Subsurface vs Dyver
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subsurface
This application allows divers to manage their dive logs on their mobile devices. It supports editing dive data and downloading new information from compatible dive computers. Optional cloud synchronization is available for seamless data transfer with desktop versions.
- Mobile dive log management
- Edit dive data
- Download from Bluetooth LE dive computers
- Optional cloud synchronization
- Open-source and free
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Subsurface-mobile is an iOS dive log application based on Subsurface, the best free open source dive log application available on Windows, Mac and Linux. Subsurface-mobile allows you to access your dive log on your tablet or phone, edit the data and even download new dive information from many Bluetooth LE enabled dive computers. Using a free Subsurface Cloud Storage account you can synchronize your dive data with the Subsurface desktop application (while significantly increasing the usefulness, the cloud account is not required to use Subsurface-mobile). To get support from the developers, please use the in-app menu entry "Ask for support" Please check out the Subsurface-mobile user manual: https://subsurface-divelog.org/documentation/subsurface-mobile-v3-user-manual (also available from within the app) Subsurface-mobile is free and open source. No ads, no commercial anything. And it comes with free cloud storage (if you decide to use that - it's optional). Your data aren't used for anything, nothing gets monetized.
Dyver
Easily track and record your underwater adventures with detailed digital dive logs. This app simplifies dive data management, making it fun and safe for enthusiasts of all levels. Connect with a global community of divers and share your experiences.
- Detailed dive log creation
- Record dive data (depth, time)
- Social platform for sharing dives
- Connect with global dive community
- Track personal dive statistics
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The dive world is often overcomplicated and can be scary to newcomers. Dyver is the opposite of that. We bring focus back toward the things that make diving fun, and it’s our goal to make it easy to track and record all the data you need to stay safe while you are on your underwater adventures. Community – Diving brings enthusiasts together from all around the world. Dyver is the place where we can all come together regardless of where we currently are around our passion for diving. Dive Logs – Dyver helps you create detailed data logs so you can make the most of your experiences with detailed, digital documentation. Data – Want to know what the total time you’ve spent diving is? How about how deep you went into that shipwreck last year? Dyver records all your diving data so you have lasting memories. Sharing – Dyver is also a social platform. It allows you to share your epic adventures with your other dive buddies and keep up with their latest dives as well. Whether you’re just getting certified or you’re a master diver with hundreds of technical dives under your weightbelt, you belong on Dyver. So come on and dive in. The water’s great!
Screenshots
Verdict
The clearest difference is review sentiment: Dyver at 100% against Subsurface's 63%. Dyver also leads on rating (5.0 vs 4.5) and update cadence (every 3 weeks vs every 2 months). Subsurface's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Dyver holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 48 and 110 respectively. Written reviews point the same way: 63% of Subsurface's written reviews are positive against 100% of Dyver's.
Subsurface ships an update every 2 months, Dyver every 3 weeks. The most recent releases landed on September 18, 2026 and June 10, 2026 respectively.
| Parameter | Subsurface | Dyver |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (48 ratings) | 5.0 (110 ratings) — better |
| Positive reviews | 63.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 48 | 110 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17 | 16.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 68 MB |
| Age rating | 4+ | 17+ |
| Developer | Dirk Hohndel | Kathleen McGraw |
Customer experience
Subsurface
Dyver
In-app purchases
Subsurface
No in-app purchases
Dyver
No in-app purchases
