Amino Acids OTG vs Biomolecules
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Amino Acids OTG
Master amino acids with interactive flashcards and dynamic quizzes. Access comprehensive details, track your progress, and study offline in multiple languages. Customize your learning for focused study sessions.
- Interactive flashcards
- Customizable quizzes
- Detailed amino acid information
- Progress tracking
- Multilingual support
- Offline access
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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/
Biomolecules
Explore the properties and functions of biomolecules with this educational app. It covers basic chemistry topics essential for understanding biological molecules and their processes. This is part of a series designed for anyone interested in general, organic, and biological chemistry.
- Learn basic chemistry topics
- Explore biomolecule properties
- Understand biomolecule functions
- Study general chemistry
- Study organic chemistry
- Study biological chemistry
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With Biomolecules: Functional groups app you are able to learn basic chemistry topics that can help you in exploring the properties and functions of biomolecules. This app is the part of the Biomolecules app series which is being developed to help anyone interested in learning General, Organic and Biological Chemistry topics related to biomolecules and the processes in which they are involved.
Screenshots
Verdict
The clearest difference is rating: Amino Acids OTG at 5.0 against Biomolecules's 4.0. Biomolecules's advantage is in-app purchases (none vs 2) and update cadence (every 2 weeks vs every 3 months). On price, ratings volume, ads and monetization model 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. Amino Acids OTG sells 2 in-app purchases, starting at $1.99 per month. Biomolecules asks for nothing beyond the download.
Amino Acids OTG holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Amino Acids OTG ships an update every 3 months, Biomolecules every 2 weeks. Both last shipped on November 3, 2026.
| Parameter | Amino Acids OTG | Biomolecules |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 158 MB |
| Age rating | 4+ | 4+ |
| Developer | Japality Limited | Carolina Biological Supply |
Customer experience
Amino Acids OTG
Biomolecules
In-app purchases
Amino Acids OTG
- Premium (Monthly)$1.991 Month
- Premium (Annual)$14.991 Year
Biomolecules
No in-app purchases
Questions
Is Amino Acids OTG free?
Is Biomolecules free?
Which has better reviews, Amino Acids OTG or Biomolecules?
Do Amino Acids OTG or Biomolecules have ads?
Which is updated more often, Amino Acids OTG or Biomolecules?
Other comparisons
