# Check vs OT360

The clearest difference is iOS requirement: Check at 13.0 against OT360'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.

Check ships an update every 6 weeks, OT360 every 3 months. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Check | OT360 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 47 MB | 35 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [R. O. E. GmbH](https://appshunter.io/developer/1379037163) | [INspares GmbH](https://appshunter.io/developer/1568724423) |

## What reviewers say

### Check

[App page](https://appshunter.io/ios/app/check-it-audit-tool/id1534128511)

**In-app purchases:** none


### OT360

[App page](https://appshunter.io/ios/app/ot360/id6736606371)

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

**In-app purchases:** none


## Frequently asked questions

### Is Check free?

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

### Is OT360 free?

OT360 is free to download, with no in-app purchases.

### Do Check or OT360 have ads?

Neither Check nor OT360 shows ads.

### Which is updated more often, Check or OT360?

Check ships an update every 6 weeks, and OT360 every 3 months. Most recently, Check was updated on October 25, 2026 and OT360 on October 6, 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.*