity" for purchases made now, both are safe choices.

Below, we will break down the "iPhone 16 vs. 15 differences" further and discuss "which is better to buy" based on usage and budget.

 

Key Differences Between iPhone 16 and 15: "AI, Battery, and Comfort"

First, it's important to note the three key points: "AI (Apple Intelligence)," "battery life," and "communication comfort."

With the A18 chip, the iPhone 16 achieves higher processing performance and power efficiency than before, enabling AI-powered features such as document summarization, image generation, and smart notification organization through Apple Intelligence. Since the entire iPhone 16 series is designed with Apple Intelligence compatibility, it is a generation likely to enjoy the latest AI features with future OS updates.

On the other hand, the standard iPhone 15 is not targeted for Apple Intelligence, which creates a significant functional gap with the Pro models of the same generation. However, the A16 chip still offers sufficient performance for social media, video viewing, light gaming, and camera use. If cost-performance is a priority, then the strategy of "deliberately choosing the iPhone 15 and buying it used or as an older model at a favorable price" is still strong.

Let's consider which generation suits you based on "how much you value AI" and "how long you want to use it comfortably."

iPhone 16 is recommended for:

The iPhone 16 is recommended for the following people:

• Those who want to use new AI features like Apple Intelligence daily
  
  

• Those who want their smartphone to help with organizing work notes, summarizing emails, and structuring thoughts
  
  

• Those who want heavy tasks like games and camera work to run smoothly
  
  

• Those who want to leverage a high-speed network environment with Wi-Fi 7 compatibility
  
  

• Those who want to enjoy the latest features for as long as possible, including iOS 26 and beyond
  
  

The iPhone 16 also boasts a significant improvement in battery life, with video playback time increasing from approximately 20 hours on the iPhone 15 to about 22 hours.For those who are out all day for work or who want to enjoy videos and games for long periods, "battery drain" can often be a source of stress. In that sense, the iPhone 16 can elevate daily usability.

While the price is higher than the iPhone 15, considering the "longer period of comfortable use," it can be a sufficiently cost-effective option in terms of total cost.

iPhone 15 is recommended for (targeting older models/used):

Conversely, the iPhone 15 is recommended for the following people:

• Those who want to keep their budget as low as possible but don't want to compromise too much on performance
  
  

• Those whose primary use is social media, browsing, video viewing, and light gaming
  
  

• Those for whom Apple Intelligence is "nice to have, but not essential"
  
  

• Those who want to use an iPhone with a focus on cost-effectiveness by smartly utilizing used or older models
  
  

The iPhone 15, equipped with the A16 chip, is a standard model with performance comparable to a slightly older Pro model. It has almost no issues for everyday use, and photos and videos are sufficiently beautiful.

Additionally, it is expected to be supported until iOS 26, meaning it has the potential to remain actively usable for at least several years even if purchased now.

At PRODIG, you can purchase used iPhone 15 series models by choosing the condition and capacity, making it possible to make smart choices like "aiming for a 1-2 rank higher capacity/condition for the same budget as a new phone."

PRODIG's Used iPhone 15 Series Lineup is here:
https://prodig-shop.com/collections/iphone-15series

 

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Spec Comparison | Differences in Chip, Screen Size, and Design

At first glance, the iPhone 16 and 15 appear to be "almost identical" sibling models. However, when comparing the chips, communication standards, and subtle features, there is actually a distinct "generational difference in their internal workings." Here, we'll organize the spec differences and explain "how the numerical differences impact user experience."

First, both models use an approximately 6.1-inch Super Retina XDR display, with resolution and basic display quality being nearly identical.Therefore, you can assume that there's "not much need to choose based solely on screen beauty." On the other hand, the internal chips show a two-generation leap, with the iPhone 16 featuring the A18 and the iPhone 15 the A16.

Furthermore, the iPhone 16 supports Wi-Fi 7, which, when combined with a compatible router, can provide stable and high-speed communication even in congested environments. While the iPhone 15's Wi-Fi 6 support is still practical enough, looking ahead to future network environments, the iPhone 16's design offers more headroom.

Differences Between A18 and A16 Chips

The difference between the A18 chip (iPhone 16) and the A16 chip (iPhone 15) goes beyond mere benchmark numbers, making an impact in terms of "AI processing, power efficiency, and long-term support."

