# X Lines vs Untangle

The clearest difference is in-app purchases: Untangle at none against X Lines's 1. X Lines's advantage is update cadence (every 6 days vs every 2 months) and iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. X Lines sells 1 one-off in-app purchase. Untangle asks for nothing beyond the download.

X Lines ships an update every 6 days, Untangle every 2 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | X Lines | Untangle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/x-lines/id1387718873/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Free | — |
| Size | 11 MB | 58 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [景灯 梁](https://appshunter.io/developer/977915723) | [FGTP Labs](https://appshunter.io/developer/1849326000) |

## What reviewers say

### X Lines

[App page](https://appshunter.io/ios/app/x-lines/id1387718873)

This puzzle game challenges your geometric thinking and reasoning skills. Uncross lines by moving nodes to create a clear path. It offers over 200 levels with more planned, suitable for all ages.

**Highlights:** Geometric thinking puzzles, Over 200 levels, Clean UI design, Reasoning and creativity challenges, Supports iPhone and iPad, Suitable for all ages

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads removal | $2.99 | one-time |


### Untangle

[App page](https://appshunter.io/ios/app/untangle-line-brain-puzzle/id6756347637)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is X Lines free?

X Lines is free to download, with in-app purchases available.

### Is Untangle free?

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

### Do X Lines or Untangle have ads?

Neither X Lines nor Untangle shows ads.

### Which is updated more often, X Lines or Untangle?

X Lines ships an update every 6 days, and Untangle every 2 months. Most recently, X Lines was updated on November 2, 2026 and Untangle on November 5, 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.*