# MyFathom vs Deep Frontier Dive Tools

The clearest difference is in-app purchases: MyFathom at none against Deep Frontier Dive Tools's 1. MyFathom also leads on iOS requirement (11.0 vs 17.0). Deep Frontier Dive Tools's advantage is update cadence (every 2 months vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. Deep Frontier Dive Tools sells 1 one-off in-app purchase. MyFathom asks for nothing beyond the download.

MyFathom ships an update every 13 months, Deep Frontier Dive Tools every 2 months. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | MyFathom | Deep Frontier Dive Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Size | 35 MB | 3 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FATHOM Dive Systems, LLC](https://appshunter.io/developer/1707099627) | [Christoph Heinrich Fischer](https://appshunter.io/developer/6787112418) |

## What reviewers say

### MyFathom

[App page](https://appshunter.io/ios/app/myfathom/id6466220916)

**In-app purchases:** none


### Deep Frontier Dive Tools

[App page](https://appshunter.io/ios/app/deep-frontier-dive-tools/id6787112416)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deep Frontier Dive Tools Pro | $12.99 | one-time |


## Frequently asked questions

### Is MyFathom free?

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

### Is Deep Frontier Dive Tools free?

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

### Do MyFathom or Deep Frontier Dive Tools have ads?

Neither MyFathom nor Deep Frontier Dive Tools shows ads.

### Which is updated more often, MyFathom or Deep Frontier Dive Tools?

MyFathom ships an update every 13 months, and Deep Frontier Dive Tools every 2 months. Most recently, MyFathom was updated on September 9, 2026 and Deep Frontier Dive Tools on September 15, 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.*