# MathCorp vs Читай

The clearest difference is in-app purchases: MathCorp at none against Читай's 3. Читай's advantage is update cadence (every 4 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Читай sells 3 in-app purchases, starting at $0.99 per 7 days. MathCorp asks for nothing beyond the download.

MathCorp ships an update every 9 days, Читай every 4 days. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | MathCorp | Читай |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 61 MB | 51 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrii Stulishenko](https://appshunter.io/developer/1837226095) | [Maksym Bezruchko](https://appshunter.io/developer/1884307829) |

## What reviewers say

### MathCorp

[App page](https://appshunter.io/ios/app/mathcorp/id6751859597)

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

**In-app purchases:** none


### Читай

[App page](https://appshunter.io/ios/app/2026/id6760406919)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Тижнева підписка | $0.99 | per 7 days |
| Місячна підписка | $1.99 | per month |
| Річна підписка | $17.99 | per year |


## Frequently asked questions

### Is MathCorp free?

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

### Is Читай free?

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

### Do MathCorp or Читай have ads?

Both MathCorp and Читай show ads.

### Which is updated more often, MathCorp or Читай?

MathCorp ships an update every 9 days, and Читай every 4 days. Most recently, MathCorp was updated on September 11, 2026 and Читай on September 21, 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.*