# Amino Acids OTG — Quizzes, Flashcards > Interactive flashcards and quizzes for learning amino acid details. (iPhone/iPad app by Japality Limited.) - Source: https://appshunter.io/ios/app/amino-acids-otg/id1671412688 (this page in markdown: same URL + `.md`) - Developer: [Japality Limited](https://appshunter.io/developer/1574046707) - Category: Education - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.6 · 38 MB - Languages: English - Released: 2023-02-15 - Data updated: 2026-06-23 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/amino-acids-otg/id1671412688/reviews.md ## What is Amino Acids OTG? Learn the 20 standard amino acids with flashcards, quizzes, a searchable codon table, and mistake review — built for biochemistry and biology students. FEATURES • Amino acids list — names, symbols, skeletal formulas, and properties • Flashcards — customize front and back (name, 3-letter, 1-letter, structure) • Quizzes — text, property, and codon modes • Codon table — RNA/DNA lookup with search • Mistake review — revisit questions you got wrong • 5 languages — English, Traditional Chinese, Simplified Chinese, Japanese, Korean • Light, dark, and system themes • No account required — open the app and start studying PREMIUM Optional monthly or yearly subscription removes banner, interstitial, and app-open ads. Learning features stay the same. Terms of Use: https://app.japality.com/aminoacidsotg/i/terms/ Privacy Policy: https://app.japality.com/aminoacidsotg/i/privacy_policy/ ## Key features - Interactive flashcards - Customizable quizzes - Detailed amino acid information - Progress tracking - Multilingual support - Offline access ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Premium (Monthly) | $1.99 | per month | | Premium (Annual) | $14.99 | per year | ## Frequently asked questions about Amino Acids OTG ### Does Amino Acids OTG have ads? Yes, Amino Acids OTG contains advertisements. This allows the app to remain free for users to access its educational content. ### What is the learning methodology of Amino Acids OTG? Amino Acids OTG utilizes interactive flashcards and dynamic quizzes to reinforce learning. Users can customize study sessions by selecting specific amino acids for focused practice. ### How does Amino Acids OTG track user progress? The app features challenging quizzes that allow users to test their knowledge. It also provides a review of incorrect answers to help users identify areas for improvement. ### Can I use Amino Acids OTG without an internet connection? Yes, Amino Acids OTG offers offline access. This feature is ideal for studying on-the-go without requiring an internet connection. ### What languages does Amino Acids OTG support? Amino Acids OTG supports multiple languages, including English, Simplified Chinese, Traditional Chinese, Japanese, and Korean, allowing for a personalized learning experience. ### What information is available for each amino acid? For each amino acid, the app provides details such as polarity, essentiality, molecular weight, biological roles, and links to Wikipedia for further exploration. ### Is Amino Acids OTG suitable for younger learners? Amino Acids OTG has an age rating of 4+, making it accessible for a wide range of users. The interactive format can be engaging for learners of various ages. ### How often is Amino Acids OTG updated? The latest version of Amino Acids OTG is 0.0.7, last updated on April 3, 2026. While this indicates a recent update, the frequency of future updates is not specified. ## Version history (last 5 releases) ### 0.0.9 — 2026-06-18 Bug fixes ### 0.0.7 — 2026-04-03 This update includes bug fixes to enhance your experience. ### 0.0.6 — 2025-12-06 This update includes bug fixes to enhance your experience. ### 0.0.5 — 2025-08-05 Enhanced the user experience. ### 0.0.3 — 2025-07-07 Now with multilingual support and richer amino acid data for better learning! ## Apps similar to Amino Acids OTG | App | Rating | Price | Category | | --- | --- | --- | --- | | [Amino Acids: Chemistry Quiz](https://appshunter.io/ios/app/amino-acids-chemistry-quiz/id6751791834) | 5.0 (1) | Free | Education | | [Functional Groups](https://appshunter.io/ios/app/functional-groups/id1670252638) | 4.9 (18) | Free | Education | | [Biomolecules: Cell respiration](https://appshunter.io/ios/app/biomolecules-cell-respiration/id6446350481) | 5.0 (1) | Free | Education | | [BioMind](https://appshunter.io/ios/app/biomind/id6744071222) | 5.0 (8) | Free | Education | | [MCAT CARSBooster](https://appshunter.io/ios/app/mcat-carsbooster/id6745006997) | 5.0 (7) | Free | Education | | [Amino Acid Academy](https://appshunter.io/ios/app/amino-acid-academy/id1191208428) | 4.7 (14) | $1.99 | Education | ## More apps by Japality Limited - [Basic Japanese OTG](https://appshunter.io/ios/app/basic-japanese-otg/id1503980819) - [Gojūon OTG](https://appshunter.io/ios/app/gojuon-otg/id1510823689) - [Hangul OTG](https://appshunter.io/ios/app/hangul-otg/id1515051609) - [Tango Lingo Japanese Vocab.](https://appshunter.io/ios/app/tango-lingo-japanese-vocab/id1574046705) - [Doushi Master-Language Lessons](https://appshunter.io/ios/app/doushi-master-language-lessons/id1599123995) All apps by Japality Limited: https://appshunter.io/developer/1574046707 ## Related topics [amino acids otg](https://appshunter.io/ios/topics/amino-acids-otg) · [amino acid guide](https://appshunter.io/ios/topics/amino-acid-guide) · [amino acids](https://appshunter.io/ios/topics/amino-acids) · [amino fire](https://appshunter.io/ios/topics/amino-fire) · [amino acids quiz](https://appshunter.io/ios/topics/amino-acids-quiz) · [amino acid](https://appshunter.io/ios/topics/amino-acid) · [learn amino acids](https://appshunter.io/ios/topics/learn-amino-acids) · [amino acid flashcards](https://appshunter.io/ios/topics/amino-acid-flashcards) · [amino acid academy](https://appshunter.io/ios/topics/amino-acid-academy) · [amino acid quiz](https://appshunter.io/ios/topics/amino-acid-quiz) · [amino acid game](https://appshunter.io/ios/topics/amino-acid-game) · [learn amino acids app](https://appshunter.io/ios/topics/learn-amino-acids-app) --- *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 2026-06-23.*