# Alien Attack vs 一笔画

The clearest difference is in-app purchases: 一笔画 at none against Alien Attack's 10. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Alien Attack sells 9 one-off in-app purchases. 一笔画 asks for nothing beyond the download.

## The numbers

| Metric | Alien Attack | 一笔画 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/alien-attack-idle-arcade-game/id6502288455/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 381 MB | 27 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [P.D. PLAYGENES INTERNATIONAL LIMITED](https://appshunter.io/developer/1492668667) | [开封 桑](https://appshunter.io/developer/1872634156) |

## What reviewers say

### Alien Attack

[App page](https://appshunter.io/ios/app/alien-attack-idle-arcade-game/id6502288455)

Lead an alien entity in an idle survival game to conquer the planet by consuming humans and evolving your army. Face formidable bosses and complete quests in exhilarating arcade action.

**Highlights:** Eternal Evolution upgrades, Exhilarating arcade gameplay, Epic boss battles, Progression and exploration, Consume humans to grow army

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Blocker | $0.99 | one-time |
| One-time offer! | $2.99 | one-time |
| Pile of Gems | $4.99 | one-time |
| One-time offer! | $4.99 | one-time |
| One-time offer! | $6.99 | one-time |
| Heap of Gems | $9.99 | one-time |
| One-time offer! | $11.99 | one-time |
| One-time offer! | $14.99 | one-time |
| One-time offer! | $69.99 | one-time |


### 一笔画

[App page](https://appshunter.io/ios/app/id6760219712)

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

**In-app purchases:** none


## Frequently asked questions

### Is Alien Attack free?

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

### Is 一笔画 free?

一笔画 is free to download, with no in-app purchases.

### Do Alien Attack or 一笔画 have ads?

Both Alien Attack and 一笔画 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.*