# Chemical Formulas Quiz vs CircleMap

The clearest difference is update cadence: CircleMap at daily against Chemical Formulas Quiz's every 3 months. CircleMap also leads on rating (4.7 vs 4.4). Chemical Formulas Quiz's advantage is iOS requirement (11 vs 16.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CircleMap holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

Chemical Formulas Quiz ships an update every 3 months, CircleMap daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Chemical Formulas Quiz | CircleMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/chemical-formulas-quiz/id1338676361/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/circlemap/id6749683203/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | Free |
| Size | 9 MB | 29 MB |
| Requires iOS | **11** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marijn Dillen](https://appshunter.io/developer/1276712320) | [Supparsorn Wantarnagon](https://appshunter.io/developer/1800705021) |

## 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


### CircleMap

[App page](https://appshunter.io/ios/app/circlemap/id6749683203)

This app makes learning the unit circle and polar graphs interactive and fun. It offers customizable quizzes for angles, radians, and coordinates, along with a mode to visualize polar equations in both polar and Cartesian systems. It's designed to build confidence and speed in trigonometry and calculus.

**Highlights:** Interactive unit circle quizzes, Customizable angle and radian practice, Polar equation input and graphing, Dual polar and Cartesian visualization, Real-time graph exploration, Instant feedback and score tracking

**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 CircleMap free?

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

### Which has better reviews, Chemical Formulas Quiz or CircleMap?

CircleMap is rated higher. Chemical Formulas Quiz averages 4.4 out of 5 from 7 ratings, while CircleMap averages 4.7 from 3 ratings.

### Do Chemical Formulas Quiz or CircleMap have ads?

Neither Chemical Formulas Quiz nor CircleMap shows ads.

### Which is updated more often, Chemical Formulas Quiz or CircleMap?

Chemical Formulas Quiz ships an update every 3 months, and CircleMap daily. Most recently, Chemical Formulas Quiz was updated on October 24, 2026 and CircleMap on October 24, 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.*