# Deep Tools vs DiveSync

The clearest difference is in-app purchases: DiveSync at none against Deep Tools's 3. DiveSync also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Deep Tools sells 3 in-app purchases, starting at $7.99 per month. DiveSync asks for nothing beyond the download.

Deep Tools ships an update every 2 months, DiveSync every 2 weeks. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Deep Tools | DiveSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (93 ratings)](https://appshunter.io/ios/app/deep-tools/id1476093876/reviews)** | — |
| Number of ratings | **93** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 13 MB | 39 MB |
| Requires iOS | 17.0 | **16.5** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Deep Blue d.o.o.](https://appshunter.io/developer/1476093875) | [Proasia Design Co. Ltd](https://appshunter.io/developer/1824363358) |

## What reviewers say

### Deep Tools

[App page](https://appshunter.io/ios/app/deep-tools/id1476093876)

This app is a comprehensive tool for divers, offering dive planning, logging, and gas blending. It supports recreational, technical, and rebreather diving with advanced decompression planning and dive computer integration. Plan complex dives, log your adventures, and mix gases with precision.

**Highlights:** Decompression dive planning (Bühlmann ZH-L16), Dive log with Shearwater import, Nitrox and Trimix gas blending, Multiple dive calculators, Metric and imperial unit support, Multi-level and repetitive dive planning

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Monthly | $7.99 | per month |
| Subscription Yearly | $22.99 | per year |
| Lifetime Subscription | $49.99 | one-time |


### DiveSync

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Deep Tools free?

Deep Tools is free to download, with in-app purchases available.

### Is DiveSync free?

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

### Do Deep Tools or DiveSync have ads?

Neither Deep Tools nor DiveSync shows ads.

### Which is updated more often, Deep Tools or DiveSync?

Deep Tools ships an update every 2 months, and DiveSync every 2 weeks. Most recently, Deep Tools was updated on November 11, 2026 and DiveSync on November 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.*