# Sky Balls! vs Stack Order

The clearest difference is in-app purchases: Sky Balls! at none against Stack Order's 2. Sky Balls! also leads on iOS requirement (11.0 vs 13.0). Stack Order's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Stack Order sells 2 one-off in-app purchases. Sky Balls! asks for nothing beyond the download.

## The numbers

| Metric | Sky Balls! | Stack Order |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Weekly |
| Size | 114 MB | 179 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Linkadoo](https://appshunter.io/developer/1535013816) | [Gloryway Puzzle](https://appshunter.io/developer/1853465960) |

## What reviewers say

### Sky Balls!

[App page](https://appshunter.io/ios/app/sky-balls/id6444110411)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Order

[App page](https://appshunter.io/ios/app/stack-order-card-sort-games/id6762169694)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoAds | $7.99 | one-time |
| Ad Free Pack | $12.99 | one-time |


## Frequently asked questions

### Is Sky Balls! free?

Sky Balls! is free to download, with no in-app purchases.

### Is Stack Order free?

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

### Do Sky Balls! or Stack Order have ads?

Sky Balls! shows ads; Stack Order does not.

---

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