# Impulse vs Gravity Block

The clearest difference is in-app purchases: Gravity Block at none against Impulse's 3. Gravity Block also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

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

## The numbers

| Metric | Impulse | Gravity Block |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | — |
| Size | 13 MB | 12 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [STUDIOS RAXOON INC](https://appshunter.io/developer/1798586949) | [Tahsin Efe Yilmaz](https://appshunter.io/developer/6788741454) |

## What reviewers say

### Impulse

[App page](https://appshunter.io/ios/app/impulse-jeux-de-reflexes/id6795942601)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Impulse - Monthly support | $1.99 | per month |
| Yearly support | $12.99 | per year |
| No ads | $2.99 | one-time |


### Gravity Block

[App page](https://appshunter.io/ios/app/gravity-block-puzzle/id6809222997)

**In-app purchases:** none


## Frequently asked questions

### Is Impulse free?

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

### Is Gravity Block free?

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

### Do Impulse or Gravity Block have ads?

Both Impulse and Gravity Block show 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.*