# Ktha vs ريكس | Rex

The clearest difference is iOS requirement: Ktha at 14.0 against ريكس | Rex's 16.0. 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.

Ktha ships an update every 2 weeks, ريكس | Rex every 3 weeks. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Ktha | ريكس | Rex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 91 MB | 80 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Establishment AL-USTALAM MURAYEH For Information Technology](https://appshunter.io/developer/1761831003) | [MaxSys](https://appshunter.io/developer/1331486528) |

## What reviewers say

### Ktha

[App page](https://appshunter.io/ios/app/ktha/id6670529315)

**Features:** macOS Compatibility

**In-app purchases:** none


### ريكس | Rex

[App page](https://appshunter.io/ios/app/rex/id6757087827)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ktha free?

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

### Is ريكس | Rex free?

ريكس | Rex is free to download, with no in-app purchases.

### Do Ktha or ريكس | Rex have ads?

Neither Ktha nor ريكس | Rex shows ads.

### Which is updated more often, Ktha or ريكس | Rex?

Ktha ships an update every 2 weeks, and ريكس | Rex every 3 weeks. Most recently, Ktha was updated on September 17, 2026 and ريكس | Rex on September 10, 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.*