# STEMulator vs AI Cyber Mentor

The clearest difference is in-app purchases: STEMulator at none against AI Cyber Mentor's 3. AI Cyber Mentor's advantage is update cadence (fortnightly vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Cyber Mentor sells 3 in-app purchases, starting at $1.99 per 7 days. STEMulator asks for nothing beyond the download.

STEMulator ships an update every 9 months, AI Cyber Mentor fortnightly. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | STEMulator | AI Cyber Mentor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ai-cyber-mentor/id6752932694/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 108 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [STEMulator](https://appshunter.io/developer/1760697221) | [Samir Patel](https://appshunter.io/developer/1793485427) |

## What reviewers say

### STEMulator

[App page](https://appshunter.io/ios/app/stemulator/id6599522008)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Cyber Mentor

[App page](https://appshunter.io/ios/app/ai-cyber-mentor/id6752932694)

Master cybersecurity with AI-powered guidance. Learn penetration testing, security fundamentals, and essential tools through interactive quizzes and personalized tips. Suitable for beginners and advanced users.

**Highlights:** Cybersecurity tools environment setup, Virtualization and ARM device techniques, Networking essentials, Container, WSL, and cloud security, Security tools and custom scripting, AI-powered chat and quizzes, Progress tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| Yearly | $16.99 | per year |


## Frequently asked questions

### Is STEMulator free?

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

### Is AI Cyber Mentor free?

AI Cyber Mentor is free to download, with in-app purchases available.

### Do STEMulator or AI Cyber Mentor have ads?

Neither STEMulator nor AI Cyber Mentor shows ads.

### Which is updated more often, STEMulator or AI Cyber Mentor?

STEMulator ships an update every 9 months, and AI Cyber Mentor fortnightly. Most recently, STEMulator was updated on October 5, 2026 and AI Cyber Mentor on October 11, 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.*