Amino Acid Guide vs Chirality
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Amino Acid Guide
Explore the properties and structures of all 20 amino acids with detailed diagrams and 3D models. Test your knowledge with various quiz types, and access daily learning prompts on your Apple Watch.
- Browse amino acid properties
- 3D animated and 2D structural models
- Multiple quiz types
- iPad multitasking support
- Apple Watch daily learning feature
- Detailed data points (Codons, Polarity, etc.)
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Learn, Quiz, Repeat. - This is a great tool if you are just starting out and need to learn about amino acids, or if you have lots of experience and want a handy reference with you wherever you go. Learn: - Browse through each amino acid and learn about its specific properties. Use the provided diagrams to learn the functional group structure of all 20 amino acids. - There are many data points available from Codons and Polarity, to Molar Mass and Density. - 3D animated Ball and Stick, and Space Filling models; 2D Structure, Simplified and Functional Group images, help you learn the chemical structure of each amino acid. Quiz: - Test what you have learnt wherever you are. - 8 quiz types (more coming): 2D structure, Functional group, Three letter code, Single letter code, Polarity, Essential, Simplified structure and Everything. - Includes a free set of questions, then an In-App Purchase unlocks unlimited questions. iPad: - Multitask! Take advantage of slide-over and split-view multitasking on compatible iPad models. - This lets you look at your notes from class while you quiz your knowledge. Apple Watch: - Learn everything about amino acids, right on your wrist. - Daily Amino Acid, a fun Glance to see a new amino acid every day and keep you motivated to learn. Follow us on Twitter at @aminoacidguide or facebook.com/aminoacidguide for updates.
Chirality
This educational game makes learning organic chemistry engaging through interactive puzzles and quizzes. It covers fundamental concepts like functional groups, isomers, and molecule naming using intuitive touch controls. Track your progress, earn medals, and compete with friends.
- Interactive puzzles
- Learn organic chemistry concepts
- Drag and drop interface
- Progress tracking
- Medal system
- Timed modes
- Fun facts
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Learning Chemistry can be challenging. Chirality-2 is a game that aims to teach some fundamental concepts in 1st year University level organic chemistry in a fun and innovative way, using drag and drop and touch based interfaces to solve puzzles and answer questions. The topics covered are functional groups, structure classification, intermolecular forces, isomers, chiral carbons and naming of molecules. Look out for the timed modes and fun facts about the structures on some levels. Chirality-2 also lets you track your progress and compete with your classmates on social media. As you progress you’ll earn medals; the higher your score, the better the medal. Can you get the elusive blue-diamond benzene medal for the perfect score?
Screenshots
Verdict
The clearest difference is rating: Chirality at 4.6 against Amino Acid Guide's 3.6. Chirality also leads on in-app purchases (none vs 1) and review sentiment (80% vs 54%). Amino Acid Guide's advantage is update cadence (every 4 weeks vs every 41 months) and iOS requirement (10.0 vs 15.0). On price, ratings volume, ads and device support 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 Acid Guide sells 1 one-off in-app purchase. Chirality asks for nothing beyond the download.
Chirality holds the better App Store score, 4.6 against 3.6. Both are backed by a comparable volume of ratings — 14 and 14 respectively. Written reviews point the same way: 54% of Amino Acid Guide's written reviews are positive against 80% of Chirality's.
Amino Acid Guide ships an update every 4 weeks, Chirality every 41 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Amino Acid Guide | Chirality |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (14 ratings) | 4.6 (14 ratings) — better |
| Positive reviews | 53.8% of reviews | 80.0% of reviews — better |
| Number of ratings | 14 | 14 |
| Update frequency | Every 4 weeks — better | Every 41 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 83 MB | 224 MB |
| Age rating | 4+ | 4+ |
| Developer | Axton Pitt | Michelle Spencer |
Customer experience
Amino Acid Guide
Chirality
In-app purchases
Amino Acid Guide
- Quiz$2.99
Chirality
No in-app purchases
Questions
Is Amino Acid Guide free?
Is Chirality free?
Which has better reviews, Amino Acid Guide or Chirality?
Do Amino Acid Guide or Chirality have ads?
Which is updated more often, Amino Acid Guide or Chirality?
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