# Ogirdor Atlas vs Math Notebook

The clearest difference is price: Math Notebook at Free against Ogirdor Atlas's $2.99. Math Notebook also leads on iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Math Notebook is free to download; Ogirdor Atlas costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Ogirdor Atlas | Math Notebook |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Size | 686 MB | 27 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OGIRDOR LIMITED, NZ](https://appshunter.io/developer/1497108301) | [Manh Nguyen Duy](https://appshunter.io/developer/1868187168) |

## What reviewers say

### Ogirdor Atlas

[App page](https://appshunter.io/ios/app/ogirdor-atlas/id6743033998)

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

**In-app purchases:** none


### Math Notebook

[App page](https://appshunter.io/ios/app/math-notebook-e/id6757673065)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ogirdor Atlas free?

Ogirdor Atlas costs $2.99, with no in-app purchases.

### Is Math Notebook free?

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

### Do Ogirdor Atlas or Math Notebook have ads?

Neither Ogirdor Atlas nor Math Notebook shows ads.

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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.*