# Clean vs OS1

The clearest difference is update cadence: Clean at every 3 weeks against OS1's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Clean ships an update every 3 weeks, OS1 every 8 months. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Clean | OS1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Size | 83 MB | 62 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BD BROTHERS CLEANING PTY LTD](https://appshunter.io/developer/1686872480) | [Pegasus Building Services Company, Inc](https://appshunter.io/developer/1565512037) |

## What reviewers say

### Clean

[App page](https://appshunter.io/ios/app/clean-check/id6448906753)

**Features:** macOS Compatibility

**In-app purchases:** none


### OS1

[App page](https://appshunter.io/ios/app/os1/id6450308066)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clean free?

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

### Is OS1 free?

OS1 is free to download, with no in-app purchases.

### Do Clean or OS1 have ads?

Neither Clean nor OS1 shows ads.

### Which is updated more often, Clean or OS1?

Clean ships an update every 3 weeks, and OS1 every 8 months. Most recently, Clean was updated on October 12, 2026 and OS1 on October 1, 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.*