# Dive Log vs Subsurface

The clearest difference is price: Subsurface at Free against Dive Log's $14.99. Subsurface also leads on in-app purchases (none vs 13). Dive Log's advantage is review sentiment (84% vs 63%) and rating (4.7 vs 4.5). On ratings volume, ads and device support there is nothing between them.

Subsurface is free to download; Dive Log costs $14.99 up front. Dive Log sells 11 one-off in-app purchases. Subsurface asks for nothing beyond the download.

Dive Log holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 106 and 48 respectively. Written reviews point the same way: 84% of Dive Log's written reviews are positive against 63% of Subsurface's.

Dive Log ships an update monthly, Subsurface every 2 months. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Dive Log | Subsurface |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.7 (106 ratings)](https://appshunter.io/ios/app/dive-log/id301049600/reviews)** | [4.5 (48 ratings)](https://appshunter.io/ios/app/subsurface-mobile/id1093217161/reviews) |
| Number of ratings | **106** | 48 |
| Positive reviews | **83.7% of reviews** | 63.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#148** | — |
| Size | 33 MB | 52 MB |
| Requires iOS | **14.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [Dirk Hohndel](https://appshunter.io/developer/1093217160) |

## What reviewers say

### Dive Log

[App page](https://appshunter.io/ios/app/dive-log/id301049600)

**Currently charting:** #148 Top Paid · Sports (US App Store)

Log your SCUBA dives with detailed information, including GPS coordinates and dive buddy details. Supports metric and imperial units, and integrates with desktop software for comprehensive dive history management.

**Highlights:** SCUBA diving logbook, GPS coordinate capture, Dive buddy integration, Dive data and statistics, Metric and Imperial units, Dive computer data import, Bluetooth LE transfer

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suunto Bluetooth Download | $2.99 | one-time |
| Mares Bluetooth Download | $2.99 | one-time |
| Crest Bluetooth Download | $2.99 | one-time |
| Shearwater Download | $2.99 | one-time |
| bluebuddy Download | $2.99 | one-time |
| SCUBAPRO Download | $2.99 | one-time |
| Pelagic Bluetooth Download | $2.99 | one-time |
| Cressi Bluetooth Download | $2.99 | one-time |
| Ratio Bluetooth Download | $2.99 | one-time |
| Halcyon Bluetooth Download | $2.99 | one-time |
| DCbuddy Support | $4.99 | one-time |


### 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


## Frequently asked questions

### Is Dive Log free?

Dive Log costs $14.99, and also offers in-app purchases.

### Is Subsurface free?

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

### Which has better reviews, Dive Log or Subsurface?

Dive Log is rated higher. Dive Log averages 4.7 out of 5 from 106 ratings, while Subsurface averages 4.5 from 48 ratings.

### Do Dive Log or Subsurface have ads?

Neither Dive Log nor Subsurface shows ads.

### Which is updated more often, Dive Log or Subsurface?

Dive Log ships an update monthly, and Subsurface every 2 months. Most recently, Dive Log was updated on September 23, 2026 and Subsurface on September 18, 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.*