# A Balloon Dream vs Gravity OB1

The clearest difference is in-app purchases: A Balloon Dream at none against Gravity OB1's 1. Gravity OB1's advantage is ads (none vs shown) and iOS requirement (13.4 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Gravity OB1 sells 1 one-off in-app purchase. A Balloon Dream asks for nothing beyond the download.

## The numbers

| Metric | A Balloon Dream | Gravity OB1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 5 days |
| Size | 62 MB | 25 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kuark](https://appshunter.io/developer/1606787821) | [Q8blog](https://appshunter.io/developer/380669318) |

## What reviewers say

### A Balloon Dream

[App page](https://appshunter.io/ios/app/a-balloon-dream/id6475763856)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gravity OB1

[App page](https://appshunter.io/ios/app/gravity-ob1/id6788852525)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $3.99 | one-time |


## Frequently asked questions

### Is A Balloon Dream free?

A Balloon Dream is free to download, with no in-app purchases.

### Is Gravity OB1 free?

Gravity OB1 is free to download, with in-app purchases available.

### Do A Balloon Dream or Gravity OB1 have ads?

A Balloon Dream shows ads; Gravity OB1 does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*