# STEM JUNIOR vs LITTLE BLOCK MAKER

The clearest difference is in-app purchases: LITTLE BLOCK MAKER at none against STEM JUNIOR's 4. LITTLE BLOCK MAKER also leads on iOS requirement (13.0 vs 15.0). STEM JUNIOR's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. STEM JUNIOR sells 4 one-off in-app purchases. LITTLE BLOCK MAKER asks for nothing beyond the download.

STEM JUNIOR ships an update every 3 weeks, LITTLE BLOCK MAKER every 2 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | STEM JUNIOR | LITTLE BLOCK MAKER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 291 MB | 31 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INSTITUTE VIETSTEM COMPANY LIMITED](https://appshunter.io/developer/1484787821) | [广东群宇互动科技有限公司](https://appshunter.io/developer/1019985641) |

## What reviewers say

### STEM JUNIOR

[App page](https://appshunter.io/ios/app/stem-junior/id1484787823)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6 Months | $26.99 | one-time |
| 6 Months | $29.99 | one-time |
| 12 Months | $34.99 | one-time |
| 12 Months | $36.99 | one-time |


### LITTLE BLOCK MAKER

[App page](https://appshunter.io/ios/app/little-block-maker/id6749477316)

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

**In-app purchases:** none


## Frequently asked questions

### Is STEM JUNIOR free?

STEM JUNIOR is free to download, with in-app purchases available.

### Is LITTLE BLOCK MAKER free?

LITTLE BLOCK MAKER is free to download, with no in-app purchases.

### Do STEM JUNIOR or LITTLE BLOCK MAKER have ads?

Neither STEM JUNIOR nor LITTLE BLOCK MAKER shows ads.

### Which is updated more often, STEM JUNIOR or LITTLE BLOCK MAKER?

STEM JUNIOR ships an update every 3 weeks, and LITTLE BLOCK MAKER every 2 months. Most recently, STEM JUNIOR was updated on October 25, 2026 and LITTLE BLOCK MAKER on October 30, 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.*