# ScratchJr vs Sum Strike

The clearest difference is in-app purchases: ScratchJr at none against Sum Strike's 3. ScratchJr also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). Sum Strike's advantage is update cadence (every 3 weeks vs every 6 months). On price and ads there is nothing between them.

Both are free to download. Sum Strike sells 3 in-app purchases, starting at $1.99 per month. ScratchJr asks for nothing beyond the download.

ScratchJr ships an update every 6 months, Sum Strike every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ScratchJr | Sum Strike |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (1.9K ratings)](https://appshunter.io/ios/app/scratchjr/id895485086/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 66.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 51 MB | 52 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Scratch Foundation, Inc.](https://appshunter.io/developer/1066012912) | [Thomas Kramer Nielsen](https://appshunter.io/developer/1867855498) |

## 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


### Sum Strike

[App page](https://appshunter.io/ios/app/sum-strike-math-soccer-game/id6804718736)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sum Strike Pro - Monthly | $1.99 | per month |
| Sum Strike Pro - Yearly | $14.99 | per year |
| Sum Strike Pro - Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is ScratchJr free?

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

### Is Sum Strike free?

Sum Strike is free to download, with in-app purchases available.

### Do ScratchJr or Sum Strike have ads?

Neither ScratchJr nor Sum Strike shows ads.

### Which is updated more often, ScratchJr or Sum Strike?

ScratchJr ships an update every 6 months, and Sum Strike every 3 weeks. Most recently, ScratchJr was updated on November 6, 2026 and Sum Strike on October 31, 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.*