# K vs Gameworld Master

The clearest difference is in-app purchases: K at none against Gameworld Master's 10. K also leads on update cadence (every 4 days vs every 4 weeks). Gameworld Master's advantage is rating (4.7 vs 4.4) and ratings volume (17K vs 4.5K). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Gameworld Master sells 8 one-off in-app purchases. K asks for nothing beyond the download.

Gameworld Master holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 4.5K and 17K respectively. Written reviews point the same way: 42% of K's written reviews are positive against 44% of Gameworld Master's.

K ships an update every 4 days, Gameworld Master every 4 weeks. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | K | Gameworld Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (4.5K ratings)](https://appshunter.io/ios/app/k-run-challenge-3d/id1588403569/reviews) | **[4.7 (17K ratings)](https://appshunter.io/ios/app/gameworld-master/id1616459311/reviews)** |
| Number of ratings | 4.5K | **17K** |
| Positive reviews | 42.4% of reviews | **44.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 4 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 133 MB | 414 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | +17 |
| Developer | [Lucky Kat Studios](https://appshunter.io/developer/498980984) | [ZPLAY (HK) TECHNOLOGY CO., LIMITED](https://appshunter.io/developer/1301067319) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-run-challenge-3d/id1588403569)

Engage in an exciting survival game where you compete in minigames and challenges for prize money. Test your skills and courage to be the last one standing in this thrilling battle royale.

**Highlights:** Survival minigames, Competitive challenges, Prize money rewards, One-touch controls, Battle royale gameplay

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

**In-app purchases:** none

**What reviewers like**

- 👍 Fun game
- 🎉 Enjoyable experience
- 🎨 Interesting visuals

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔍 Lack of content variety
- 💸 Excessive ads
- 🕹️ Difficulty issues

**Reported bugs**

- Crashes and freezes
- Unresponsive controls
- Progression issues

**Requested features**

- More mini-games
- Ability to replay favorite mini-games
- Improved graphics and animations
- Customization options for characters


### Gameworld Master

[App page](https://appshunter.io/ios/app/gameworld-master/id1616459311)

Build and manage your own game world. Collect people to participate in games, earn money, and expand your empire. Become the ultimate game world owner.

**Highlights:** Build and manage a game world, Collect people for games, Earn money to expand, Simulate business empire, Tycoon gameplay

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 160 Gems | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Starter Pack | $4.99 | one-time |
| 1000 Gems | $4.99 | one-time |
| No Ads | $9.99 | one-time |
| 2400 Gems | $9.99 | one-time |
| 5000 Gems | $19.99 | one-time |
| 13000 Gems | $49.99 | one-time |

**What reviewers like**

- 👍 Decent game
- 👍 Fun and addictive
- 👍 Great concept based on Squid Game

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Bugs causing loss of progress
- 🔍 Too many ads, even after paying for ad-free
- 🐛 Helpers not functioning properly

**Reported bugs**

- Character getting stuck when collecting money
- Vans/helpers freezing and not delivering contestants
- Crashes and loss of progress after updates

**Requested features**

- More skins and Squid Game-themed content
- Less repetitive gameplay
- Improved stability and bug fixes


## Frequently asked questions

### Is K free?

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

### Is Gameworld Master free?

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

### Which has better reviews, K or Gameworld Master?

Gameworld Master is rated higher. K averages 4.4 out of 5 from 4.5K ratings, while Gameworld Master averages 4.7 from 17K ratings.

### Do K or Gameworld Master have ads?

Both K and Gameworld Master show ads.

### Which is updated more often, K or Gameworld Master?

K ships an update every 4 days, and Gameworld Master every 4 weeks. Most recently, K was updated on October 27, 2026 and Gameworld Master on October 29, 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.*