# Heterocycles — Learn organic chemistry > Interactive learning app for organic chemistry heterocycles and their applications. (iPhone/iPad app by Clarity Applications.) - Source: https://appshunter.io/ios/app/heterocycles/id6445909269 (this page in markdown: same URL + `.md`) - Developer: [Clarity Applications](https://appshunter.io/developer/1646120472) - Category: Education - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 17 MB - Languages: American English - Released: 2023-03-04 - Data updated: 2026-08-13 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/heterocycles/id6445909269/reviews.md ## What is Heterocycles? Learn the names of heterocycles - all in an engaging and interactive format. If you’re puzzled by pyridines, quizzical about quinazolines, or interested in indolines, look no further. You’ll quickly become familiar with the most important nitrogen-, oxygen-, and sulfur-containing heterocycles, along with their applications in medicinal chemistry, biology, and beyond. The app features: • 75+ simple and advanced heterocycles • Hundreds of examples • Multiple practice modes • 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. Give it a try and let us know what you think! ## Key features - 75+ heterocycles - Hundreds of examples - Multiple practice modes - Personalized review - Reference table - Achievements ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime Access | $4.99 | one-time | ## Frequently asked questions about Heterocycles ### What is the learning methodology of Heterocycles? Heterocycles uses an interactive format with practice modes and personalized review to help users learn. It covers over 75 simple and advanced heterocycles with hundreds of examples and includes achievements to track progress. ### How does Heterocycles track user progress? Heterocycles features an achievements system that allows users to track their learning progress. This gamified approach encourages engagement and provides a clear overview of mastered concepts. ### What types of heterocycles are covered in Heterocycles? The app covers over 75 simple and advanced nitrogen-, oxygen-, and sulfur-containing heterocycles. It also highlights their applications in medicinal chemistry and biology. ### Is Heterocycles available on all devices? Heterocycles is currently supported on iPhone, iPad, and iPod devices. It is designed for Apple's mobile operating system. ### What is the age rating for Heterocycles? Heterocycles has an age rating of 4+. This indicates it is suitable for a broad audience, though its educational content is most relevant to older learners. ### How often is Heterocycles updated? The last update for Heterocycles was on August 2, 2026, with version 1.3. This suggests a recent focus on content and feature refinement. ### Does Heterocycles have ads? No, Heterocycles does not contain advertisements. The app is free to download and use, with optional in-app purchases. ### What are the in-app purchases in Heterocycles? While the app is free, it offers in-app purchases. Specific details on what these purchases unlock are not provided in the description, but they likely enhance the learning experience. ## Version history (last 4 releases) ### 1.3 — 2026-08-02 Thanks for using the Heterocycles app! This update includes bug fixes and performance improvements. If you run into any issues, please let us know at support@clarityapps.co. ### 1.2 — 2025-09-20 Thanks for using the Heterocycles app! This update includes bug fixes and performance improvements. If you run into any issues, please let us know at support@clarityapps.co. ### 1.1 — 2023-06-17 Thanks for using the Heterocycles app! This update includes bug fixes and performance improvements. If you run into any issues, please let us know at support@clarityapps.co. ### 1.0 — 2023-03-04 No release notes. ## Apps similar to Heterocycles | App | Rating | Price | Category | | --- | --- | --- | --- | | [Organic Chemistry Challenge](https://appshunter.io/ios/app/organic-chemistry-challenge/id1460757759) | 2.3 (6) | Free | Education | | [Organic Chemistry Conversions](https://appshunter.io/ios/app/organic-chemistry-conversions/id6748886006) | — | Free | Education | | [Shin Reaction Mechanism](https://appshunter.io/ios/app/shin-reaction-mechanism/id674401547) | 5.0 (1) | Free | Education | | [Pocket Chemist](https://appshunter.io/ios/app/pocket-chemist/id1619691624) | 5.0 (4) | Free | Education | | [iORA - Reaction Visualizer](https://appshunter.io/ios/app/iora-reaction-visualizer/id1609524913) | 5.0 (12) | Free | Education | | [CycleChem](https://appshunter.io/ios/app/cyclechem/id1465804394) | — | Free | Education | ## More apps by Clarity Applications - [Sober January: Dry Day Tracker](https://appshunter.io/ios/app/sober-january-dry-day-tracker/id1660642475) - [Functional Groups](https://appshunter.io/ios/app/functional-groups/id1670252638) - [Clarity: Drink Less, Live Well](https://appshunter.io/ios/app/clarity-drink-less-live-well/id6443457622) - [Cozy Couples: Relationship App](https://appshunter.io/ios/app/cozy-couples-relationship-app/id6463766369) - [SwipeReader: Focused Reading](https://appshunter.io/ios/app/swipereader-focused-reading/id6747325286) All apps by Clarity Applications: https://appshunter.io/developer/1646120472 ## Related topics [heterocycles](https://appshunter.io/ios/topics/heterocycles) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*