# Define Ustası vs RS Video

The clearest difference is in-app purchases: Define Ustası at none against RS Video's 4. Define Ustası also leads on iOS requirement (10.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. RS Video sells 4 in-app purchases, starting at $0.99 per month. Define Ustası asks for nothing beyond the download.

## The numbers

| Metric | Define Ustası | RS Video |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 95 MB | 38 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erinc Karatas](https://appshunter.io/developer/939272530) | [Aydn acar](https://appshunter.io/developer/1713167202) |

## What reviewers say

### Define Ustası

[App page](https://appshunter.io/ios/app/define-ustas/id6544797578)

**Features:** macOS Compatibility

**In-app purchases:** none


### RS Video

[App page](https://appshunter.io/ios/app/rs-video/id6757131408)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YouTube Filtresi Aylık | $0.99 | per month |
| YouTube Filtresi Yıllık | $6.99 | per year |
| ÖABT Matematik | $9.99 | per month |
| ÖABT Matematik | $99.99 | per year |


## Frequently asked questions

### Is Define Ustası free?

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

### Is RS Video free?

RS Video is free to download, with in-app purchases available.

### Do Define Ustası or RS Video have ads?

Neither Define Ustası nor RS Video 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.*