# 4 in a line king

> Classic four-in-a-row strategy board game with AI and customization. (iPhone/iPad app by Chuanming Chang.)

- Source: https://appshunter.io/ios/app/4-in-a-line-king/id1099044085 (this page in markdown: same URL + `.md`)
- Developer: [Chuanming Chang](https://appshunter.io/developer/1001571025)
- Category: Games, Board, Strategy
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 46 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2016-04-22
- Data updated: 2026-06-03
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/4-in-a-line-king/id1099044085/reviews.md

## What is 4 in a line king?

“4 In A Line King” is a popular game.
It is simple but challenging.
It only needs few minutes to finish one round.
We believe that you will like this APP.

The features of this APP:
◎	Unlimited steps of “Undo”
◎	Smart AI engine inside
◎	Can select difficulty level
◎	Can select board types, pieces types and background types
◎	Game Center supported

## Key features

- Unlimited undo steps
- Smart AI engine
- Selectable difficulty levels
- Customizable board, pieces, and backgrounds
- Game Center support

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/4-in-a-line-king/id1099044085/reviews.md

### 5/5 — Yeet

*2020-07-04*

Ur dad is trash lol hahhahhhahhaahhahhahhah

## Frequently asked questions about 4 in a line king

### Does 4 in a line king have ads?

Yes, 4 in a line king contains advertisements. This is how the game is supported as it is offered for free.

### What is the gameplay like in 4 in a line king?

The gameplay involves strategic placement of pieces on a board to achieve four in a row horizontally, vertically, or diagonally. It's designed to be simple to learn but challenging to master, with rounds typically finishing in a few minutes.

### Can I play 4 in a line king offline?

Yes, 4 in a line king can be played offline against the AI. This makes it a great option for playing on the go without an internet connection.

### How difficult is the AI in 4 in a line king?

The AI engine in 4 in a line king is smart and offers selectable difficulty levels. This allows players to adjust the challenge to their skill level, from beginner to advanced.

### What devices is 4 in a line king available on?

4 in a line king is available on iPhone, iPad, and iPod. It is designed for iOS devices.

### How often is 4 in a line king updated?

The latest version of 4 in a line king is 1.5.1, which was last updated on March 11, 2022. Updates typically include bug fixes and performance improvements.

### Can I undo my moves in 4 in a line king?

Yes, 4 in a line king offers unlimited steps of 'Undo'. This feature allows you to correct mistakes or experiment with different strategies without penalty.

### Is 4 in a line king suitable for children?

4 in a line king has an age rating of 4+, making it suitable for young children. The game's simple mechanics and classic strategy are appropriate for this age group.

## Version history (last 5 releases)

### 1.5.1 — 2022-03-11

1. Fix some minor bugs

### 1.5.0 — 2019-01-29

1. Modify some UI designs
2. Fix bugs

### 1.4.1 — 2017-12-08

1. Change ads providers
2. Fix minor bugs

### 1.4.0 — 2017-12-07

1. Add UI layout for iPhone X
2. Change ads providers

### 1.2.0 — 2016-11-03

1. Enhance AI engine
2. Fix bugs

## Apps similar to 4 in a line king

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Downward Slope](https://appshunter.io/ios/app/downward-slope/id1551395291) | 1.5 (2) | Free | Games |
| [Four In A Line Touch](https://appshunter.io/ios/app/four-in-a-line-touch/id794415717) | 1.8 (6) | Free | Games |
| [4●IN_1_ROW](https://appshunter.io/ios/app/4in-1-row/id320469536) | 2.8 (16) | Free | Games |
| [Lines 64](https://appshunter.io/ios/app/lines-64/id6478532652) | — | Free | Games |
| [The Chinese Five Elements](https://appshunter.io/ios/app/the-chinese-five-elements/id895781672) | — | Free | Games |
| [Crystal Rings](https://appshunter.io/ios/app/crystal-rings/id1581605867) | 5.0 (1) | Free | Games |

## More apps by Chuanming Chang

- [Crazy Racing - keep Speeding](https://appshunter.io/ios/app/crazy-racing-keep-speeding/id1001571026)
- [Discs Billiards](https://appshunter.io/ios/app/discs-billiards/id1048919194)
- [Air Fight - Infinite Power](https://appshunter.io/ios/app/air-fight-infinite-power/id1052982079)
- [Discs Bowling](https://appshunter.io/ios/app/discs-bowling/id1052982087)
- [Bounce the Basketballs](https://appshunter.io/ios/app/bounce-the-basketballs/id1056445265)
- [Spike the Volleyballs](https://appshunter.io/ios/app/spike-the-volleyballs/id1056445418)

All apps by Chuanming Chang: https://appshunter.io/developer/1001571025

## Related topics

[chuanming chang](https://appshunter.io/ios/topics/chuanming-chang)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*