The A18 chip is designed with Apple Intelligence in mind, featuring enhanced CPU, GPU, and Neural Engine to efficiently handle on-device AI processing. It can complete many tasks on the device itself, such as large-capacity image editing, demanding games, and AI-powered text summarization/generation, offering advantages in terms of responsiveness and battery efficiency.

On the other hand, the A16 chip is a proven chip adopted in the iPhone 14 Pro series, boasting sufficient power for everyday use. Video editing apps and 3D games run comfortably on many titles, making it "easily viable for several years." However, it does not fully support Apple Intelligence, so those who "want to fully utilize AI features" may find it lacking in some situations.

Considering the duration of long-term OS updates and security patch provisions, the iPhone 16, with its newer chip, is more likely to be supported for a slightly longer period.

Comparing Screen Size, Weight, and Grip

Both the iPhone 16 and 15 feature an approximately 6.1-inch display, offering a standard size that is just about manageable with one hand. This balanced display is easy to handle on crowded commutes and provides an immersive experience for video viewing and gaming.

There's also no significant change in weight or thickness, and when held side-by-side, the difference in "feel" is barely noticeable. Therefore, instead of choosing a model based on grip, it's better to consider "how you'll customize it with a case" and "how much weight you can tolerate relative to your hand size."

If one-handed operation is a priority and you're looking for a slightly smaller model, the iPhone SE series or previous mini models are also options. In such cases, filtering by screen size from PRODIG's used iPhone list will help you find a size that fits your hand.

PRODIG's Used iPhone Lineup is here:
https://prodig-shop.com/collections/iphone

Color and Design Changes and How to Choose

In terms of design, both the iPhone 16 and 15 share the same basic flat-edge design with sharp corners and a glass back, but their color lineups differ.

• iPhone 16: Colors like Black, White, Pink, Teal, and Ultramarine offer a balance of calmness and individuality.
  
  

• iPhone 15: Colors like Black, Blue, Green, Yellow, and Pink are primarily bright and vibrant.
  
  

This allows for an easy general choice: "iPhone 16 for those who prefer calm, nuanced colors" and "iPhone 15 for those who like bright and cute colors."

Additionally, the iPhone 16 introduces a new Camera Control (a dedicated button acting like a shutter button), which improves the operability of photo and video capture.For those who "want to quickly snap photos with a physical button" or "often shoot in landscape orientation," this seemingly minor detail can make a difference in usability.

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Differences in Camera and Video Features | Impact on Daily Use, Travel, and Fandom Activities

The camera is one of the most crucial factors when choosing an iPhone. Both the iPhone 16 and 15 feature a 48MP (48-megapixel) main camera and an ultra-wide camera, and both have 2x equivalent zoom, but there are differences in detailed functionalities.

The iPhone 16, in particular, has updates that expand its shooting capabilities, such as support for Spatial Photo and Spatial Video, and a macro shooting function. For those who want to capture the three-dimensional feel of a travel destination or the vividness of a cherished event, this evolution can change how "memories are preserved," even affecting future viewing experiences.

On the other hand, thanks to its 48MP high-resolution sensor, the iPhone 15 can also capture sufficiently beautiful images for everyday snapshots, restaurant photos, and even nightscapes. For purposes like "uploading to social media" or "saving to a photo album app," the perceived difference might not be significant in many cases.

 

Still Image Shooting Differences | Night Scenes, Zoom, Portraits

In still image photography, the differences between the iPhone 16 and 15 are most apparent in the following aspects:

• Less noise and better shadow retention in low light
  
  

• Detail retention at 2x zoom
  
  

• Background blur and skin texture in portrait photos
  
  

The iPhone 16, equipped with the A18 chip and new image processing (ISP), tends to suppress noise and retain detail more effectively in low-light or backlit scenes, even with the same 48MP. For those who frequently shoot in dark environments like nightscapes, illuminations, or live houses, the iPhone 16 is more likely to provide the benefit of "fewer failed photos."

The iPhone 15 also delivers more than sufficient quality for typical night scene photography with features like Night mode and Smart HDR. Especially in dimly lit indoor settings like restaurants, the difference might not be significantly noticeable in many situations. If you "don't shoot in very dark places" or "don't have strong preferences for cameras," the iPhone 15 might satisfy your needs in many cases.

