# Diving Log vs Coazio

The clearest difference is update cadence: Coazio at monthly against Diving Log's every 9 months. Coazio also leads on iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Diving Log ships an update every 9 months, Coazio monthly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Diving Log | Coazio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (4 ratings)](https://appshunter.io/ios/app/diving-log/id1091064630/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Free | — |
| Size | 22 MB | 51 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TABATA CO.,LTD.](https://appshunter.io/developer/1091064629) | [Elia Thomas](https://appshunter.io/developer/1883820404) |

## What reviewers say

### Diving Log

[App page](https://appshunter.io/ios/app/diving-log/id1091064630)

This app serves as a customizable digital logbook for scuba divers. It allows users to record detailed dive information, including depth, time, location, and environmental conditions. Users can also add photos, instructor signatures, and export logs for social sharing.

**Highlights:** Customizable dive logbook, Record dive details (depth, time, temp), Map dive point locations, Add photos and instructor signatures, Export logs to social media, Graph display of depth intervals

**Features:** macOS Compatibility

**In-app purchases:** none


### Coazio

[App page](https://appshunter.io/ios/app/coazio/id6792903807)

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

**In-app purchases:** none


## Frequently asked questions

### Is Diving Log free?

Diving Log is free to download, with no in-app purchases.

### Is Coazio free?

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

### Do Diving Log or Coazio have ads?

Neither Diving Log nor Coazio shows ads.

### Which is updated more often, Diving Log or Coazio?

Diving Log ships an update every 9 months, and Coazio monthly. Most recently, Diving Log was updated on November 2, 2026 and Coazio on October 31, 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.*