# Chempuz vs BuzzQ

The clearest difference is in-app purchases: BuzzQ at none against Chempuz's 2. BuzzQ also leads on ads (none vs shown) and update cadence (every 3 days vs every 5 weeks). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. Chempuz sells 2 one-off in-app purchases. BuzzQ asks for nothing beyond the download.

Chempuz ships an update every 5 weeks, BuzzQ every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chempuz | BuzzQ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 57 MB | 38 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [TomatoAppLab](https://appshunter.io/developer/1676711750) | [Yuto Sugomori](https://appshunter.io/developer/6813889534) |

## What reviewers say

### Chempuz

[App page](https://appshunter.io/ios/app/chempuz/id6446211267)

Learn organic chemistry basics by creating molecules and completing puzzles. Trace functional groups to build compounds, score higher with complex structures, and use flashcards to memorize names. Enjoy learning through engaging gameplay.

**Highlights:** Create organic molecules by tracing functional groups, Build approximately 100 types of organic molecules, Score higher with more complex compound creation, Collect discovered compounds, Memorize molecule names with flashcards, Learn organic chemistry through gameplay

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 gem | $0.29 | one-time |
| 10 gems | $1.99 | one-time |


### BuzzQ

[App page](https://appshunter.io/ios/app/buzzq/id6813889532)

Engage in real-time English quiz battles against players worldwide or with friends. Master English vocabulary and grammar through interactive gameplay and review past questions to improve your skills. Customize your experience with collectible button designs.

**Highlights:** Online real-time quiz battles, Play with friends via room codes, Practice mode with selectable difficulty, Review questions with Japanese translations, Customize quiz buttons with collected coins, Daily login bonuses and missions

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

**In-app purchases:** none


## Frequently asked questions

### Is Chempuz free?

Chempuz is free to download, with in-app purchases available.

### Is BuzzQ free?

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

### Do Chempuz or BuzzQ have ads?

Chempuz shows ads; BuzzQ does not.

### Which is updated more often, Chempuz or BuzzQ?

Chempuz ships an update every 5 weeks, and BuzzQ every 3 days. Most recently, Chempuz was updated on November 3, 2026 and BuzzQ on October 31, 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.*