Video Recording, Spatial Video, and Image Stabilization

For video recording, both models are capable of high-quality 4K 60fps shooting, and cinematic modes that create a movie-like atmosphere are also available. However, the iPhone 16 supports Spatial Video, which allows viewers to enjoy a more three-dimensional viewing experience on compatible devices.

Additionally, image stabilization and microphone performance have been meticulously refined, allowing for more stable footage even when shooting vlogs while walking or recording live events. For tasks like "actively creating video content" or "preserving beautiful videos of children's events and travels," the iPhone 16 is a choice less likely to lead to regret.

On the other hand, if your video usage is light, mainly consisting of "stories for social media or short clips shot on your smartphone," the iPhone 15 offers more than satisfactory quality. For simple editing like trimming and color correction, the processing power is also sufficient.

Perceived Differences in SNS Posts and Short Videos

For social media-centric usage on platforms like X, Instagram, and TikTok, camera performance differences directly impact the experience of "how easily you can take appealing photos and videos."

The iPhone 16, with its improved AI image processing and noise reduction accuracy, makes it easier to achieve well-finished photos with a single tap. The natural way shadows are lifted and skin is rendered means that "even without spending time on editing, the results are often appealing enough."

The iPhone 15 also produces quite excellent images straight from the standard camera app, so for everyday posts and stories, you're unlikely to feel major dissatisfaction. For those who "actively edit videos and apply filters themselves," the raw image quality of both is sufficiently high.

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Battery, Heat Generation, and Network | Comfort for Gaming and Long-Term Viewing

Battery life, heat generation, and network stability significantly influence smartphone usability. Both the iPhone 16 and 15 are well-balanced in design, but for users primarily focused on video and gaming, even a "slight difference" can impact daily satisfaction.

According to official Apple figures for continuous video playback, the iPhone 16 offers up to approximately 22 hours, while the iPhone 15 offers up to approximately 20 hours, indicating that the iPhone 16 has more stamina numerically.Combined with the A18 chip's power efficiency, this will reduce situations where you're "worried if the battery will last until you get home" even when you're out all day.

Image candidate: Photo comparing someone watching a video in bed and a gaming screen.

Differences in Battery Life and Heat Generation

In actual use, many users tend to feel that the iPhone 16 has improved battery life and heat suppression during long hours of video viewing and gaming. With the new chip and OS-level optimization, you should experience "slightly milder battery drain" even when using the same apps and with the same usage patterns.

The iPhone 15 is by no means a phone with weak battery life; for general social media, calls, browsing, and music playback, it still has enough stamina to last a day with some charge remaining. If you plan to watch videos or play games for extended periods, using a portable battery alongside it should largely eliminate practical issues.

It's easy to understand it this way: "If you watch videos for about 1-2 hours a day and primarily use social media," the iPhone 15 is sufficient. "If you're out all day and fully utilize the camera, maps, videos, and games," the iPhone 16 offers more peace of mind.

Differences in Communication, such as Wi-Fi 7 Support

A significant difference in communication is the iPhone 16's Wi-Fi 7 compatibility. When combined with a compatible router and high-speed internet, it can provide stable throughput even in congested environments, which will be beneficial for cloud gaming, viewing high-bitrate videos, and downloading large apps.

The iPhone 15 supports Wi-Fi 6, which currently offers sufficiently fast and stable communication. However, "looking ahead to network evolution in the next few years, the Wi-Fi 7 compatible 16 will have an advantage in the long run."

Regarding mobile communication, both models support 5G and can be used with a wide range of options including major carriers, sub-brands, and low-cost SIMs. By reviewing your communication plan and choosing an older or used device, you can intelligently reduce your total running costs.

Usability for Gaming, Video, and Remote Work

For gaming, the iPhone 16 with its A18 chip still holds an advantage. Even for graphically intensive 3D games, it tends to offer better frame rate stability and heat suppression, reducing stress during long play sessions.

While many games run smoothly on the iPhone 15, some titles might cause "heating issues or faster battery drain when settings are maximized." For those who want to keep up with the latest game titles, the iPhone 16 will offer a more relaxed gaming experience.

For remote work and video conferencing, both models offer high-quality cameras, microphones, and speakers, making them perfectly suitable. The Wi-Fi 7 compatible iPhone 16 would further benefit from future home internet upgrades.

