# Zero Gravity Birds vs Save The World

The clearest difference is in-app purchases: Zero Gravity Birds at none against Save The World's 8. Zero Gravity Birds 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. Save The World sells 8 one-off in-app purchases. Zero Gravity Birds asks for nothing beyond the download.

## The numbers

| Metric | Zero Gravity Birds | Save The World |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 4 weeks |
| Size | 113 MB | 294 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Soham Khunt](https://appshunter.io/developer/1532009634) | [ferhat kocaman](https://appshunter.io/developer/1706372739) |

## What reviewers say

### Zero Gravity Birds

[App page](https://appshunter.io/ios/app/zero-gravity-birds/id6749266946)

**Features:** macOS Compatibility

**In-app purchases:** none


### Save The World

[App page](https://appshunter.io/ios/app/save-the-world-space/id6759857353)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Diamonds | $0.99 | one-time |
| 5000 Diamonds | $3.99 | one-time |
| 10000 Diamonds | $8.99 | one-time |
| 25000 Diamonds | $22.99 | one-time |
| 50000 Diamonds | $44.99 | one-time |
| 100000 Diamonds | $89.99 | one-time |
| 250000 Diamonds | $179.99 | one-time |
| 50000 Diamonds | $299.99 | one-time |


## Frequently asked questions

### Is Zero Gravity Birds free?

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

### Is Save The World free?

Save The World is free to download, with in-app purchases available.

### Do Zero Gravity Birds or Save The World have ads?

Both Zero Gravity Birds and Save The World 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.*