# 极限挑战 vs BrainBay

The clearest difference is device support: BrainBay at 3 against 极限挑战's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 极限挑战 | BrainBay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brainbay-brain-training/id6743699439/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free |
| Size | 24 MB | 15 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Houyuan Zhixing Technology Co.,Ltd.](https://appshunter.io/developer/1144345874) | [Silverdragon Tech PTE. LTD](https://appshunter.io/developer/1635915308) |

## What reviewers say

### 极限挑战

[App page](https://appshunter.io/ios/app/id6463661714)

**In-app purchases:** none


### BrainBay

[App page](https://appshunter.io/ios/app/brainbay-brain-training/id6743699439)

A collection of classic brain-training puzzle games designed for quick play sessions. Enjoy Sudoku, 2048, memory matching, and 24-point challenges with a minimalist interface. More games are planned for future updates.

**Highlights:** Sudoku puzzles, 2048 number game, Memory matching, 24-point calculation, Minimalist interface, Multiple puzzle types

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 极限挑战 free?

极限挑战 is free to download, with no in-app purchases.

### Is BrainBay free?

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

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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.*