# 睿迪安 vs Linear Algebra

The clearest difference is iOS requirement: 睿迪安 at 12.0 against Linear Algebra's 17.6. On price and in-app purchases 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 | 睿迪安 | Linear Algebra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 5 weeks |
| Size | 50 MB | 73 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | — | **iPhone** |
| Age rating | 17+ | 4+ |
| Developer | [Zhejiang Ruidi'an New Energy Technology Co., Ltd.](https://appshunter.io/developer/1674089038) | [光浩 李](https://appshunter.io/developer/1576352133) |

## What reviewers say

### 睿迪安

[App page](https://appshunter.io/ios/app/id6470202052)

**In-app purchases:** none


### Linear Algebra

[App page](https://appshunter.io/ios/app/linear-algebra-matrix-solver/id6766080565)

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

**In-app purchases:** none


## Frequently asked questions

### Is 睿迪安 free?

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

### Is Linear Algebra free?

Linear Algebra 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.*