# Impossible Kart2 vs Purify the World

The clearest difference is review sentiment: Impossible Kart2 at 61% against Purify the World's 25%. Impossible Kart2 also leads on in-app purchases (none vs 7) and ratings volume (4 vs 1). Purify the World's advantage is rating (5.0 vs 4.8). 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. Impossible Kart2 asks for nothing beyond the download.

Purify the World holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews complicate that: 61% of Impossible Kart2's written reviews are positive against 25% of Purify the World's, so the app with the better star average is not the one people write more warmly about.

Impossible Kart2 ships an update every 5 weeks, Purify the World every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Impossible Kart2 | Purify the World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/impossible-kart2/id1532199898/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/purify-the-world/id6739110940/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | **60.7% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 94 MB | 291 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Basement Apps, Inc.](https://appshunter.io/developer/1092009455) | [Eureka Studio Inc.](https://appshunter.io/developer/1418633832) |

## What reviewers say

### Impossible Kart2

[App page](https://appshunter.io/ios/app/impossible-kart2/id1532199898)

A challenging arcade game where players tap to navigate a kart through obstacles. Test your reflexes and skills to clear all stages in this sequel to a popular title.

**Highlights:** Tap to avoid obstacles, One-minute stages, Challenging gameplay, Sequel to a popular game, Easy to operate

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

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and enjoyable gameplay
- 💡 Good for point-earning activities (ポイ活)
- 🎯 Challenging but rewarding
- 🎮 Simple controls
- ⏱️ Good for killing time

**What reviewers complain about**

- 😠 Extremely frustrating and stressful
- ⚠️ Very difficult/high difficulty
- 🚫 Poor hit detection
- 📱 Causes phone to overheat
- 📉 Drains battery quickly

**Reported bugs**

- Level 5-4 not registering as complete
- Ads preventing retries
- Phone overheating and battery drain
- Inconsistent hit detection
- Lag in timing-based gameplay

**Requested features**

- Improve hit detection accuracy
- Reduce ad frequency
- Fix bugs related to level completion and point awarding
- Optimize for battery and heat management


### 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 |


## Frequently asked questions

### Is Impossible Kart2 free?

Impossible Kart2 is free to download, with no in-app purchases.

### Is Purify the World free?

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

### Which has better reviews, Impossible Kart2 or Purify the World?

Purify the World is rated higher. Impossible Kart2 averages 4.8 out of 5 from 4 ratings, while Purify the World averages 5.0 from 1 ratings.

### Do Impossible Kart2 or Purify the World have ads?

Both Impossible Kart2 and Purify the World show ads.

### Which is updated more often, Impossible Kart2 or Purify the World?

Impossible Kart2 ships an update every 5 weeks, and Purify the World every 6 weeks. Most recently, Impossible Kart2 was updated on October 24, 2026 and Purify the World on October 24, 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.*