# Link X. vs Plumber Puzzle

The clearest difference is price: Link X. at Free against Plumber Puzzle's $2.99. Link X. also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). Plumber Puzzle's advantage is update cadence (every 6 weeks vs every 8 months). On ads and in-app purchases there is nothing between them.

Link X. is free to download; Plumber Puzzle costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Link X. ships an update every 8 months, Plumber Puzzle every 6 weeks. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Link X. | Plumber Puzzle |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (62 ratings)](https://appshunter.io/ios/app/link-x/id898561664/reviews)** | — |
| Number of ratings | **62** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 10 MB | 18 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lei Li](https://appshunter.io/developer/896955406) | [Ian Trimble](https://appshunter.io/developer/1891470277) |

## What reviewers say

### Link X.

[App page](https://appshunter.io/ios/app/link-x/id898561664)

Connect matching colored dots with pipes to fill the entire board without pipes crossing. This free puzzle game offers hundreds of levels, ranging from relaxing to challenging, providing a "mind like water" experience.

**Highlights:** Connect matching colored dots, Pipe creation without crossing, 900 challenging levels, Free to play, Relaxing to frenetic gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Plumber Puzzle

[App page](https://appshunter.io/ios/app/plumber-puzzle-pipe-flow/id6789703995)

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

**In-app purchases:** none


## Frequently asked questions

### Is Link X. free?

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

### Is Plumber Puzzle free?

Plumber Puzzle costs $2.99, with no in-app purchases.

### Do Link X. or Plumber Puzzle have ads?

Neither Link X. nor Plumber Puzzle shows ads.

### Which is updated more often, Link X. or Plumber Puzzle?

Link X. ships an update every 8 months, and Plumber Puzzle every 6 weeks. Most recently, Link X. was updated on October 7, 2026 and Plumber Puzzle on October 4, 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.*