# JA vs Sigma Academy

The clearest difference is device support: JA at 2 against Sigma Academy's —. JA also leads on iOS requirement (14.0 vs 16.0). 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 | JA | Sigma Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 63 MB | 153 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed ElHusseini](https://appshunter.io/developer/1565152479) | [Mahmoud Fouad](https://appshunter.io/developer/1657906607) |

## What reviewers say

### JA

[App page](https://appshunter.io/ios/app/ja-bio-academy/id6444244491)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sigma Academy

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

**In-app purchases:** none


## Frequently asked questions

### Is JA free?

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

### Is Sigma Academy free?

Sigma Academy 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.*