# Physica vs Physics by Voice

The clearest difference is in-app purchases: Physics by Voice at none against Physica's 6. Physics by Voice also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Physica sells 6 in-app purchases, starting at $6.99 per month. Physics by Voice asks for nothing beyond the download.

## The numbers

| Metric | Physica | Physics by Voice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Size | 108 MB | 4 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lojas Software Corp](https://appshunter.io/developer/1799458054) | [Aishat Perez](https://appshunter.io/developer/1836701734) |

## What reviewers say

### Physica

[App page](https://appshunter.io/ios/app/physica-discover-physics/id6767663716)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physica Pro (Monthly) | $6.99 | per month |
| 25 Hints - Photon Pack | $0.99 | one-time |
| 5 Skips - Tachyon Pack | $0.99 | one-time |
| 60 Hints - Kinetic Bundle | $1.99 | one-time |
| 15 Skips - Wormhole Bundle | $1.99 | one-time |
| 150 Hints · Photon Pack | $3.99 | one-time |


### Physics by Voice

[App page](https://appshunter.io/ios/app/physics-by-voice/id6792253923)

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

**In-app purchases:** none


## Frequently asked questions

### Is Physica free?

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

### Is Physics by Voice free?

Physics by Voice is free to download, with no in-app purchases.

### Do Physica or Physics by Voice have ads?

Physica shows ads; Physics by Voice 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.*