# DiveSync vs Ratio Divelogger

The clearest difference is update cadence: DiveSync at every 2 weeks against Ratio Divelogger's every 9 months. Ratio Divelogger's advantage is device support (3 vs 1) and iOS requirement (14.2 vs 16.5). On price, ads and in-app purchases there is nothing between them.

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

DiveSync ships an update every 2 weeks, Ratio Divelogger every 9 months. The most recent releases landed on September 20, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | DiveSync | Ratio Divelogger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Size | 39 MB | 90 MB |
| Requires iOS | 16.5 | **14.2** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Proasia Design Co. Ltd](https://appshunter.io/developer/1824363358) | [Jiri Prajz](https://appshunter.io/developer/1857249962) |

## What reviewers say

### DiveSync

[App page](https://appshunter.io/ios/app/divesync/id6748107764)

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

**In-app purchases:** none


### Ratio Divelogger

[App page](https://appshunter.io/ios/app/ratio-divelogger/id6755915911)

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

**In-app purchases:** none


## Frequently asked questions

### Is DiveSync free?

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

### Is Ratio Divelogger free?

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

### Do DiveSync or Ratio Divelogger have ads?

Neither DiveSync nor Ratio Divelogger shows ads.

### Which is updated more often, DiveSync or Ratio Divelogger?

DiveSync ships an update every 2 weeks, and Ratio Divelogger every 9 months. Most recently, DiveSync was updated on September 20, 2026 and Ratio Divelogger on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*