# STEM JUNIOR vs Vrobox

The clearest difference is in-app purchases: Vrobox at none against STEM JUNIOR's 4. Vrobox also leads on iOS requirement (11.0 vs 15.0). STEM JUNIOR's advantage is device support. On price there is nothing between them.

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

## The numbers

| Metric | STEM JUNIOR | Vrobox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 291 MB | 38 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [INSTITUTE VIETSTEM COMPANY LIMITED](https://appshunter.io/developer/1484787821) | [Anh Phuong Nguyen](https://appshunter.io/developer/1676725596) |

## 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 |


### Vrobox

[App page](https://appshunter.io/ios/app/vrobox/id6453942648)

**In-app purchases:** none


## Frequently asked questions

### Is STEM JUNIOR free?

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

### Is Vrobox free?

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

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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.*