# Online PCMB vs Physics Handbook

The clearest difference is update cadence: Physics Handbook at every 4 days against Online PCMB's every 20 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Online PCMB sells 10 one-off in-app purchases 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.

Online PCMB ships an update every 20 months, Physics Handbook every 4 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Online PCMB | Physics Handbook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 4 days** |
| Size | 147 MB | 36 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [Oleg Korunov](https://appshunter.io/developer/6811071409) |

## What reviewers say

### Online PCMB

[App page](https://appshunter.io/ios/app/online-pcmb/id6479245121)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - CA | $179.99 | one-time |
| Package - CC | $199.99 | one-time |
| Package - CF | $199.99 | one-time |
| Package - CD | $199.99 | one-time |
| Package - CJ | $399.99 | one-time |
| Package - CK | $449.99 | one-time |
| Package - CM | $599.99 | one-time |
| Package - CN | $699.99 | one-time |
| Package - CO | $799.99 | one-time |
| Package - CP | $899.99 | 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 Online PCMB free?

Online PCMB 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 Online PCMB or Physics Handbook have ads?

Neither Online PCMB nor Physics Handbook shows ads.

### Which is updated more often, Online PCMB or Physics Handbook?

Online PCMB ships an update every 20 months, and Physics Handbook every 4 days. Most recently, Online PCMB was updated on October 9, 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.*