# Doc.Eng Academy vs Smart Math

The clearest difference is iOS requirement: Smart Math at 13 against Doc.Eng Academy's 15.6. On price, ads, in-app purchases and device support 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 | Doc.Eng Academy | Smart Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 222 MB | 87 MB |
| Requires iOS | 15.6 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Ahmed](https://appshunter.io/developer/1716158170) | [SyncPoint Programming](https://appshunter.io/developer/1839070192) |

## What reviewers say

### Doc.Eng Academy

[App page](https://appshunter.io/ios/app/doceng-academy/id6754944169)

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

**In-app purchases:** none


### Smart Math

[App page](https://appshunter.io/ios/app/smart-math-learning/id6776701391)

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

**In-app purchases:** none


## Frequently asked questions

### Is Doc.Eng Academy free?

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

### Is Smart Math free?

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

### Do Doc.Eng Academy or Smart Math have ads?

Neither Doc.Eng Academy nor Smart Math 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.*