# iPhysics™ vs Chemical Formulas Quiz

The clearest difference is rating: Chemical Formulas Quiz at 4.4 against iPhysics™'s 3.5. Chemical Formulas Quiz also leads on review sentiment (100% vs 67%) and monetization model (free vs free with in-app purchases). iPhysics™'s advantage is ratings volume (22 vs 7) and iOS requirement (9.0 vs 11). On price, update cadence, 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.

Chemical Formulas Quiz holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 22 and 7 respectively. Written reviews point the same way: 67% of iPhysics™'s written reviews are positive against 100% of Chemical Formulas Quiz's.

iPhysics™ ships an update every 2 months, Chemical Formulas Quiz every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iPhysics™ | Chemical Formulas Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (22 ratings)](https://appshunter.io/ios/app/iphysics/id592372510/reviews) | **[4.4 (7 ratings)](https://appshunter.io/ios/app/chemical-formulas-quiz/id1338676361/reviews)** |
| Number of ratings | **22** | 7 |
| Positive reviews | 67.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 104 MB | 9 MB |
| Requires iOS | **9.0** | 11 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Antonio Giarrusso](https://appshunter.io/developer/1433879699) | [Marijn Dillen](https://appshunter.io/developer/1276712320) |

## What reviewers say

### iPhysics™

[App page](https://appshunter.io/ios/app/iphysics/id592372510)

This app serves as a personal physics tutor, offering clear explanations for over 70 topics. It helps students review formulas and theorems effectively and includes an advanced search for quick topic access. A Pro version offers more content, quizzes, and solved examples.

**Highlights:** Over 70 physics topics explained clearly, Effective synthesis for formulas and theorems, Advanced search algorithm, Interactive multiple-choice quizzes, Step-by-step solved examples, Pro version with additional topics

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iPhysics™ free?

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

### Is Chemical Formulas Quiz free?

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

### Which has better reviews, iPhysics™ or Chemical Formulas Quiz?

Chemical Formulas Quiz is rated higher. iPhysics™ averages 3.5 out of 5 from 22 ratings, while Chemical Formulas Quiz averages 4.4 from 7 ratings.

### Do iPhysics™ or Chemical Formulas Quiz have ads?

Neither iPhysics™ nor Chemical Formulas Quiz shows ads.

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

iPhysics™ ships an update every 2 months, and Chemical Formulas Quiz every 3 months. Most recently, iPhysics™ was updated on October 26, 2026 and Chemical Formulas Quiz 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.*