# Check vs Marathon Engage

The clearest difference is device support: Check at 3 against Marathon Engage's 1. Check also leads on iOS requirement (15.5 vs 17.6). 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.

Check ships an update every 4 months, Marathon Engage every 3 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | Check | Marathon Engage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 38 MB | 5 MB |
| Requires iOS | **15.5** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [aanmelder.nl](https://appshunter.io/developer/1253044571) | [Kalin Setterberg Data AB](https://appshunter.io/developer/489511482) |

## What reviewers say

### Check

[App page](https://appshunter.io/ios/app/check-in-mobile/id6670442579)

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

**In-app purchases:** none


### Marathon Engage

[App page](https://appshunter.io/ios/app/marathon-engage/id6737267585)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Check free?

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

### Is Marathon Engage free?

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

### Do Check or Marathon Engage have ads?

Neither Check nor Marathon Engage shows ads.

### Which is updated more often, Check or Marathon Engage?

Check ships an update every 4 months, and Marathon Engage every 3 months. Most recently, Check was updated on October 27, 2026 and Marathon Engage on October 27, 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.*