# MCMMCD vs Periodic Table Quiz

The clearest difference is in-app purchases: MCMMCD at none against Periodic Table Quiz's 1. MCMMCD also leads on ads (none vs shown) and iOS requirement (8.0 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. MCMMCD asks for nothing beyond the download.

MCMMCD ships an update every 15 months, Periodic Table Quiz every 9 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | MCMMCD | Periodic Table Quiz |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 9 months** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 85 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Giovanni Bellu'](https://appshunter.io/developer/656437500) | [Atlas Educational Software](https://appshunter.io/developer/1625613074) |

## What reviewers say

### MCMMCD

[App page](https://appshunter.io/ios/app/mcmmcd/id658151919)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is MCMMCD free?

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

### Is Periodic Table Quiz free?

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

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

Periodic Table Quiz shows ads; MCMMCD does not.

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

MCMMCD ships an update every 15 months, and Periodic Table Quiz every 9 months. Most recently, MCMMCD was updated on November 1, 2026 and Periodic Table Quiz on November 6, 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.*