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Price and Cost-Performance Comparison | How to Choose New, Older, or Used iPhone 15/16

"How much will it cost?" and "Which is a better deal for the same budget?" are crucial questions for cost-conscious individuals in their 20s and 30s. Here, we will organize the cost-performance of the iPhone 16 and 15 from the perspectives of new, older, and used models.

The new price from Apple and carriers is naturally higher for the latest iPhone 16, while the iPhone 15 has become more accessible due to price reductions and campaigns following the model change. Furthermore, in the used market, the circulation of iPhone 15s has increased, allowing for detailed choices of condition, capacity, and color. In this regard, the iPhone 15 often offers more "room for picky selection."

New Price Expectations and Depreciation Trends

New pricing generally follows a tiered structure: "latest generation > one generation older > two generations older..." The iPhone 16 maintains a premium price right after launch, and even with carrier discounts for contract bundles, the total payment will be quite high.

On the other hand, the iPhone 15, now one generation older, is more likely to be subject to price cuts and campaigns from both Apple and carriers, and it will increasingly appear as "limited stock specials" at electronics retailers and online shops. Depending on the timing, it's often the case that "buying an iPhone 15 with 1-2 ranks higher capacity will be more satisfying than buying the latest iPhone 16" for the same budget.

Even if you insist on buying new, the choice often divides into "iPhone 16 for those who absolutely want the latest features" and "iPhone 15 for those who prioritize a balance of price and performance."

Understanding Used Market Prices and Choosing Capacity

In the used market, the longer a product has been released, the more units are available and the wider the selection becomes. In that regard, the iPhone 15 has a larger circulation than the iPhone 16, making it easier to find "a model with larger capacity" or "a model with a higher condition rank" for the same budget.

Here's a guide to choosing capacity:

• Photos/videos mostly in the cloud, not many apps: 128GB
  
  

• Want to keep many photos/videos on the device, many game apps: 256GB
  
  

• Don't want to worry about capacity for work documents/video editing: 512GB or more
  
  

In the used market, the price difference between 128GB and 256GB is often smaller than for new phones, making it easier to decide to "go for 256GB anyway." By filtering by capacity in PRODIG's used iPhone list, you can easily find a capacity that fits your budget and needs.

PRODIG's Used iPhone Lineup is here:
https://prodig-shop.com/collections/iphone

Tips for Safely Buying iPhone 16/15 at a Good Price with PRODIG

When considering a used iPhone 16/15, it's important to focus on three things: "condition rank," "battery status," and "warranty." By checking these carefully, even first-time used phone buyers can start with confidence.

PRODIG clearly defines its condition ranks, helping to minimize the "gap between description and actual product." Furthermore, with initial defect support and a 180-day warranty, concerns like "what if there's a problem when it arrives?" are significantly reduced.

• "As a main phone, choose a well-conditioned used iPhone 16."
  
  

• "Prioritize budget and choose a used iPhone 15, thereby getting a higher capacity or condition rank for the same money."
  
  

In this way, even with the same budget, satisfaction can vary depending on how you choose.

PRODIG's Used iPhone 16 Series Lineup is here:
https://prodig-shop.com/collections/iphone-16series

PRODIG's Used iPhone 15 Series Lineup is here:
 https://prodig-shop.com/collections/iphone-15series

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How Long Can You Use It? Lifespan and Replacement Timing for iPhone 16 and 15

"How many years can I use it if I buy it now?" is a key concern for those who prioritize cost-effectiveness. Both the iPhone 16 and 15 are current to one-generation-old models, and in terms of OS updates and security support, they are still very much in the "can be used for a long time" category.

Apple generally supports iPhones with iOS updates for about 5-7 years from launch, and then continues to provide security updates for a certain period afterward. Looking at iOS 18 and iOS 26 compatibility, support continues up to the iPhone XS generation, which suggests that the iPhone 15/16 can also expect OS updates until around 2030.

Guideline for iOS Updates and Security Support

While Apple doesn't officially state specific years, based on past examples, the following can be a good guide:

• Eligible for major iOS updates: Approximately 5-7 years from release
  
  

• Security updates: Often continues for several years thereafter
  
  

Looking at the iOS 26 compatible device list, it includes devices up to the iPhone 11 series, released in 2019, which indicates an effective support period of about 6-7 years.

