# 腦力心算 vs 默書精靈

The clearest difference is price: 默書精靈 at Free against 腦力心算's $8.99. 默書精靈 also leads on iOS requirement (11.0 vs 15.0). On in-app purchases and device support there is nothing between them.

默書精靈 is free to download; 腦力心算 costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 腦力心算 | 默書精靈 |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 18 months | — |
| Size | 161 MB | 26 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) | [Learning Canvas Company Limited](https://appshunter.io/developer/1563885737) |

## What reviewers say

### 腦力心算

[App page](https://appshunter.io/ios/app/id1223888944)

**In-app purchases:** none


### 默書精靈

[App page](https://appshunter.io/ios/app/id6448487155)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 腦力心算 free?

腦力心算 costs $8.99, with no in-app purchases.

### Is 默書精靈 free?

默書精靈 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.*