Learn and practice organic chemistry functional groups with interactive lessons and timed challenges. This app is designed for A-Level Chemistry students to prepare for exams and competitions.
R2R: Functional Groups by James Styles





191+ iOS apps & games curated and reviewed
If you already know R2R, this is the deeper bench. 191+ functional groups in chemistry apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.7★ (124) | No | No | Oct 2026 | ||
| 2 | Free | 4.9★ (21) | No | Yes | Oct 2026 | ||
| 3 | $0.99 | 3.6★ (5) | No | Yes | Aug 2026 | ||
| 4 | Free | 4.7★ (162) | No | Yes | Sep 2026 | ||
| 5 | Free | 4.3★ (7) | No | Yes | Aug 2026 | ||
| 6 | Free | 4.0★ (1) | Yes | No | May 2026 | ||
| 7 | Free | 4.4★ (719) | Yes | No | Oct 2026 | ||
| 8 | Free | 4.6★ (255K) | Yes | No | Oct 2026 |





Learn and practice organic chemistry functional groups with interactive lessons and timed challenges. This app is designed for A-Level Chemistry students to prepare for exams and competitions.






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.





Master organic chemistry by learning 80 functional groups and natural products. Engage with interactive quizzes, flashcards, and tables to prepare for exams. Supports learning in 13 languages.