# GASKEF vs Learn Subtraction

The clearest difference is in-app purchases: GASKEF at none against Learn Subtraction's 5. GASKEF also leads on iOS requirement (12.0 vs 16.0). Learn Subtraction's advantage is device support. On price there is nothing between them.

Both are free to download. Learn Subtraction sells 5 in-app purchases, starting at $3.99 per month. GASKEF asks for nothing beyond the download.

## The numbers

| Metric | GASKEF | Learn Subtraction |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Size | 23 MB | 24 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Anadolu Bilisim](https://appshunter.io/developer/1524978637) | [Sedat YILDIZ](https://appshunter.io/developer/1895743944) |

## What reviewers say

### GASKEF

[App page](https://appshunter.io/ios/app/gaskef/id6450558792)

**In-app purchases:** none


### Learn Subtraction

[App page](https://appshunter.io/ios/app/learn-subtraction-grades-1-2/id6801108688)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (1 Month) | $3.99 | per month |
| Remove Ads (1 Year) | $24.99 | per year |
| 100 Diamonds | $1.99 | one-time |
| 500 Diamonds | $7.99 | one-time |
| 1000 Diamonds | $9.99 | one-time |


## Frequently asked questions

### Is GASKEF free?

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

### Is Learn Subtraction free?

Learn Subtraction is free to download, with in-app purchases available.

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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.*