# Lines vs Cú Dội

The clearest difference is update cadence: Cú Dội at every 6 days against Lines's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lines ships an update every 6 months, Cú Dội every 6 days. The most recent releases landed on November 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Lines | Cú Dội |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (157 ratings)](https://appshunter.io/ios/app/lines-color-balls/id641019625/reviews)** | — |
| Number of ratings | **157** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 80 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KD Soft Ltd.](https://appshunter.io/developer/534136849) | [Dinh Nham Cung](https://appshunter.io/developer/1784052344) |

## What reviewers say

### Lines

[App page](https://appshunter.io/ios/app/lines-color-balls/id641019625)

This classic logic puzzle game challenges you to arrange colored balls into lines to clear the board. It offers customizable options and a relaxing experience for players of all ages. Train your mind with strategic gameplay and aim for high scores.

**Highlights:** Classic line-clearing gameplay, Customizable ball colors and sizes, Adjustable difficulty levels, Undo moves and auto-save, High score leaderboard, Next ball preview, Relaxing sound effects

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

**In-app purchases:** none


### Cú Dội

[App page](https://appshunter.io/ios/app/cu-doi/id6804224819)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lines free?

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

### Is Cú Dội free?

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

### Do Lines or Cú Dội have ads?

Both Lines and Cú Dội show ads.

### Which is updated more often, Lines or Cú Dội?

Lines ships an update every 6 months, and Cú Dội every 6 days. Most recently, Lines was updated on November 1, 2026 and Cú Dội on October 14, 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.*