# Chemyst vs Alchemy Odyssey

The clearest difference is ads: Chemyst at none against Alchemy Odyssey's shown. Chemyst also leads on iOS requirement (8.0 vs 12.0). Alchemy Odyssey's advantage is update cadence (weekly vs every 3 weeks). On price, in-app purchases and device support there is nothing between them.

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

Chemyst ships an update every 3 weeks, Alchemy Odyssey weekly. The most recent releases landed on September 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Chemyst | Alchemy Odyssey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (130 ratings)](https://appshunter.io/ios/app/chemyst/id1477871260/reviews)** | — |
| Number of ratings | **130** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 105 MB | 105 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Medeiros](https://appshunter.io/developer/1091004600) | [AIMDEE](https://appshunter.io/developer/785401196) |

## What reviewers say

### Chemyst

[App page](https://appshunter.io/ios/app/chemyst/id1477871260)

Experiment with basic elements to discover new compounds and molecules. Mix up to four elements, observe reactions, and unlock new discoveries. Hints are provided for non-reactive mixtures, and information about discovered elements is available.

**Highlights:** Mix up to four elements, Discover new compounds and molecules, Unlock new elements, View element information and Wikipedia pages, Receive hints for reactions, Leaderboards and achievements

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

**In-app purchases:** none


### Alchemy Odyssey

[App page](https://appshunter.io/ios/app/alchemy-odyssey/id6476626423)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chemyst free?

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

### Is Alchemy Odyssey free?

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

### Do Chemyst or Alchemy Odyssey have ads?

Alchemy Odyssey shows ads; Chemyst does not.

### Which is updated more often, Chemyst or Alchemy Odyssey?

Chemyst ships an update every 3 weeks, and Alchemy Odyssey weekly. Most recently, Chemyst was updated on September 1, 2026 and Alchemy Odyssey on September 20, 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.*