# STEM JUNIOR vs AI

The clearest difference is in-app purchases: AI at none against STEM JUNIOR's 4. 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. AI asks for nothing beyond the download.

STEM JUNIOR ships an update every 3 weeks, AI monthly. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | STEM JUNIOR | AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-scorer/id1593460599/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free |
| Size | 291 MB | 16 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INSTITUTE VIETSTEM COMPANY LIMITED](https://appshunter.io/developer/1484787821) | [University of Georgia Research Foundation, Inc.](https://appshunter.io/developer/1502442843) |

## 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 |


### AI

[App page](https://appshunter.io/ios/app/ai-scorer/id1593460599)

This AI-powered system helps educators efficiently assess student creativity using machine learning models. It automates scoring, stores submissions, and allows teachers to manage classes, track progress, and provide feedback.

**Highlights:** AI-assisted creativity assessment, Automatic scoring of student responses, Learner progress tracking, Class and student management, Persistent storage of submissions, Timely feedback provision

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STEM JUNIOR free?

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

### Is AI free?

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

### Do STEM JUNIOR or AI have ads?

Neither STEM JUNIOR nor AI shows ads.

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

STEM JUNIOR ships an update every 3 weeks, and AI monthly. Most recently, STEM JUNIOR was updated on October 25, 2026 and AI on November 3, 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.*