# Physics Formula Library by CS vs Physics Handbook

The clearest difference is ads: Physics Handbook at none against Physics Formula Library by CS's shown. Physics Handbook also leads on update cadence (every 4 days vs every 6 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Physics Formula Library by CS sells 1 one-off in-app purchase and Physics Handbook sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Physics Formula Library by CS ships an update every 6 months, Physics Handbook every 4 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Physics Formula Library by CS | Physics Handbook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 4 days** |
| Size | 10 MB | 36 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [Oleg Korunov](https://appshunter.io/developer/6811071409) |

## 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 |


### Physics Handbook

[App page](https://appshunter.io/ios/app/physics-handbook-formulas/id6811815476)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics Pro — Monthly | $1.99 | per month |
| Physics Pro — Yearly | $9.99 | per year |
| Physics Pro — Lifetime | $19.99 | one-time |


## 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 Physics Handbook free?

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

### Do Physics Formula Library by CS or Physics Handbook have ads?

Physics Formula Library by CS shows ads; Physics Handbook does not.

### Which is updated more often, Physics Formula Library by CS or Physics Handbook?

Physics Formula Library by CS ships an update every 6 months, and Physics Handbook every 4 days. Most recently, Physics Formula Library by CS was updated on October 20, 2026 and Physics Handbook 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.*