# Chirality vs ChemSpark

The clearest difference is in-app purchases: Chirality at none against ChemSpark's 5. Chirality also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.6). ChemSpark's advantage is update cadence (monthly vs every 41 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. ChemSpark sells 5 one-off in-app purchases. Chirality asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Chirality against 4.6 for ChemSpark. Both are backed by a comparable volume of ratings — 14 and 8 respectively.

Chirality ships an update every 41 months, ChemSpark monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chirality | ChemSpark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14 ratings)](https://appshunter.io/ios/app/chirality-2/id1251289926/reviews)** | [4.6 (8 ratings)](https://appshunter.io/ios/app/chemspark-chemistry-practice/id6746169230/reviews) |
| Number of ratings | **14** | 8 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 41 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 224 MB | 43 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michelle Spencer](https://appshunter.io/developer/1168523801) | [Lojas Software Corp](https://appshunter.io/developer/1799458054) |

## What reviewers say

### Chirality

[App page](https://appshunter.io/ios/app/chirality-2/id1251289926)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ChemSpark

[App page](https://appshunter.io/ios/app/chemspark-chemistry-practice/id6746169230)

Master chemistry concepts and prepare for exams with this comprehensive study tool. It offers a dynamic way to test knowledge across various topics, featuring diverse question types, visual learning aids, and detailed feedback to track progress and improve understanding.

**Highlights:** Extensive question bank with varying difficulty, Multiple question types (multiple-choice, fill-in-the-blank), Visual learning aids with images and diagrams, Detailed feedback and answer explanations, Structured learning by subject and topic, Progress tracking and score monitoring, Interactive testing interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Test Tube of Hints (25) | $0.99 | one-time |
| Combustion Skips (5) | $0.99 | one-time |
| Atomic Skips (15) | $1.99 | one-time |
| Beaker of Hints (60) | $2.99 | one-time |
| Flask of Hints (150) | $4.99 | one-time |


## Frequently asked questions

### Is Chirality free?

Chirality is free to download, with no in-app purchases.

### Is ChemSpark free?

ChemSpark is free to download, with in-app purchases available.

### Which has better reviews, Chirality or ChemSpark?

Chirality is rated higher. Chirality averages 4.6 out of 5 from 14 ratings, while ChemSpark averages 4.6 from 8 ratings.

### Do Chirality or ChemSpark have ads?

ChemSpark shows ads; Chirality does not.

### Which is updated more often, Chirality or ChemSpark?

Chirality ships an update every 41 months, and ChemSpark monthly. Most recently, Chirality was updated on October 29, 2026 and ChemSpark on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*