# STEM JUNIOR vs Junior Coding From Scratch

The clearest difference is update cadence: STEM JUNIOR at every 3 weeks against Junior Coding From Scratch's every 9 months. Junior Coding From Scratch's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. STEM JUNIOR sells 4 one-off in-app purchases and Junior Coding From Scratch sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

STEM JUNIOR ships an update every 3 weeks, Junior Coding From Scratch every 9 months. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | STEM JUNIOR | Junior Coding From Scratch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Size | 291 MB | 63 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INSTITUTE VIETSTEM COMPANY LIMITED](https://appshunter.io/developer/1484787821) | [PLAY AND LEARN EDUCATIONAL GAMES FOR KIDS PLEI END LERN EDYUKESHINAL GEIMS FO KIDS, TOO](https://appshunter.io/developer/1661530104) |

## 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 |


### Junior Coding From Scratch

[App page](https://appshunter.io/ios/app/junior-coding-from-scratch/id6504386083)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins | $2.99 | one-time |
| 500 Coins | $4.99 | one-time |
| Remove Forced Ads | $5.99 | one-time |
| 1000 Coins | $5.99 | one-time |


## Frequently asked questions

### Is STEM JUNIOR free?

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

### Is Junior Coding From Scratch free?

Junior Coding From Scratch is free to download, with in-app purchases available.

### Do STEM JUNIOR or Junior Coding From Scratch have ads?

Neither STEM JUNIOR nor Junior Coding From Scratch shows ads.

### Which is updated more often, STEM JUNIOR or Junior Coding From Scratch?

STEM JUNIOR ships an update every 3 weeks, and Junior Coding From Scratch every 9 months. Most recently, STEM JUNIOR was updated on September 30, 2026 and Junior Coding From Scratch on October 10, 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.*