# ScratchJr vs Twin Code Lab

The clearest difference is ratings volume: ScratchJr at 1.8K against Twin Code Lab's 7. ScratchJr also leads on iOS requirement (11.0 vs 13.0). Twin Code Lab's advantage is review sentiment (84% vs 67%) and update cadence (every 3 months vs every 6 months). On price, rating, ads 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.

On the App Store both sit at effectively the same score — 3.9 for ScratchJr against 3.9 for Twin Code Lab. That said, the two scores are not equally well evidenced: ScratchJr has 1.8K ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 67% of ScratchJr's written reviews are positive against 84% of Twin Code Lab's.

ScratchJr ships an update every 6 months, Twin Code Lab every 3 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ScratchJr | Twin Code Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (1.8K ratings)](https://appshunter.io/ios/app/scratchjr/id895485086/reviews)** | [3.9 (7 ratings)](https://appshunter.io/ios/app/twin-code-lab/id1447423867/reviews) |
| Number of ratings | **1.8K** | 7 |
| Positive reviews | 66.8% of reviews | **84.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 51 MB | 89 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scratch Foundation, Inc.](https://appshunter.io/developer/1066012912) | [TWIN YAZILIM MUHENDISLIK SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1447423866) |

## What reviewers say

### ScratchJr

[App page](https://appshunter.io/ios/app/scratchjr/id895485086)

This app allows young children to create their own interactive stories and games by snapping together graphical programming blocks. It fosters problem-solving, creative expression, and develops early numeracy and literacy skills in a fun, motivating context.

**Highlights:** Program interactive stories, Create games, Snap-together programming blocks, Develop problem-solving skills, Foster creative expression, Learn coding fundamentals

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use for kids
- 🚀 Great for coding and creating animations
- 💡 Allows customization of characters and backgrounds
- ⭐ Fun and engaging for young users

**What reviewers complain about**

- 🐛 Glitchy drawing/editing tools
- 🔧 Limited number of frames/scenes per project
- 🎨 Lack of color options and customization
- 🔊 Poor audio quality and limited sound options

**Reported bugs**

- Freezing and crashing issues
- Incorrect character movements and positioning
- Saving and loading problems
- Microphone and recording bugs

**Requested features**

- Add more frames/scenes per project
- Improve drawing/editing tools
- Expand color and customization options
- Enhance audio features and sound library
- Integrate with the full Scratch platform


### Twin Code Lab

[App page](https://appshunter.io/ios/app/twin-code-lab/id1447423867)

This app is a programming tool designed to work with specific hardware kits, enabling users to learn coding fundamentals through a visual, drag-and-drop interface. It connects wirelessly to hardware modules, offering pre-made projects and instructions for building and coding creations.

**Highlights:** Visual drag-and-drop coding interface, Bluetooth connectivity to hardware, Learn coding fundamentals, Pre-made project programs, Building instructions for Twin Kits, Beginner-friendly yet flexible

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ScratchJr free?

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

### Is Twin Code Lab free?

Twin Code Lab is free to download, with no in-app purchases.

### Which has better reviews, ScratchJr or Twin Code Lab?

ScratchJr is rated higher. ScratchJr averages 3.9 out of 5 from 1.8K ratings, while Twin Code Lab averages 3.9 from 7 ratings.

### Do ScratchJr or Twin Code Lab have ads?

Neither ScratchJr nor Twin Code Lab shows ads.

### Which is updated more often, ScratchJr or Twin Code Lab?

ScratchJr ships an update every 6 months, and Twin Code Lab every 3 months. Most recently, ScratchJr was updated on October 13, 2026 and Twin Code Lab on October 2, 2026.

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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.*