# Physics Formula Library by CS vs Python Basics Quiz  Pro

The clearest difference is price: Physics Formula Library by CS at Free against Python Basics Quiz  Pro's $0.49. Python Basics Quiz  Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown).

Physics Formula Library by CS is free to download; Python Basics Quiz  Pro costs $0.49 up front. Physics Formula Library by CS sells 1 one-off in-app purchase. Python Basics Quiz  Pro asks for nothing beyond the download.

## The numbers

| Metric | Physics Formula Library by CS | Python Basics Quiz  Pro |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | — |
| Size | 10 MB | 21 MB |
| Requires iOS | 18.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Physics Formula Library by CS

[App page](https://appshunter.io/ios/app/physics-formula-library-by-cs/id6752376666)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $1.99 | one-time |


### Python Basics Quiz  Pro

[App page](https://appshunter.io/ios/app/python-basics-quiz-pro/id6756485394)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physics Formula Library by CS free?

Physics Formula Library by CS is free to download, with in-app purchases available.

### Is Python Basics Quiz  Pro free?

Python Basics Quiz  Pro costs $0.49, with no in-app purchases.

### Do Physics Formula Library by CS or Python Basics Quiz  Pro have ads?

Physics Formula Library by CS shows ads; Python Basics Quiz  Pro does not.

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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.*