# 亿刷 vs Cognify Math Realm

The clearest difference is update cadence: Cognify Math Realm at daily against 亿刷's every 2 months. On price, ads, 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.

亿刷 ships an update every 2 months, Cognify Math Realm daily. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 亿刷 | Cognify Math Realm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 62 MB | 26 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rongtong Info&Tech Co., Ltd](https://appshunter.io/developer/621877572) | [Kanihya Chopra](https://appshunter.io/developer/1792237668) |

## What reviewers say

### 亿刷

[App page](https://appshunter.io/ios/app/id6446824255)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cognify Math Realm

[App page](https://appshunter.io/ios/app/cognify-math-realm/id6742224593)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 亿刷 free?

亿刷 is free to download, with no in-app purchases.

### Is Cognify Math Realm free?

Cognify Math Realm is free to download, with no in-app purchases.

### Do 亿刷 or Cognify Math Realm have ads?

Neither 亿刷 nor Cognify Math Realm shows ads.

### Which is updated more often, 亿刷 or Cognify Math Realm?

亿刷 ships an update every 2 months, and Cognify Math Realm daily. Most recently, 亿刷 was updated on October 8, 2026 and Cognify Math Realm on October 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.*