# Sigma Academy vs Booklet Store

The clearest difference is device support: Booklet Store at 3 against Sigma Academy'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 | Sigma Academy | Booklet Store |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 days |
| Size | 153 MB | 60 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mahmoud Fouad](https://appshunter.io/developer/1657906607) | [Abdalla Walles](https://appshunter.io/developer/1781955824) |

## What reviewers say

### Sigma Academy

[App page](https://appshunter.io/ios/app/sigma-academy/id6444916557)

**In-app purchases:** none


### Booklet Store

[App page](https://appshunter.io/ios/app/booklet-store/id6755791643)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sigma Academy free?

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

### Is Booklet Store free?

Booklet Store 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.*