# STEM JUNIOR vs EdBoom

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

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

STEM JUNIOR ships an update every 3 weeks, EdBoom fortnightly. The most recent releases landed on September 11, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | STEM JUNIOR | EdBoom |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 291 MB | 27 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) | [EDT](https://appshunter.io/developer/1759378854) |

## 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 |


### EdBoom

[App page](https://appshunter.io/ios/app/edboom/id6575385671)

A digital reading platform offering a vast library of leveled eBooks to support literacy in and out of the classroom. It allows teachers to assign content, track student progress, and assess comprehension, while also catering to English language learners with customizable features.

**Highlights:** Thousands of leveled eBooks, Curriculum-aligned content, Teacher progress tracking, Student comprehension assessment, Customizable for English learners, UK and US English narration options

**In-app purchases:** none


## Frequently asked questions

### Is STEM JUNIOR free?

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

### Is EdBoom free?

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

### Do STEM JUNIOR or EdBoom have ads?

Neither STEM JUNIOR nor EdBoom shows ads.

### Which is updated more often, STEM JUNIOR or EdBoom?

STEM JUNIOR ships an update every 3 weeks, and EdBoom fortnightly. Most recently, STEM JUNIOR was updated on September 11, 2026 and EdBoom on June 1, 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.*