# Purify the World vs ふくろうのお絵かき美術館 by Powl ポイ活ゲーム

The clearest difference is in-app purchases: ふくろうのお絵かき美術館 by Powl ポイ活ゲーム at none against Purify the World's 7. ふくろうのお絵かき美術館 by Powl ポイ活ゲーム also leads on review sentiment (33% vs 25%). Purify the World's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Purify the World sells 7 one-off in-app purchases. ふくろうのお絵かき美術館 by Powl ポイ活ゲーム asks for nothing beyond the download.

Purify the World ships an update every 6 weeks, ふくろうのお絵かき美術館 by Powl ポイ活ゲーム every 4 weeks. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Purify the World | ふくろうのお絵かき美術館 by Powl ポイ活ゲーム |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/purify-the-world/id6739110940/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | **33.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 291 MB | 116 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 12+ |
| Developer | [Eureka Studio Inc.](https://appshunter.io/developer/1418633832) | [POMobile Inc.](https://appshunter.io/developer/1274420454) |

## What reviewers say

### Purify the World

[App page](https://appshunter.io/ios/app/purify-the-world/id6739110940)

Survive a zombie-infested world by collecting DNA, developing a vaccine, and collaborating with other survivors. Your mission is to cleanse the contaminated land and rebuild society.

**Highlights:** Zombie DNA collection and study, Vaccine creation and deployment, Contaminated surface purification, Cooperative survival gameplay, Post-apocalyptic world exploration

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Tickets | $1.99 | one-time |
| World Pack 1 | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Bundle of Tickets | $4.99 | one-time |
| World Pack 1 - Before Discount | $9.99 | one-time |
| Stack of Tickets | $14.99 | one-time |
| Mountain of Tickets | $49.99 | one-time |


### ふくろうのお絵かき美術館 by Powl ポイ活ゲーム

[App page](https://appshunter.io/ios/app/by-powl/id6809679145)

This is a simple tap-to-draw game where you create art and collect it in your own museum. Earn points by completing paintings, which can be exchanged for real-world rewards through a partner app. Enjoy a relaxing experience with offline bonuses and helpful boosts.

**Highlights:** Tap to paint and complete artwork, Collect 40 unique paintings in your museum, Find hidden owls in each artwork, Earn points redeemable for gift cards and more, Offline bonus for continued progress, Auto-tap and double-tap boost features

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

**In-app purchases:** none


## Frequently asked questions

### Is Purify the World free?

Purify the World is free to download, with in-app purchases available.

### Is ふくろうのお絵かき美術館 by Powl ポイ活ゲーム free?

ふくろうのお絵かき美術館 by Powl ポイ活ゲーム is free to download, with no in-app purchases.

### Do Purify the World or ふくろうのお絵かき美術館 by Powl ポイ活ゲーム have ads?

Both Purify the World and ふくろうのお絵かき美術館 by Powl ポイ活ゲーム show ads.

### Which is updated more often, Purify the World or ふくろうのお絵かき美術館 by Powl ポイ活ゲーム?

Purify the World ships an update every 6 weeks, and ふくろうのお絵かき美術館 by Powl ポイ活ゲーム every 4 weeks. Most recently, Purify the World was updated on October 30, 2026 and ふくろうのお絵かき美術館 by Powl ポイ活ゲーム on November 8, 2026.

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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.*