# KU vs WIT X

The clearest difference is ads: KU at none against WIT X's shown. KU also leads on iOS requirement (11.0 vs 18.0). WIT X's advantage is update cadence (every 4 days vs every 3 months). On price, 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.

KU ships an update every 3 months, WIT X every 4 days. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | KU | WIT X |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 26 MB | 79 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kasetsart University](https://appshunter.io/developer/1350631517) | [Thanathip Singkaew](https://appshunter.io/developer/1780712480) |

## What reviewers say

### KU

[App page](https://appshunter.io/ios/app/ku-ru/id1538123448)

**Features:** macOS Compatibility

**In-app purchases:** none


### WIT X

[App page](https://appshunter.io/ios/app/wit-x/id6752669615)

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

**In-app purchases:** none


## Frequently asked questions

### Is KU free?

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

### Is WIT X free?

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

### Do KU or WIT X have ads?

WIT X shows ads; KU does not.

### Which is updated more often, KU or WIT X?

KU ships an update every 3 months, and WIT X every 4 days. Most recently, KU was updated on October 27, 2026 and WIT X on November 5, 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.*