# Dive Plan vs Turn Pressure

The clearest difference is rating: Turn Pressure at 5.0 against Dive Plan's 1.8. Turn Pressure also leads on in-app purchases (none vs 4) and update cadence (every 2 days vs monthly). Dive Plan's advantage is ratings volume (8 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dive Plan sells 4 in-app purchases, starting at $2.99 per month. Turn Pressure asks for nothing beyond the download.

Turn Pressure holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: Dive Plan has 8 ratings behind it against 1, so its average is the more settled of the two.

Dive Plan ships an update monthly, Turn Pressure every 2 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Dive Plan | Turn Pressure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (8 ratings)](https://appshunter.io/ios/app/dive-plan/id496279549/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/turn-pressure-dive-planner/id6801749776/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 36.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AXIS Productions](https://appshunter.io/developer/472646203) | [RUSTAM ISMAILOV](https://appshunter.io/developer/6799582362) |

## What reviewers say

### Dive Plan

[App page](https://appshunter.io/ios/app/dive-plan/id496279549)

This app serves as a digital decompression table and logbook for divers. It helps calculate non-stop dive times and log dives, compatible with major diving organizations' tables. It supports both air and enriched air (nitrox) tanks.

**Highlights:** Digital decompression tables, Dive logbook, Compatibility with major diving organizations, Supports air and nitrox tanks, Practice for dive certification exams, General dive planning guide

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dive Plan Pro - Monthly | $2.99 | per month |
| Dive Plan Pro - Annual | $17.99 | per year |
| Nitrox EANX Mode | $2.99 | one-time |
| Dive Plan Pro Lifetime | $69.99 | 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 Dive Plan free?

Dive Plan 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, Dive Plan or Turn Pressure?

Turn Pressure is rated higher. Dive Plan averages 1.8 out of 5 from 8 ratings, while Turn Pressure averages 5.0 from 1 ratings.

### Do Dive Plan or Turn Pressure have ads?

Neither Dive Plan nor Turn Pressure shows ads.

### Which is updated more often, Dive Plan or Turn Pressure?

Dive Plan ships an update monthly, and Turn Pressure every 2 days. Most recently, Dive Plan was updated on October 15, 2026 and Turn Pressure on October 8, 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.*