# Chirality vs ChemNotes

The clearest difference is update cadence: ChemNotes at every 2 weeks against Chirality's every 41 months. Chirality's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chirality ships an update every 41 months, ChemNotes every 2 weeks. The most recent releases landed on September 21, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Chirality | ChemNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14 ratings)](https://appshunter.io/ios/app/chirality-2/id1251289926/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 224 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michelle Spencer](https://appshunter.io/developer/1168523801) | [SOROOSH GHAREHGOZLO](https://appshunter.io/developer/1851464333) |

## 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


### ChemNotes

[App page](https://appshunter.io/ios/app/chemnotes/id6755041959)

**In-app purchases:** none


## Frequently asked questions

### Is Chirality free?

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

### Is ChemNotes free?

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

### Do Chirality or ChemNotes have ads?

Neither Chirality nor ChemNotes shows ads.

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

Chirality ships an update every 41 months, and ChemNotes every 2 weeks. Most recently, Chirality was updated on September 21, 2026 and ChemNotes on September 28, 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.*