Comparison

Frontend Masters vs ChemSafe AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Frontend Masters

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
Read full description

Master the most important JavaScript and front-end development skills like React, Node.js, Vue, Functional JavaScript, CSS Grid, Flexbox, and more — with 100+ fresh web development courses on Frontend Masters! This iOS App features: - Save videos to your device! Watch on-the-go, on or offline (on the plane, or a train, or in space) - Access to our entire course catalog and new courses as they’re released. - Never lose where you’ve left off — progress syncs online and offline! Subscription Options: • Unlimited - full access for $39.99 per month or $399.99 per year. Cancel anytime. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period at the prices quoted above. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of Service: https://frontendmasters.com/company/terms/ Privacy policy: https://frontendmasters.com/company/privacy/ For issues, the iOS issues repo is now public! https://github.com/FrontendMasters/ios-issues For customer support, email us at support@frontendmasters.com

About

ChemSafe AI

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
Read full description

Stay safe in the lab with the power of AI. ChemSafe AI is your personal chemistry lab safety assistant. Just point your camera at your workspace and let AI instantly identify hazards, GHS safety symbols, and risky conditions — so you can catch problems before they happen. Whether you're a student, teacher, or lab technician, ChemSafe AI helps you build safer habits and understand the risks around you.

Screenshots

Frontend Masters4 screens
ChemSafe AI4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

Scorecard5 real differences · 5 level
Frontend Masters versus ChemSafe AI: the parameters behind the verdict, then further details
ParameterFrontend MastersChemSafe AI
PriceFreeFree
Rating4.7 (347 ratings)5.0 (1 ratings) — better
Positive reviews79.3% of reviews—
Number of ratings347 — better1
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size40 MB85 MB
Age rating4+12+
DeveloperMJG International, LLCCoding Minds, Inc.

Bugs and requests

Frontend Masters

Reported bugs

11 issues
  • 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
Show 6 more
  • Videos don't load without app restart
  • Full-screen video not working on iOS 16+
  • Progress tracking not updating correctly
  • Offline download progress not indicated
  • Phone lock/unlock breaks video playback
  • Video player audio glitches and dropouts

Requested features

9 requests
  • Picture-in-Picture (PiP) mode
  • Search functionality in app
  • Dark mode option
  • Video quality settings
  • Keyboard controls for video playback
Show 4 more
  • Course duration display
  • Caption size adjustment
  • Download progress indication
  • Keyboard support for navigation

ChemSafe AI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Frontend Masters

Subscriptions2
  • Monthly Unlimited$39.991 Month
  • Yearly Unlimited$399.991 Year
None

ChemSafe AI

No in-app purchases

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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