# Zvezda vs Physics Handbook

The clearest difference is in-app purchases: Zvezda at none against Physics Handbook's 3. Physics Handbook's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Physics Handbook sells 3 in-app purchases, starting at $1.99 per month. Zvezda asks for nothing beyond the download.

## The numbers

| Metric | Zvezda | Physics Handbook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 49 MB | 66 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Silvertel LLC](https://appshunter.io/developer/1878459473) | [Oleg Korunov](https://appshunter.io/developer/6811071409) |

## What reviewers say

### Zvezda

[App page](https://appshunter.io/ios/app/zvezda-expert-advice/id6736699980)

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics Handbook

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

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo 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 Zvezda free?

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

### Is Physics Handbook free?

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

### Do Zvezda or Physics Handbook have ads?

Neither Zvezda nor Physics Handbook shows ads.

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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.*