# Turn4 vs Gravity 4 Strategy

The clearest difference is in-app purchases: Turn4 at none against Gravity 4 Strategy's 1. Gravity 4 Strategy's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Gravity 4 Strategy sells 1 one-off in-app purchase. Turn4 asks for nothing beyond the download.

## The numbers

| Metric | Turn4 | Gravity 4 Strategy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Weekly |
| Size | 11 MB | 29 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Carl Cowan](https://appshunter.io/developer/892592396) | [Samuel Jocelyn](https://appshunter.io/developer/635119562) |

## What reviewers say

### Turn4

[App page](https://appshunter.io/ios/app/turn4/id1202707011)

**In-app purchases:** none


### Gravity 4 Strategy

[App page](https://appshunter.io/ios/app/gravity-4-strategy/id6761395131)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gravity 4 Strategy - NoAds | $2.99 | one-time |


## Frequently asked questions

### Is Turn4 free?

Turn4 is free to download, with no in-app purchases.

### Is Gravity 4 Strategy free?

Gravity 4 Strategy is free to download, with in-app purchases available.

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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.*