# Wallter vs Kai

The clearest difference is device support: Kai at 3 against Wallter's —. Kai also leads on iOS requirement (15.1 vs 17.0). On price 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.

## The numbers

| Metric | Wallter | Kai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Size | 2 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Cagil Durgun](https://appshunter.io/developer/1846098767) | [MUHARREM KURALAY](https://appshunter.io/developer/1798961248) |

## What reviewers say

### Wallter

[App page](https://appshunter.io/ios/app/wallter/id6760775331)

**In-app purchases:** none


### Kai

[App page](https://appshunter.io/ios/app/kai-ai-assistant-and-research/id6762122834)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wallter free?

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

### Is Kai free?

Kai 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.*