# Diveplanner Tec & Rec vs Abysner

The clearest difference is review sentiment: Abysner at 100% against Diveplanner Tec & Rec's 20%. Abysner also leads on rating (5.0 vs 3.1) and in-app purchases (none vs 3). Diveplanner Tec & Rec's advantage is price (Free vs $2.99) and ratings volume (7 vs 2). On update cadence, ads and device support there is nothing between them.

Diveplanner Tec & Rec is free to download; Abysner costs $2.99 up front. Diveplanner Tec & Rec sells 3 one-off in-app purchases. Abysner asks for nothing beyond the download.

Abysner holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 20% of Diveplanner Tec & Rec's written reviews are positive against 100% of Abysner's.

Diveplanner Tec & Rec ships an update every 3 months, Abysner every 2 months. The most recent releases landed on August 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Diveplanner Tec & Rec | Abysner |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [3.1 (7 ratings)](https://appshunter.io/ios/app/diveplanner-tec-and-rec/id1506985833/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/abysner/id6636477320/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 37 MB | 42 MB |
| Requires iOS | **13.0** | 15.3 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sensetrails LLC](https://appshunter.io/developer/806088250) | [Roelof Rene Smit](https://appshunter.io/developer/1762786000) |

## What reviewers say

### Diveplanner Tec & Rec

[App page](https://appshunter.io/ios/app/diveplanner-tec-and-rec/id1506985833)

Plan technical and recreational scuba dives with detailed gas management, decompression schedules, and contingency planning. This tool helps divers quickly create and share dive plans for various depths and conditions.

**Highlights:** Technical and recreational dive planning, Multi-gas and CCR dive schedules, Bühlmann decompression model (ZH16L-C), Automatic contingency plans, Gas requirement and weight calculation, Dive table generation, Metric and Imperial units

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Two weeks free trial | Free | one-time |
| Tec Basic | $7.99 | one-time |
| Tec Advanced | $19.99 | one-time |


### 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


## Frequently asked questions

### Is Diveplanner Tec & Rec free?

Diveplanner Tec & Rec is free to download, with in-app purchases available.

### Is Abysner free?

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

### Which has better reviews, Diveplanner Tec & Rec or Abysner?

Abysner is rated higher. Diveplanner Tec & Rec averages 3.1 out of 5 from 7 ratings, while Abysner averages 5.0 from 2 ratings.

### Do Diveplanner Tec & Rec or Abysner have ads?

Neither Diveplanner Tec & Rec nor Abysner shows ads.

### Which is updated more often, Diveplanner Tec & Rec or Abysner?

Diveplanner Tec & Rec ships an update every 3 months, and Abysner every 2 months. Most recently, Diveplanner Tec & Rec was updated on August 19, 2026 and Abysner 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.*