# LearnWhat vs Catii

The clearest difference is in-app purchases: Catii at none against LearnWhat's 2. Catii also leads on iOS requirement (15.0 vs 17.0). LearnWhat's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. LearnWhat sells 2 in-app purchases, starting at $4.99 per month. Catii asks for nothing beyond the download.

LearnWhat ships an update every 4 days, Catii every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | LearnWhat | Catii |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 17 MB | 94 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PByte Tech](https://appshunter.io/developer/1867013235) | [EUP TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1330078656) |

## What reviewers say

### LearnWhat

[App page](https://appshunter.io/ios/app/learnwhat/id6757446255)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Pro Monthly | $9.99 | per month |


### Catii

[App page](https://appshunter.io/ios/app/catii-learn-english/id6774459611)

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

**In-app purchases:** none


## Frequently asked questions

### Is LearnWhat free?

LearnWhat is free to download, with in-app purchases available.

### Is Catii free?

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

### Do LearnWhat or Catii have ads?

Neither LearnWhat nor Catii shows ads.

### Which is updated more often, LearnWhat or Catii?

LearnWhat ships an update every 4 days, and Catii every 2 weeks. Most recently, LearnWhat was updated on October 31, 2026 and Catii on October 31, 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.*