# Physics 9 vs H

Physics 9 and H are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Physics 9 | H |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 20 MB | 21 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dung Nguyen Tan](https://appshunter.io/developer/1861117383) | [Thu Nguyen Thi Anh](https://appshunter.io/developer/1895692803) |

## What reviewers say

### Physics 9

[App page](https://appshunter.io/ios/app/physics-9/id6756515845)

**Features:** macOS Compatibility

**In-app purchases:** none


### H

[App page](https://appshunter.io/ios/app/h-option-collapse/id6764225601)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physics 9 free?

Physics 9 is free to download, with no in-app purchases.

### Is H free?

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

### Do Physics 9 or H have ads?

Neither Physics 9 nor H 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.*