# Diving logbook vs My Physical Evolution

The clearest difference is in-app purchases: My Physical Evolution at none against Diving logbook's 3. My Physical Evolution also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.6). Diving logbook's advantage is update cadence (every 2 months vs every 17 months). On price and ads there is nothing between them.

Both are free to download. Diving logbook sells 3 in-app purchases, starting at $1.99 per month. My Physical Evolution asks for nothing beyond the download.

Diving logbook ships an update every 2 months, My Physical Evolution every 17 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Diving logbook | My Physical Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (96 ratings)](https://appshunter.io/ios/app/diving-logbook-dive-number/id949480835/reviews)** | — |
| Number of ratings | **96** | — |
| Positive reviews | 76.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 17 months |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 22 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Denys Dykusha](https://appshunter.io/developer/930478942) | [Xeniasoft SRL](https://appshunter.io/developer/968029343) |

## What reviewers say

### Diving logbook

[App page](https://appshunter.io/ios/app/diving-logbook-dive-number/id949480835)

Easily record your scuba dives with an unlimited logbook. Track dive sites, conditions, equipment, and personal notes. Connect with dive partners and view comprehensive statistics.

**Highlights:** Unlimited dive entries, Extensive dive site database, Detailed dive condition logging, Equipment and gas tracking, Dive partner confirmation, Comprehensive dive statistics, User-added dive sites

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| support DiveNumber every month | $1.99 | per month |
| support DiveNumber every year | $1.99 | per year |
| support Dive Number one time | $4.99 | one-time |


### My Physical Evolution

[App page](https://appshunter.io/ios/app/my-physical-evolution/id1530936921)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diving logbook free?

Diving logbook is free to download, with in-app purchases available.

### Is My Physical Evolution free?

My Physical Evolution is free to download, with no in-app purchases.

### Do Diving logbook or My Physical Evolution have ads?

Neither Diving logbook nor My Physical Evolution shows ads.

### Which is updated more often, Diving logbook or My Physical Evolution?

Diving logbook ships an update every 2 months, and My Physical Evolution every 17 months. Most recently, Diving logbook was updated on October 24, 2026 and My Physical Evolution on October 16, 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.*