# Periodic Table Quiz vs leARnCHEM

The clearest difference is in-app purchases: leARnCHEM at none against Periodic Table Quiz's 1. leARnCHEM also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Periodic Table Quiz sells 1 one-off in-app purchase. leARnCHEM asks for nothing beyond the download.

Periodic Table Quiz ships an update every 9 months, leARnCHEM every 7 months. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Periodic Table Quiz | leARnCHEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (409 ratings)](https://appshunter.io/ios/app/periodic-table-quiz/id1291141314/reviews)** | — |
| Number of ratings | **409** | — |
| Positive reviews | 91.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 7 months** |
| Monetization | Free with in-app purchases | — |
| Size | 85 MB | 437 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atlas Educational Software](https://appshunter.io/developer/1625613074) | [University of Toronto](https://appshunter.io/developer/502878898) |

## What reviewers say

### Periodic Table Quiz

[App page](https://appshunter.io/ios/app/periodic-table-quiz/id1291141314)

Enhance your understanding of chemical elements through interactive quizzes. Choose from various question formats and configurations to test your knowledge of atomic numbers, symbols, and weights for all 118 elements. The app supports multiple languages and offers additional features through an in-app purchase.

**Highlights:** Customizable quizzes, Multiple choice questions, Text input questions, Element identification, Name to Atomic Number, Atomic Symbol to Name, Multi-language support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful for learning
- 💡 Customizable quiz options
- 🎨 Nice visual design
- 🏆 Effective for memorization

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔤 Spelling/grammar errors in translations
- 🔘 Difficulty selecting elements in custom mode

**Reported bugs**

- App crashes when selecting all Actinides
- Incorrect atomic number displayed for some elements

**Requested features**

- Add a leaderboard or competition mode
- Implement audio pronunciation of element names
- Allow saving/loading favorite quiz configurations


### leARnCHEM

[App page](https://appshunter.io/ios/app/learnchem/id1634480997)

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

**In-app purchases:** none


## Frequently asked questions

### Is Periodic Table Quiz free?

Periodic Table Quiz is free to download, with in-app purchases available.

### Is leARnCHEM free?

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

### Do Periodic Table Quiz or leARnCHEM have ads?

Periodic Table Quiz shows ads; leARnCHEM does not.

### Which is updated more often, Periodic Table Quiz or leARnCHEM?

Periodic Table Quiz ships an update every 9 months, and leARnCHEM every 7 months. Most recently, Periodic Table Quiz was updated on October 22, 2026 and leARnCHEM on October 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.*