# Diveplanner Tec & Rec vs Turn Pressure

The clearest difference is rating: Turn Pressure at 5.0 against Diveplanner Tec & Rec's 3.1. Turn Pressure also leads on in-app purchases (none vs 3) and update cadence (every 4 days vs every 2 months). Diveplanner Tec & Rec's advantage is ratings volume (7 vs 1) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Diveplanner Tec & Rec sells 3 one-off in-app purchases. Turn Pressure asks for nothing beyond the download.

Turn Pressure holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Diveplanner Tec & Rec has 7 ratings behind it against 1, so its average is the more settled of the two.

Diveplanner Tec & Rec ships an update every 2 months, Turn Pressure every 4 days. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Diveplanner Tec & Rec | Turn Pressure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (7 ratings)](https://appshunter.io/ios/app/diveplanner-tec-and-rec/id1506985833/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/turn-pressure-dive-planner/id6801749776/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Freemium | **Free** |
| Size | 96 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sensetrails LLC](https://appshunter.io/developer/806088250) | [RUSTAM ISMAILOV](https://appshunter.io/developer/6799582362) |

## What reviewers say

### Diveplanner Tec & Rec

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

Plan complex recreational and technical dives with advanced decompression models and multi-gas support. Log your dives, manage gas blends, and restore underwater photo colors. Syncs across Apple devices.

**Highlights:** Bühlmann ZH-L16C and Thalmann decompression models, Open circuit and CCR dive planning, Multi-gas decompression support, Contingency plan computation, Gas blending and cylinder management, Underwater photo color correction, Bluetooth dive computer data import

**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 |


### Turn Pressure

[App page](https://appshunter.io/ios/app/turn-pressure-dive-planner/id6801749776)

This app calculates dive turn pressure, minimum gas reserves, and bottom times for recreational divers. It provides dynamic planning based on specific dive parameters, cylinder size, and gas mixes, offering detailed ascent profiles and tracking personal gas consumption rates.

**Highlights:** Dynamic turn pressure calculation, Minimum gas reserve for two divers, Bottom time limit based on gas or NDL, Repeat dive planning with surface interval, Detailed ascent profiles, Personal SAC rate tracking, Metric and imperial unit support

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

**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 Turn Pressure free?

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

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

Turn Pressure is rated higher. Diveplanner Tec & Rec averages 3.1 out of 5 from 7 ratings, while Turn Pressure averages 5.0 from 1 ratings.

### Do Diveplanner Tec & Rec or Turn Pressure have ads?

Neither Diveplanner Tec & Rec nor Turn Pressure shows ads.

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

Diveplanner Tec & Rec ships an update every 2 months, and Turn Pressure every 4 days. Most recently, Diveplanner Tec & Rec was updated on November 3, 2026 and Turn Pressure on October 29, 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.*