# Active Log vs Submersion Dive Log

The clearest difference is in-app purchases: Submersion Dive Log at none against Active Log's 4. Submersion Dive Log also leads on ratings volume (12 vs 1). Active Log's advantage is review sentiment (100% vs 67%) and rating (5.0 vs 4.6). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Active Log sells 4 in-app purchases, starting at $4.99 per year. Submersion Dive Log asks for nothing beyond the download.

Active Log holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Submersion Dive Log has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Active Log's written reviews are positive against 67% of Submersion Dive Log's.

Active Log ships an update every 2 days, Submersion Dive Log every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Active Log | Submersion Dive Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/active-log/id6756741575/reviews)** | [4.6 (12 ratings)](https://appshunter.io/ios/app/submersion-dive-log/id6757456915/reviews) |
| Number of ratings | 1 | **12** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 79 MB | 162 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Duong Do](https://appshunter.io/developer/1455884076) | [Eric Griffin](https://appshunter.io/developer/1867101718) |

## What reviewers say

### Active Log

[App page](https://appshunter.io/ios/app/active-log/id6756741575)

This app serves as a comprehensive dive logbook for scuba and freediving enthusiasts. It allows users to track progress, plan dives, import data from dive computers and existing files, and store important documents. It also includes safety calculators and works offline.

**Highlights:** Dive computer data import, Log file import (SSRF, .FIT), Dive planning and profile tracking, Document and certification storage, Offline functionality, Safety calculators (MOD, EAD, ppO2), Cloud sync across devices

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Freediving module (yearly) | $4.99 | per year |
| TechDive module (yearly) | $4.99 | per year |
| Swimming module (yearly) | $4.99 | per year |
| Diving module (yearly) | $9.99 | per year |


### Submersion Dive Log

[App page](https://appshunter.io/ios/app/submersion-dive-log/id6757456915)

This app is a comprehensive, open-source dive log for recreational and technical divers. It allows users to track unlimited dives, manage gear, analyze trends, and export data. The app offers dive computer integration, advanced profile analysis, and detailed logging for various dive types and conditions.

**Highlights:** Log unlimited dives with detailed conditions, Dive computer integration, Advanced profile analysis, Technical diving support, Gear and equipment management, Dive site database with maps, Marine life tracking

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Active Log free?

Active Log is free to download, with in-app purchases available.

### Is Submersion Dive Log free?

Submersion Dive Log is free to download, with no in-app purchases.

### Which has better reviews, Active Log or Submersion Dive Log?

Active Log is rated higher. Active Log averages 5.0 out of 5 from 1 ratings, while Submersion Dive Log averages 4.6 from 12 ratings.

### Do Active Log or Submersion Dive Log have ads?

Neither Active Log nor Submersion Dive Log shows ads.

### Which is updated more often, Active Log or Submersion Dive Log?

Active Log ships an update every 2 days, and Submersion Dive Log every 5 days. Most recently, Active Log was updated on October 24, 2026 and Submersion Dive Log on October 25, 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.*