# RDN+ vs AI Tkwun

The clearest difference is device support: AI Tkwun at 3 against RDN+'s —. On price, in-app purchases and iOS requirement 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 | RDN+ | AI Tkwun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 4 months |
| Size | 46 MB | 69 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Suzhou Radiant Photovoltaic Technology Co., Ltd](https://appshunter.io/developer/1630691682) | [SHENZHEN KWUNPHI ROBOT CO., LTD.](https://appshunter.io/developer/1616848455) |

## What reviewers say

### RDN+

[App page](https://appshunter.io/ios/app/rdn-plus/id6446070434)

**In-app purchases:** none


### AI Tkwun

[App page](https://appshunter.io/ios/app/ai-tkwun/id6748251693)

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

**In-app purchases:** none


## Frequently asked questions

### Is RDN+ free?

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

### Is AI Tkwun free?

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

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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.*