# PiyoWalk vs Alien Whack Attack

The clearest difference is in-app purchases: Alien Whack Attack at none against PiyoWalk's 1. Alien Whack Attack also leads on iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. PiyoWalk sells 1 one-off in-app purchase. Alien Whack Attack asks for nothing beyond the download.

## The numbers

| Metric | PiyoWalk | Alien Whack Attack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | — | Every 5 weeks |
| Size | 310 MB | 105 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Masayuki Takagi](https://appshunter.io/developer/1544169886) | [Shinya Okubo](https://appshunter.io/developer/1831635146) |

## What reviewers say

### PiyoWalk

[App page](https://appshunter.io/ios/app/piyowalk/id6458646631)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


### Alien Whack Attack

[App page](https://appshunter.io/ios/app/alien-whack-attack/id6749657163)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PiyoWalk free?

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

### Is Alien Whack Attack free?

Alien Whack Attack is free to download, with no in-app purchases.

### Do PiyoWalk or Alien Whack Attack have ads?

Both PiyoWalk and Alien Whack Attack 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.*