# Chemical Elements Practice vs Vivarium

The clearest difference is in-app purchases: Vivarium at none against Chemical Elements Practice's 1. Vivarium also leads on update cadence (daily vs monthly). Chemical Elements Practice's advantage is iOS requirement (13.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Chemical Elements Practice sells 1 one-off in-app purchase. Vivarium asks for nothing beyond the download.

Chemical Elements Practice ships an update monthly, Vivarium daily. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Chemical Elements Practice | Vivarium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (38 ratings)](https://appshunter.io/ios/app/chemical-elements-practice/id1581952820/reviews)** | — |
| Number of ratings | **38** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free | — |
| Size | 30 MB | 14 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Philipp Straub](https://appshunter.io/developer/1573167056) | [Hans Renz](https://appshunter.io/developer/861362527) |

## What reviewers say

### Chemical Elements Practice

[App page](https://appshunter.io/ios/app/chemical-elements-practice/id1581952820)

Master the periodic table with an adaptive learning system. This app uses spaced repetition and two distinct study modes to build long-term memory of element symbols, names, and relationships. Track your progress with category tests and access a full element browser.

**Highlights:** Adaptive spaced repetition, Multiple Choice mode, Self-Assessment mode, All 118 elements included, Category tests, Full card browser, Customizable study settings

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $3.99 | one-time |


### Vivarium

[App page](https://appshunter.io/ios/app/vivarium/id6760226672)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chemical Elements Practice free?

Chemical Elements Practice is free to download, with in-app purchases available.

### Is Vivarium free?

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

### Do Chemical Elements Practice or Vivarium have ads?

Neither Chemical Elements Practice nor Vivarium shows ads.

### Which is updated more often, Chemical Elements Practice or Vivarium?

Chemical Elements Practice ships an update monthly, and Vivarium daily. Most recently, Chemical Elements Practice was updated on October 7, 2026 and Vivarium on October 19, 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.*