Crash Course vs Functional Groups
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crash Course
Access thousands of free educational videos covering humanities and sciences. Enhance your learning with supplemental flashcards and quizzes for select courses. Join a community dedicated to making education fun and engaging.
- Thousands of educational videos
- High school and college level courses
- Humanities and sciences subjects
- Supplemental flashcards
- Quizzes for review
- Community of learners
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Watch thousands of educational videos and review your learning with the Crash Course App! At Crash Course, we believe that high-quality educational content should be available to everyone for free. We produce courses that accompany high school and college-level classes ranging from the humanities to the sciences. On YouTube we have created a community of over 10 million subscribers that believe, like us, that learning should be fun, engaging, and thoughtful (and silly when appropriate). This app is a portal to our thousands of videos online and a place to review your learning with supplemental flashcards and quizzes. Flashcard decks are currently available for all episodes of Anatomy & Physiology, Chemistry, and Organic Chemistry, and we'll be continually adding more content. So please join our community of learners because you are the exception!
Functional Groups
Master organic chemistry functional groups through an engaging and interactive learning experience. Ideal for students in introductory or advanced courses, MCAT prep, and A-Level chemistry, this app covers dozens of essential groups with practice modes and progress tracking.
- 25+ basic and advanced functional groups
- 300+ organic compounds
- Multiple practice modes
- Customizable study groups
- Personalized review
- Reference table and definitions
- Progress tracking with achievements
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Ready to ace organic chemistry? Learn the functional groups you need to know - all in an engaging and interactive format. The app is ideal for introductory or advanced organic chemistry classes, MCAT prep, A-Level chemistry, and more. You’ll quickly become familiar with alcohols, esters, amides, amines, and dozens of other important functional groups. The app features: • 25+ basic and advanced functional groups • 300+ organic compounds • Multiple practice modes • Customize which groups to study • Personalized review • Reference table and definitions • Achievements to track your progress Along the way, you’ll learn interesting facts about pharmaceuticals, biomolecules, dangerous compounds, unique molecular structures, and more. With the Functional Groups app, learning organic chemistry is easy, straightforward, and, dare we say… fun? Give it a try and let us know what you think!
Screenshots
Verdict
Crash Course and Functional Groups both sit at 4.8 stars, but that hides the real split: 100% of Functional Groups's written reviews are positive against 76% of Crash Course's. Crash Course's advantage is ratings volume (1.6K vs 21). On price, rating, update cadence and ads 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
Both are free to download. Crash Course sells 13 one-off in-app purchases and Functional Groups sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Crash Course against 4.9 for Functional Groups. That said, the two scores are not equally well evidenced: Crash Course has 1.6K ratings behind it against 21, so its average is the more settled of the two. Written reviews are what separate them: 76% of Crash Course's written reviews are positive against 100% of Functional Groups's.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.
| Parameter | Crash Course | Functional Groups |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.6K ratings) | 4.9 (21 ratings) — better |
| Positive reviews | 75.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 1.6K — better | 21 |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 146 MB | 17 MB |
| Age rating | 17+ | 4+ |
| Developer | Complexly LLC | Clarity Applications |
Customer experience
Crash Course
Functional Groups
Bugs and requests
Crash Course
Reported bugs
4 issues- Courses disappearing after updates
- Search function not working
- Trouble downloading content
- App crashing during use
Requested features
6 requests- Add math and English courses
- Expand course selection
- Improve search functionality
- Allow offline video viewing
- Add progress tracking and favorites
Show 1 moreShow fewer
- Implement landscape mode on tablets
Functional Groups
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Crash Course
- Contribute $1.99$1.99
- Contribute Tier 1$1.99
- Contribute $4.99$4.99
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- Contribute Tier 2$4.99
- Contribute Tier 3$9.99
- Contribute Tier 4$14.99
- Contribute Tier 5$19.99
- Contribute Tier 6$24.99
- Contribute Tier 7$29.99
- Contribute Tier 8$39.99
- Contribute Tier 9$49.99
- Contribute Tier 10$59.99
- Contribute Tier 14$99.99
Functional Groups
- Lifetime Access$9.99
Questions
Is Crash Course free?
Is Functional Groups free?
Which has better reviews, Crash Course or Functional Groups?
Do Crash Course or Functional Groups have ads?
Which is updated more often, Crash Course or Functional Groups?
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