Based on this trend:

• iPhone 15: Likely to receive iOS updates until around 2030
  
  

• iPhone 16: Potentially supported beyond 2031
  
  

It's a good idea to keep these estimates in mind.

Lifespan as Seen Through Battery, Storage, and Performance

The actual "usable period" depends not only on OS support but also on battery degradation, available storage, and app performance.

• Battery: Often starts to noticeably degrade after 2-3 years.
  
  

• Storage: If you store too many photos/videos on the device, it can run out of space in a few years.
  
  

• Performance: Newer chips are more advantageous for demanding games and the latest apps.
  
  

As for the battery, you can extend the lifespan by having it replaced at Apple or a local repair shop. By utilizing reliable repair services like "Smartphone Partner," which is affiliated with PRODIG, it's entirely possible to continue using your phone for 5-6 years, assuming battery replacement.

For storage, choosing the right initial capacity is crucial. If you frequently take photos and videos, opting for 256GB or more will help prevent situations where you "have no choice but to upgrade due to insufficient capacity" in a few years.

Extending Lifespan by Dividing Roles Between Main and Sub Devices

When considering lifespan, a growing trend is the "main device + sub device" setup with two phones.

• Main device: A newer generation (e.g., iPhone 16) for daily use, payments, work, and camera.
  
  

• Sub device: One or two generations older (e.g., iPhone 15, 14) used exclusively for gaming, music playback, or video viewing.
  
  

This approach helps conserve the main device's battery while enhancing overall convenience.

PRODIG offers many used iPhone models at price points that make it easy to acquire multiple devices. It's also possible to collectively introduce smartphones for business use through rental services for corporations and B2B channels.

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Checkpoints When Buying a Used iPhone 16 or 15

When choosing a used iPhone 16 or 15, it's crucial to consider three factors: "condition rank," "battery status," and "warranty." By thoroughly checking these, even first-time used phone buyers can start with confidence.

PRODIG clearly defines its condition ranks, which helps minimize the "gap between description and actual product." Furthermore, with initial defect support and a 180-day warranty, concerns like "what if there's a problem when it arrives?" are significantly reduced.

Meaning of Condition Ranks S/A/B/C and Recommended Choices

Here are the guidelines for condition ranks:

• Rank S: Brand new, unopened item
  
  

• Rank A: Very good condition. Very minor scratches or signs of use, but generally clean.
  
  

• Rank B: Good condition. Minor scratches or small dents from normal use, but no issues with operation.
  
  

• Rank C: Fair condition. Noticeable scratches or paint peeling, but no impact on functionality.
  
  

For first-time used iPhone buyers who prefer a "reasonably good appearance," choosing Rank A is recommended. It looks almost like new but comes at a reduced price, offering a good balance between the "benefits of used" and "satisfaction with appearance."

If cost-performance is a priority, Rank B is also a strong candidate. If you can tolerate minor scratches from everyday use, there's no significant difference in performance or functionality compared to new or Rank A devices, making it a very high-value option for the price.

Rank C devices, having more scratches and signs of use, tend to be even cheaper. For those using it as a secondary device or who "don't care about the exterior because they'll use a case anyway," this can be a very attractive option.

How to Check for "Peace of Mind" Factors like Battery, Red ROM, and Warranty

When buying a used smartphone, particular concerns are battery degradation and the risk of network usage restrictions (known as "Red ROM").

• Battery: Check the approximate maximum capacity and whether it has been replaced.
  
  

• Red ROM warranty: Whether there's a warranty in case network restrictions are applied.
  
  

• Natural breakdown warranty: Warranty period for issues such as not powering on or not being able to charge
  
  

PRODIG offers a long-term warranty of 180 days in addition to initial defects within 7 days of arrival, allowing for returns and exchanges for natural breakdowns. For those new to buying used, prioritizing shops that offer a warranty can help prevent issues.

It's also reassuring to check if "Red ROM" warranty is clearly stated. Understand in advance how much responsibility the shop will take regarding the risk of your network suddenly becoming unusable due to payment issues, etc.

Combine trade-ins and buybacks for smart upgrades

If you are considering upgrading to an iPhone 16 or 15, how you dispose of your current device is also an important point.

