# Diveplanner Tec & Rec vs Simple Nitrox

The clearest difference is update cadence: Diveplanner Tec & Rec at every 3 months against Simple Nitrox's every 29 months. Diveplanner Tec & Rec also leads on device support (4 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Diveplanner Tec & Rec sells 3 one-off in-app purchases and Simple Nitrox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Diveplanner Tec & Rec ships an update every 3 months, Simple Nitrox every 29 months. The most recent releases landed on August 19, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Diveplanner Tec & Rec | Simple Nitrox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (7 ratings)](https://appshunter.io/ios/app/diveplanner-tec-and-rec/id1506985833/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 29 months |
| Monetization | Free | — |
| Size | 37 MB | 2 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sensetrails LLC](https://appshunter.io/developer/806088250) | [Simon Chivers](https://appshunter.io/developer/1698955737) |

## 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 |


### Simple Nitrox

[App page](https://appshunter.io/ios/app/simple-nitrox/id6463395880)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Nitrox Full Access | $0.99 | one-time |


## Frequently asked questions

### Is Diveplanner Tec & Rec free?

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

### Is Simple Nitrox free?

Simple Nitrox is free to download, with in-app purchases available.

### Do Diveplanner Tec & Rec or Simple Nitrox have ads?

Neither Diveplanner Tec & Rec nor Simple Nitrox shows ads.

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

Diveplanner Tec & Rec ships an update every 3 months, and Simple Nitrox every 29 months. Most recently, Diveplanner Tec & Rec was updated on August 19, 2026 and Simple Nitrox on September 12, 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.*