# Collins Stage Sync vs MyFathom

The clearest difference is iOS requirement: MyFathom at 11.0 against Collins Stage Sync's 15.0. On price, update cadence, 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.

Collins Stage Sync ships an update every 12 months, MyFathom every 13 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Collins Stage Sync | MyFathom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 13 months |
| Size | 7 MB | 35 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rockwell Collins, Inc.](https://appshunter.io/developer/379086069) | [FATHOM Dive Systems, LLC](https://appshunter.io/developer/1707099627) |

## What reviewers say

### Collins Stage Sync

[App page](https://appshunter.io/ios/app/collins-stage-sync/id1161812020)

**Features:** macOS Compatibility

**In-app purchases:** none


### MyFathom

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

**In-app purchases:** none


## Frequently asked questions

### Is Collins Stage Sync free?

Collins Stage Sync is free to download, with no in-app purchases.

### Is MyFathom free?

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

### Do Collins Stage Sync or MyFathom have ads?

Neither Collins Stage Sync nor MyFathom shows ads.

### Which is updated more often, Collins Stage Sync or MyFathom?

Collins Stage Sync ships an update every 12 months, and MyFathom every 13 months. Most recently, Collins Stage Sync was updated on September 10, 2026 and MyFathom on September 9, 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.*