# Nitrox Helper vs Diveplanner Tec & Rec

The clearest difference is update cadence: Diveplanner Tec & Rec at every 3 months against Nitrox Helper's every 9 months. Diveplanner Tec & Rec also leads on device support (4 vs 2) and iOS requirement (13.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Nitrox Helper sells 4 in-app purchases, starting at $0.99 per month and Diveplanner Tec & Rec sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Nitrox Helper ships an update every 9 months, Diveplanner Tec & Rec every 3 months. The most recent releases landed on September 15, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Nitrox Helper | Diveplanner Tec & Rec |
| --- | --- | --- |
| 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 9 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 7 MB | 37 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Robert O'Connell](https://appshunter.io/developer/1451300849) | [Sensetrails LLC](https://appshunter.io/developer/806088250) |

## What reviewers say

### Nitrox Helper

[App page](https://appshunter.io/ios/app/nitrox-helper/id1451300850)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro 6 Monthly | $5.99 | per 6 months |
| Pro Annual | $9.99 | per year |
| Pro Lifetime | $49.99 | one-time |


### 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 |


## Frequently asked questions

### Is Nitrox Helper free?

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

### Is Diveplanner Tec & Rec free?

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

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

Neither Nitrox Helper nor Diveplanner Tec & Rec shows ads.

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

Nitrox Helper ships an update every 9 months, and Diveplanner Tec & Rec every 3 months. Most recently, Nitrox Helper was updated on September 15, 2026 and Diveplanner Tec & Rec on August 19, 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.*