# QLT Powered vs XDF Block

The clearest difference is device support: XDF Block at 3 against QLT Powered'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 | QLT Powered | XDF Block |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Monetization | — | Free |
| Size | 194 MB | 112 MB |
| Requires iOS | 10.0 | 10.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [睦彬 王](https://appshunter.io/developer/1259740025) | [北京新东方大愚文化传播有限公司](https://appshunter.io/developer/471850734) |

## What reviewers say

### QLT Powered

[App page](https://appshunter.io/ios/app/qlt-powered/id6461725862)

**In-app purchases:** none


### XDF Block

[App page](https://appshunter.io/ios/app/xdf-block/id6480124164)

This app enables children to learn programming and robot principles through interactive play with intelligent building blocks. It combines graphical programming with AI concepts, fostering creativity and problem-solving skills.

**Highlights:** Graphical programming interface, Intelligent building blocks, 3D modeling tutorials, AI and data thinking concepts, Remote control and AI interaction, Video teaching content

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

**In-app purchases:** none


## Frequently asked questions

### Is QLT Powered free?

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

### Is XDF Block free?

XDF Block 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.*