# Reading World 2 vs KooTreeni

The clearest difference is price: KooTreeni at Free against Reading World 2's $4.99. Reading World 2's advantage is iOS requirement (7.1 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

KooTreeni is free to download; Reading World 2 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Reading World 2 | KooTreeni |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 131 MB | 166 MB |
| Requires iOS | **7.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leripa AB](https://appshunter.io/developer/454449587) | [ArraTreeni Oy](https://appshunter.io/developer/1345435068) |

## What reviewers say

### Reading World 2

[App page](https://appshunter.io/ios/app/reading-world-2/id944226866)

**Features:** macOS Compatibility

**In-app purchases:** none


### KooTreeni

[App page](https://appshunter.io/ios/app/kootreeni/id1541385532)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reading World 2 free?

Reading World 2 costs $4.99, with no in-app purchases.

### Is KooTreeni free?

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

### Do Reading World 2 or KooTreeni have ads?

Neither Reading World 2 nor KooTreeni shows ads.

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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.*