# chring vs Otoadd Control

The clearest difference is iOS requirement: Otoadd Control at 15.1 against chring's 17.2. 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.

## The numbers

| Metric | chring | Otoadd Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 1 MB | 42 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cheng chan Chiang](https://appshunter.io/developer/1215602935) | [RelaJet Tech (Taiwan) Co., Ltd.](https://appshunter.io/developer/1492983723) |

## What reviewers say

### chring

[App page](https://appshunter.io/ios/app/chring/id6476542591)

**Features:** macOS Compatibility

**In-app purchases:** none


### Otoadd Control

[App page](https://appshunter.io/ios/app/otoadd-control/id6714463154)

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

**In-app purchases:** none


## Frequently asked questions

### Is chring free?

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

### Is Otoadd Control free?

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

### Do chring or Otoadd Control have ads?

Neither chring nor Otoadd Control shows ads.

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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.*