# Chemical Formulas Quiz vs Memory training exercises

The clearest difference is price: Chemical Formulas Quiz at Free against Memory training exercises's $6.99. Chemical Formulas Quiz also leads on iOS requirement (11 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

Chemical Formulas Quiz is free to download; Memory training exercises costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Chemical Formulas Quiz | Memory training exercises |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/chemical-formulas-quiz/id1338676361/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 9 MB | 69 MB |
| Requires iOS | **11** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marijn Dillen](https://appshunter.io/developer/1276712320) | [Blupry](https://appshunter.io/developer/1737667517) |

## What reviewers say

### Chemical Formulas Quiz

[App page](https://appshunter.io/ios/app/chemical-formulas-quiz/id1338676361)

Master chemical formulas through engaging multiple-choice quizzes. Learn inorganic and organic substances and ions commonly taught in high school. The app provides common and systematic names to aid your learning.

**Highlights:** Learn inorganic and organic formulas, Multiple choice quizzes, Common and systematic names, High school curriculum focus, Free to play

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

**In-app purchases:** none


### Memory training exercises

[App page](https://appshunter.io/ios/app/memory-training-exercises/id6789877809)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chemical Formulas Quiz free?

Chemical Formulas Quiz is free to download, with no in-app purchases.

### Is Memory training exercises free?

Memory training exercises costs $6.99, with no in-app purchases.

### Do Chemical Formulas Quiz or Memory training exercises have ads?

Neither Chemical Formulas Quiz nor Memory training exercises shows ads.

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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.*