# ScratchJr vs DIY Lake Science

The clearest difference is rating: DIY Lake Science at 4.4 against ScratchJr's 3.9. DIY Lake Science also leads on review sentiment (100% vs 67%) and iOS requirement (7.0 vs 11.0). ScratchJr's advantage is ratings volume (1.8K vs 15). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DIY Lake Science holds the better App Store score, 4.4 against 3.9. That said, the two scores are not equally well evidenced: ScratchJr has 1.8K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 67% of ScratchJr's written reviews are positive against 100% of DIY Lake Science's.

## The numbers

| Metric | ScratchJr | DIY Lake Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (1.8K ratings)](https://appshunter.io/ios/app/scratchjr/id895485086/reviews) | **[4.4 (15 ratings)](https://appshunter.io/ios/app/diy-lake-science/id973319218/reviews)** |
| Number of ratings | **1.8K** | 15 |
| Positive reviews | 66.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free | Free |
| Size | 51 MB | 193 MB |
| Requires iOS | 11.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scratch Foundation, Inc.](https://appshunter.io/developer/1066012912) | [The Lawrence Hall of Science](https://appshunter.io/developer/462994550) |

## 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


### DIY Lake Science

[App page](https://appshunter.io/ios/app/diy-lake-science/id973319218)

Explore freshwater ecosystems with hands-on activities and interactive simulations. Learn about lake mixing, seasonal changes, and the diverse life within aquatic environments through engaging videos and guided experiments.

**Highlights:** Hands-on activities with step-by-step instructions, Under the Lake simulation, Videos of global freshwater ecosystems, Learn about lake mixing and seasonal changes, Information on aquatic plants and animals, Content for families and educators

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ScratchJr free?

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

### Is DIY Lake Science free?

DIY Lake Science is free to download, with no in-app purchases.

### Which has better reviews, ScratchJr or DIY Lake Science?

DIY Lake Science is rated higher. ScratchJr averages 3.9 out of 5 from 1.8K ratings, while DIY Lake Science averages 4.4 from 15 ratings.

### Do ScratchJr or DIY Lake Science have ads?

Neither ScratchJr nor DIY Lake Science 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.*