# Frontend Masters vs ChemSafe AI

The clearest difference is in-app purchases: ChemSafe AI at none against Frontend Masters's 2. ChemSafe AI also leads on rating (5.0 vs 4.7). Frontend Masters's advantage is ratings volume (347 vs 1) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Frontend Masters sells 2 in-app purchases, starting at $39.99 per month. ChemSafe AI asks for nothing beyond the download.

ChemSafe AI holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Frontend Masters has 347 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Frontend Masters | ChemSafe AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (347 ratings)](https://appshunter.io/ios/app/frontend-masters/id1383780486/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chemsafe-ai/id6791357172/reviews)** |
| Number of ratings | **347** | 1 |
| Positive reviews | 79.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Subscription | **Free** |
| Size | 40 MB | 85 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MJG International, LLC](https://appshunter.io/developer/866091824) | [Coding Minds, Inc.](https://appshunter.io/developer/1480612283) |

## What reviewers say

### Frontend Masters

[App page](https://appshunter.io/ios/app/frontend-masters/id1383780486)

Learn essential JavaScript and front-end development skills with over 100 web development courses. Download videos for offline viewing and access new content as it's released. Progress syncs across devices, ensuring you never lose your place.

**Highlights:** 100+ web development courses, Offline video downloads, Access to entire course catalog, New courses released regularly, Cross-device progress sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited | $39.99 | per month |
| Yearly Unlimited | $399.99 | per year |

**What reviewers like**

- 📚 High-quality, up-to-date course content
- 👨‍🏫 Expert instructors with deep knowledge
- 📱 Smooth, intuitive app interface
- 🔌 Excellent offline download functionality
- ⚡ Fast, snappy performance on desktop and app

**What reviewers complain about**

- 🐛 Video player bugs (pause/play issues)
- 🐛 App crashes and freezes
- 🐛 Video loading failures requiring app restart
- 🎨 Outdated UI/UX design
- 📺 Full-screen video issues on iOS 16+

**Reported bugs**

- Pause button mutes audio instead of pausing video (iOS 17)
- App crashes when clicking on courses
- Video pause not working on iPad
- PiP mode zombie defect - video continues playing silently
- Unable to login on app while website login works

**Requested features**

- Picture-in-Picture (PiP) mode
- Search functionality in app
- Dark mode option
- Video quality settings
- Keyboard controls for video playback


### ChemSafe AI

[App page](https://appshunter.io/ios/app/chemsafe-ai/id6791357172)

This AI-powered assistant enhances lab safety by identifying chemical hazards and safety symbols through your device's camera. It helps students, teachers, and technicians understand risks and build safer practices.

**Highlights:** AI-powered hazard identification, GHS safety symbol recognition, Real-time risk assessment, Camera-based workspace scanning, Safer habit building

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

**In-app purchases:** none


## Frequently asked questions

### Is Frontend Masters free?

Frontend Masters is free to download, with in-app purchases available.

### Is ChemSafe AI free?

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

### Which has better reviews, Frontend Masters or ChemSafe AI?

ChemSafe AI is rated higher. Frontend Masters averages 4.7 out of 5 from 347 ratings, while ChemSafe AI averages 5.0 from 1 ratings.

### Do Frontend Masters or ChemSafe AI have ads?

Neither Frontend Masters nor ChemSafe AI shows ads.

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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.*