# SayZy vs Physics 9

The clearest difference is in-app purchases: Physics 9 at none against SayZy's 2. Physics 9 also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. SayZy sells 2 in-app purchases, starting at $0.99 per month. Physics 9 asks for nothing beyond the download.

## The numbers

| Metric | SayZy | Physics 9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/physics-9/id6756515845/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 100 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lybia](https://appshunter.io/developer/1773336737) | [Dung Nguyen Tan](https://appshunter.io/developer/1861117383) |

## What reviewers say

### SayZy

[App page](https://appshunter.io/ios/app/sayzy/id6737750860)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Become a sponsor | $0.99 | per month |
| Buy me a coffee | $0.99 | one-time |


### Physics 9

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SayZy free?

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

### Is Physics 9 free?

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

### Do SayZy or Physics 9 have ads?

Neither SayZy nor Physics 9 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.*