# Deep Tools vs GVTC Mobile

The clearest difference is in-app purchases: GVTC Mobile at none against Deep Tools's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Deep Tools sells 3 in-app purchases, starting at $2.99 per month. GVTC Mobile asks for nothing beyond the download.

Deep Tools ships an update every 6 weeks, GVTC Mobile monthly. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Deep Tools | GVTC Mobile |
| --- | --- | --- |
| 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 6 weeks | **Monthly** |
| Monetization | Freemium | — |
| Size | 12 MB | 83 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Deep Blue d.o.o.](https://appshunter.io/developer/1476093875) | [GVTC](https://appshunter.io/developer/958748199) |

## What reviewers say

### Deep Tools

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

This comprehensive dive toolkit helps recreational, advanced, and technical divers plan dives, log underwater adventures, and blend gases. It offers advanced planning tools, dive computer import, and essential calculations for safe and efficient diving.

**Highlights:** Advanced Deco Planner, Dive Log with Shearwater import, Gas Blender for Trimix/Nitrox, Maximum Operating Depth (MOD) calculator, No Decompression Limit (NDL) tracking, Metric and Imperial units

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Monthly | $2.99 | per month |
| Subscription Yearly | $17.99 | per year |
| Lifetime Subscription | $39.99 | one-time |


### GVTC Mobile

[App page](https://appshunter.io/ios/app/gvtc-mobile/id6769273187)

**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 GVTC Mobile free?

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

### Do Deep Tools or GVTC Mobile have ads?

Neither Deep Tools nor GVTC Mobile shows ads.

### Which is updated more often, Deep Tools or GVTC Mobile?

Deep Tools ships an update every 6 weeks, and GVTC Mobile monthly. Most recently, Deep Tools was updated on September 15, 2026 and GVTC Mobile on September 14, 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.*