# Abysner vs DiveHub

The clearest difference is price: DiveHub at Free against Abysner's $2.99. DiveHub also leads on update cadence (every 8 days vs every 2 months). Abysner's advantage is iOS requirement (15.3 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

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

Abysner ships an update every 2 months, DiveHub every 8 days. The most recent releases landed on September 18, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Abysner | DiveHub |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/abysner/id6636477320/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 42 MB | 10 MB |
| Requires iOS | **15.3** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roelof Rene Smit](https://appshunter.io/developer/1762786000) | [XIN LI](https://appshunter.io/developer/1634165366) |

## 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


### DiveHub

[App page](https://appshunter.io/ios/app/divehub-multi-dive-tool/id6756101582)

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

**In-app purchases:** none


## Frequently asked questions

### Is Abysner free?

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

### Is DiveHub free?

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

### Do Abysner or DiveHub have ads?

Neither Abysner nor DiveHub shows ads.

### Which is updated more often, Abysner or DiveHub?

Abysner ships an update every 2 months, and DiveHub every 8 days. Most recently, Abysner was updated on September 18, 2026 and DiveHub on September 15, 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.*