# Gravity Physics vs ScaleIt

The clearest difference is in-app purchases: Gravity Physics at none against ScaleIt's 4. Gravity Physics also leads on ads (none vs shown). ScaleIt's advantage is update cadence (every 3 days vs every 8 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ScaleIt sells 4 one-off in-app purchases. Gravity Physics asks for nothing beyond the download.

Gravity Physics ships an update every 8 days, ScaleIt every 3 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Gravity Physics | ScaleIt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Every 3 days** |
| Size | 6 MB | 110 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zoltan Homorodi](https://appshunter.io/developer/1583313543) | [Ozan Can OCAK](https://appshunter.io/developer/6807927872) |

## What reviewers say

### Gravity Physics

[App page](https://appshunter.io/ios/app/gravity-physics/id6785758114)

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

**In-app purchases:** none


### ScaleIt

[App page](https://appshunter.io/ios/app/scaleit-size-guess/id6809462270)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Competitive Credits | $0.99 | one-time |
| ScaleIt PRO | $1.99 | one-time |
| 20 Competitive Credits | $2.99 | one-time |
| 50 Competitive Credits | $5.99 | one-time |


## Frequently asked questions

### Is Gravity Physics free?

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

### Is ScaleIt free?

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

### Do Gravity Physics or ScaleIt have ads?

ScaleIt shows ads; Gravity Physics does not.

### Which is updated more often, Gravity Physics or ScaleIt?

Gravity Physics ships an update every 8 days, and ScaleIt every 3 days. Most recently, Gravity Physics was updated on October 31, 2026 and ScaleIt on November 6, 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.*