• Use carrier or electronics retailer trade-ins
  
  

• Take it to a specialized used device buyer
  
  

• Sell it privately on a flea market app
  
  

While these methods exist, in terms of "clarity of assessment" and "fewer troubles," in-store trade-ins at a specialty store are more reassuring.

PRODIG Buyback offers trade-ins for used smartphones and tablets at its Akihabara store, and also handles bulk trade-ins for corporations. For information on online assessments and mail-in trade-ins, check the latest information on the PRODIG Buyback website. If you choose to "get an assessment at the store and then use it directly for an upgrade," you can transition smoothly.

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Frequently Asked Questions (FAQ) | Q&A for when you're torn between iPhone 16 and 15

Finally, here's a summary of common questions about the "iPhone 16 15 difference" in a Q&A format. Please use it as a checklist when you want to quickly know the conclusion.

If I buy an iPhone 15 now, will it quickly become obsolete?

Answer: There's little concern about it becoming obsolete quickly, and it's safe to assume it will remain competitive until around 2030.

Considering iOS 26 compatibility and past support periods, the iPhone 15 is expected to continue receiving OS updates until at least around 2030. Furthermore, there's a high probability that security updates will be provided for a certain period after that, making it a model that can easily be considered for "5 or more years of use."

Of course, the timing for wanting to upgrade due to hardware factors like battery degradation or insufficient storage varies from person to person, but the concern of it "suddenly becoming unusable due to end of support" can be said to be unnecessary for the time being.

Rather, by adopting a cycle of "getting a more affordably priced iPhone 15 now, and then upgrading to another used one in a few years," you can manage your smartphone usage with a lower total cost without being overly focused on the latest features.

If upgrading from iPhone 13/14, which should I choose: 16 or 15?

Answer: The basic guideline is "16 if you prioritize AI + comfort" and "15 if you prioritize cost-performance."

If you're upgrading from an iPhone 13 or 14, you're likely already using it fairly comfortably, so it's important to clarify "what you want to upgrade."

• If you want to significantly improve camera, battery, and AI features → iPhone 16
  
  

• If you want to keep costs down while steadily updating performance and camera → iPhone 15
  
  

In particular, if you want to use Apple Intelligence daily or keep up with the latest OS features for several years to come, choosing the iPhone 16 will lead to fewer regrets. On the other hand, if you just want a more comfortable experience than your current model, and your gaming and video usage is moderate, you'll likely be satisfied with upgrading to an iPhone 15.

Recommended patterns by budget (~70,000 yen / around 100,000 yen / more)

Finally, here are some roughly recommended patterns by budget (specific prices vary depending on the season and stock, so this is just an idea).

• Around ~70,000 yen
  
  

• Used iPhone 15 (128GB to 256GB storage)
  
  

• Aiming for condition rank A to B offers a good balance of appearance and price.
  
  

• Around 100,000 yen
  
  

• New or good condition used iPhone 16 (128GB)
  
  

• Alternatively, aim for a higher storage capacity or higher rank in the iPhone 16 series used.
  
  

• More than that budget
  
  

• Purchase an iPhone 16 with 256GB or more storage and use it for several years.
  
  

• Add a used iPhone 14/15 as a secondary device and use two phones.
  
  

For specific stock availability and price ranges, it is recommended to always check the latest information from PRODIG's used iPhone list.

PRODIG Used iPhone List here
 https://prodig-shop.com/collections/iphone

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Conclusion

The differences between the iPhone 16 and iPhone 15 are more apparent internally, in areas like "AI features, battery, network, and future-proofing," than in their appearance.

• iPhone 16 if you prioritize the latest AI experience and long-term comfort
  
  

• iPhone 15 if you prioritize a balance of price and performance, and are smart about choosing used or previous-generation models
  
  

This is the conclusion of this article.

Whichever you choose, by incorporating ideas such as "choosing a used one with suitable condition and storage," "combining trade-ins or buybacks," and "assigning roles to a main and secondary device," you can upgrade your daily experience while keeping your total smartphone costs down.

PRODIG offers used smartphones and tablets with a 180-day warranty, and provides an environment where you can find cost-effective iPhones both at its Akihabara store and online store.

• "Prioritize cost-performance with a used iPhone 15 first"
  
  

• "Get the latest iPhone 16 smartly by buying used"
  
  

Please find the device that suits your style at PRODIG.