# Subsurface vs Dyver

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.

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.

## The numbers

| Metric | Subsurface | Dyver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (48 ratings)](https://appshunter.io/ios/app/subsurface-mobile/id1093217161/reviews) | **[5.0 (110 ratings)](https://appshunter.io/ios/app/dyver-dive-log-share/id6445999184/reviews)** |
| Number of ratings | 48 | **110** |
| Positive reviews | 63.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 52 MB | 68 MB |
| Requires iOS | 17 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Dirk Hohndel](https://appshunter.io/developer/1093217160) | [Kathleen McGraw](https://appshunter.io/developer/1675373640) |

## What reviewers say

### Subsurface

[App page](https://appshunter.io/ios/app/subsurface-mobile/id1093217161)

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.

**Highlights:** Mobile dive log management, Edit dive data, Download from Bluetooth LE dive computers, Optional cloud synchronization, Open-source and free

**In-app purchases:** none


### Dyver

[App page](https://appshunter.io/ios/app/dyver-dive-log-share/id6445999184)

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.

**Highlights:** Detailed dive log creation, Record dive data (depth, time), Social platform for sharing dives, Connect with global dive community, Track personal dive statistics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subsurface free?

Subsurface is free to download, with no in-app purchases.

### Is Dyver free?

Dyver is free to download, with no in-app purchases.

### Which has better reviews, Subsurface or Dyver?

Dyver is rated higher. Subsurface averages 4.5 out of 5 from 48 ratings, while Dyver averages 5.0 from 110 ratings.

### Do Subsurface or Dyver have ads?

Dyver shows ads; Subsurface does not.

### Which is updated more often, Subsurface or Dyver?

Subsurface ships an update every 2 months, and Dyver every 3 weeks. Most recently, Subsurface was updated on September 18, 2026 and Dyver on June 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*