# Abysner vs Submersion Dive Log

The clearest difference is price: Submersion Dive Log at Free against Abysner's $2.99. Submersion Dive Log also leads on update cadence (every 4 days vs every 2 months) and ratings volume (10 vs 2). Abysner's advantage is review sentiment (100% vs 60%) and rating (5.0 vs 4.5). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Submersion Dive Log is free to download; Abysner costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Abysner holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Submersion Dive Log has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Abysner's written reviews are positive against 60% of Submersion Dive Log's.

Abysner ships an update every 2 months, Submersion Dive Log every 4 days. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Abysner | Submersion Dive Log |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/abysner/id6636477320/reviews)** | [4.5 (10 ratings)](https://appshunter.io/ios/app/submersion-dive-log/id6757456915/reviews) |
| Number of ratings | 2 | **10** |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 42 MB | 155 MB |
| Requires iOS | 15.3 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Roelof Rene Smit](https://appshunter.io/developer/1762786000) | [Eric Griffin](https://appshunter.io/developer/1867101718) |

## What reviewers say

### Abysner

[App page](https://appshunter.io/ios/app/abysner/id6636477320)

This app is an open-source dive planning tool designed for simplicity and ease of use. It supports various gas mixes and decompression models, allowing for accurate planning of technical and recreational dives. Its intuitive interface makes it suitable for use even in challenging conditions.

**Highlights:** Buhlmann ZHL-16 A, B, C models, Multi-gas support (Air, Nitrox, Trimix, etc.), OTU and CNS tracking, Customizable environmental settings, Intuitive gas picker, Automatic contingency plans, Multi-level dive planning

**In-app purchases:** none


### 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 Abysner free?

Abysner costs $2.99, with no in-app purchases.

### Is Submersion Dive Log free?

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

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

Abysner is rated higher. Abysner averages 5.0 out of 5 from 2 ratings, while Submersion Dive Log averages 4.5 from 10 ratings.

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

Neither Abysner nor Submersion Dive Log shows ads.

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

Abysner ships an update every 2 months, and Submersion Dive Log every 4 days. Most recently, Abysner was updated on September 18, 2026 and Submersion Dive Log on September 22, 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.*