# 리슨90 vs Math Wizard School

The clearest difference is in-app purchases: Math Wizard School at none against 리슨90's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 리슨90 sells 1 one-off in-app purchase. Math Wizard School asks for nothing beyond the download.

리슨90 ships an update every 8 days, Math Wizard School weekly. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 리슨90 | Math Wizard School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Size | 79 MB | 42 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Effi Inc.](https://appshunter.io/developer/899435456) | [JIWON CHUNG](https://appshunter.io/developer/6815957720) |

## What reviewers say

### 리슨90

[App page](https://appshunter.io/ios/app/90-30/id6760108154)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6개월 수강권 | $799.99 | one-time |


### Math Wizard School

[App page](https://appshunter.io/ios/app/math-wizard-school-kids-math/id6816635175)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 리슨90 free?

리슨90 is free to download, with in-app purchases available.

### Is Math Wizard School free?

Math Wizard School is free to download, with no in-app purchases.

### Do 리슨90 or Math Wizard School have ads?

Neither 리슨90 nor Math Wizard School shows ads.

### Which is updated more often, 리슨90 or Math Wizard School?

리슨90 ships an update every 8 days, and Math Wizard School weekly. Most recently, 리슨90 was updated on October 5, 2026 and Math Wizard School on October 16, 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.*