# Periodic Table Quiz vs Testbusters

The clearest difference is rating: Periodic Table Quiz at 4.8 against Testbusters's 1.0. Periodic Table Quiz also leads on ratings volume (409 vs 1) and iOS requirement (13.0 vs 15.1). Testbusters's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

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

Periodic Table Quiz holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Periodic Table Quiz has 409 ratings behind it against 1, so its average is the more settled of the two.

Periodic Table Quiz ships an update every 9 months, Testbusters every 10 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Periodic Table Quiz | Testbusters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (409 ratings)](https://appshunter.io/ios/app/periodic-table-quiz/id1291141314/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/testbusters/id6754759157/reviews) |
| Number of ratings | **409** | 1 |
| Positive reviews | 91.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 85 MB | 40 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atlas Educational Software](https://appshunter.io/developer/1625613074) | [Squezy S.R.L.](https://appshunter.io/developer/1338710332) |

## 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


### Testbusters

[App page](https://appshunter.io/ios/app/testbusters/id6754759157)

Prepare for university admission tests with a comprehensive simulator featuring thousands of updated questions. Track your progress with detailed statistics and practice anytime, anywhere. Offers free simulations to discover the study method.

**Highlights:** Thousands of updated admission test questions, Realistic simulation experience, Detailed progress statistics, Practice anytime, anywhere, Synchronization with web app, Free simulation selection

**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 Testbusters free?

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

### Which has better reviews, Periodic Table Quiz or Testbusters?

Periodic Table Quiz is rated higher. Periodic Table Quiz averages 4.8 out of 5 from 409 ratings, while Testbusters averages 1.0 from 1 ratings.

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

Periodic Table Quiz shows ads; Testbusters does not.

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

Periodic Table Quiz ships an update every 9 months, and Testbusters every 10 days. Most recently, Periodic Table Quiz was updated on October 29, 2026 and Testbusters on October 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.*