Comparison

Amino Acid Guide vs Chirality

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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.)
Features
Read full description

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.

About

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.

Highlights
  • Interactive puzzles
  • Learn organic chemistry concepts
  • Drag and drop interface
  • Progress tracking
  • Medal system
  • Timed modes
  • Fun facts
Features
Read full description

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

Amino Acid Guide4 screens
Chirality4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Amino Acid Guide sells 1 one-off in-app purchase. Chirality asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Amino Acid Guide versus Chirality: the parameters behind the verdict, then further details
ParameterAmino Acid GuideChirality
PriceFreeFree
Rating3.6 (14 ratings)4.6 (14 ratings) — better
Positive reviews53.8% of reviews80.0% of reviews — better
Number of ratings1414
Update frequencyEvery 4 weeks — betterEvery 41 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size83 MB224 MB
Age rating4+4+
DeveloperAxton PittMichelle Spencer

Customer experience

Amino Acid Guide

All ratings14 ratings
Positive64.3%
Neutral7.1%
Negative28.6%
Written reviews13 reviews
Positive53.8%
Neutral15.4%
Negative30.8%

Chirality

All ratings14 ratings
Positive92.9%
Neutral0.0%
Negative7.1%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

1 purchases

Amino Acid Guide

One-time1
  • Quiz$2.99
None

Chirality

No in-app purchases

Questions

Is Amino Acid Guide free?
Amino Acid Guide is free to download, with in-app purchases available.
Is Chirality free?
Chirality is free to download, with no in-app purchases.
Which has better reviews, Amino Acid Guide or Chirality?
Chirality is rated higher. Amino Acid Guide averages 3.6 out of 5 from 14 ratings, while Chirality averages 4.6 from 14 ratings.
Do Amino Acid Guide or Chirality have ads?
Neither Amino Acid Guide nor Chirality shows ads.
Which is updated more often, Amino Acid Guide or Chirality?
Amino Acid Guide ships an update every 4 weeks, and Chirality every 41 months. Most recently, Amino Acid Guide was updated on November 1, 2026 and Chirality on November 2, 2026.

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