# SolvedBooks vs Linear Algebra

The clearest difference is in-app purchases: SolvedBooks at none against Linear Algebra's 1. SolvedBooks also leads on iOS requirement (15.1 vs 18.6). Linear Algebra's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Linear Algebra sells 1 one-off in-app purchase. SolvedBooks asks for nothing beyond the download.

## The numbers

| Metric | SolvedBooks | Linear Algebra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 days |
| Size | 36 MB | 21 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [YAT MAN WONG](https://appshunter.io/developer/1895251417) | [Mohammed Yussif](https://appshunter.io/developer/1873447146) |

## What reviewers say

### SolvedBooks

[App page](https://appshunter.io/ios/app/solvedbooks/id6764142832)

**Features:** macOS Compatibility

**In-app purchases:** none


### Linear Algebra

[App page](https://appshunter.io/ios/app/linear-algebra-matrixviz/id6791628348)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MatrixViz Pro Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is SolvedBooks free?

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

### Is Linear Algebra free?

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

### Do SolvedBooks or Linear Algebra have ads?

SolvedBooks shows ads; Linear Algebra does not.

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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.*