# Abysner vs CCRtools

The clearest difference is price: CCRtools at Free against Abysner's $2.99. CCRtools also leads on update cadence (fortnightly vs every 2 months). Abysner's advantage is chart position (#184 vs unranked) and iOS requirement (15.3 vs 18.2). On ads, in-app purchases and device support there is nothing between them.

CCRtools 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, CCRtools fortnightly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Abysner | CCRtools |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Paid | — |
| Best chart rank | **#184** | — |
| Size | 42 MB | 1 MB |
| Requires iOS | **15.3** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roelof Rene Smit](https://appshunter.io/developer/1762786000) | [Kai-Uwe Sattler](https://appshunter.io/developer/500229044) |

## What reviewers say

### Abysner

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

**Currently charting:** #184 Top Paid · Sports (US App Store)

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


### CCRtools

[App page](https://appshunter.io/ios/app/ccrtools/id6745844453)

**In-app purchases:** none


## Frequently asked questions

### Is Abysner free?

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

### Is CCRtools free?

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

### Do Abysner or CCRtools have ads?

Neither Abysner nor CCRtools shows ads.

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

Abysner ships an update every 2 months, and CCRtools fortnightly. Most recently, Abysner was updated on October 27, 2026 and CCRtools on October 28, 2026.

---

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