# Perfect Stack vs Sky Stack

The clearest difference is in-app purchases: Perfect Stack at none against Sky Stack's 10. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sky Stack sells 10 one-off in-app purchases. Perfect Stack asks for nothing beyond the download.

## The numbers

| Metric | Perfect Stack | Sky Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | — |
| Size | 4 MB | 18 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Berna Ibrahimli](https://appshunter.io/developer/1842394944) | [Gigabyte LLC](https://appshunter.io/developer/1145126101) |

## What reviewers say

### Perfect Stack

[App page](https://appshunter.io/ios/app/perfect-stack-offline-games/id6754507785)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sky Stack

[App page](https://appshunter.io/ios/app/sky-stack-tower-block-game/id6760783698)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 coins | $1.99 | one-time |
| Style Pack Celestial | $1.99 | one-time |
| Starter Bundle | $2.99 | one-time |
| Piggy Bank | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| 1400 coins | $4.99 | one-time |
| Season Pass | $5.99 | one-time |
| 3500 Coins | $9.99 | one-time |
| 8000 Coins | $19.99 | one-time |
| 25000 Coins | $49.99 | one-time |


## Frequently asked questions

### Is Perfect Stack free?

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

### Is Sky Stack free?

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

### Do Perfect Stack or Sky Stack have ads?

Both Perfect Stack and Sky Stack 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.*