# RSiAJP Lite vs Kitt

The clearest difference is device support: RSiAJP Lite at 4 against Kitt's 2. RSiAJP Lite also leads on iOS requirement (14.0 vs 17.0). 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | RSiAJP Lite | Kitt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 33 MB | 56 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Grenat](https://appshunter.io/developer/1234725484) | [Kitt Technology Ltd](https://appshunter.io/developer/1445734929) |

## What reviewers say

### RSiAJP Lite

[App page](https://appshunter.io/ios/app/rsiajp-lite/id1240448529)

**Features:** Vision Pro support

**In-app purchases:** none


### Kitt

[App page](https://appshunter.io/ios/app/kitt/id1445734930)

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

**In-app purchases:** none


## Frequently asked questions

### Is RSiAJP Lite free?

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

### Is Kitt free?

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

### Do RSiAJP Lite or Kitt have ads?

Neither RSiAJP Lite nor Kitt shows ads.

### Which is updated more often, RSiAJP Lite or Kitt?

RSiAJP Lite ships an update every 2 months, and Kitt every 2 months. Most recently, RSiAJP Lite was updated on October 23, 2026 and Kitt on October 20, 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.*