# Combine 4 - Board connection

> Combine 4 - Board connection (iPhone/iPad app by Marstin Limited.)

- Source: https://appshunter.io/ios/app/combine-4-board-connection/id1019590879 (this page in markdown: same URL + `.md`)
- Developer: [Marstin Limited](https://appshunter.io/developer/879922449)
- Category: Games, Entertainment, Board
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 13 MB
- Languages: American English
- Released: 2015-07-23
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/combine-4-board-connection/id1019590879/reviews.md

## What is Combine 4?

Combine 4 is the classic 4-in-a-row game taken to the next level!

Play against a trained AI robot that will learn to play better every time that you play against it.

What our users say:
* "One of the best Combine 4 games I've ever played".
* "It is actually addicting to see how the machine improves".
* "Easy the first few games, but almost impossible now! Well done!"

The games benefits from 5 different grid levels to expand the game and the possibilities, from the classic 6x6 grid to a huge 10x10.

Remember to rate Combine 4, we take very seriouly any comments to make our games better.


## Version history (last 5 releases)

### 1.0.8 — 2020-07-18

Bug fixes and performance improvements

### 1.0.7 — 2017-11-27

iOS 11 compatibility
Minor bug fixes

### 1.0.6 — 2017-04-07

Content changes.

### 1.0.5 — 2017-01-04

Many changes in this version:
- Improved AI, our best design yet.
- Improved interface design.
- Machine and player will now take turns to move first.
- 7x7 grid will be the initial screen.

Please review the app so we can continue improving this fantastic game.

### 1.0.4 — 2016-12-14

Massive AI upgrade: quicker for all levels

## Apps similar to Combine 4

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Playing Dice](https://appshunter.io/ios/app/playing-dice/id1241270060) | — | Free | Games |
| [Xmas Ludo](https://appshunter.io/ios/app/xmas-ludo/id763361920) | 4.0 (8) | Free | Games |
| [将棋ノート](https://appshunter.io/ios/app/id1170925520) | — | Free | Games |
| [Simply Ludo](https://appshunter.io/ios/app/simply-ludo/id395071980) | 4.3 (421) | Free | Games |
| [Word Find - Cross Game Puzzle](https://appshunter.io/ios/app/word-find-cross-game-puzzle/id939288620) | 2.5 (2) | Free | Games |
| [지뢰찾기 !](https://appshunter.io/ios/app/id1112775900) | 2.2 (6) | Free | Games |

## More apps by Marstin Limited

- [1024 - Maths challenge](https://appshunter.io/ios/app/1024-maths-challenge/id879922446)
- [Power Basketball: Sport Arcade](https://appshunter.io/ios/app/power-basketball-sport-arcade/id879922736)
- [Air Hockey Arcade Machine Duel](https://appshunter.io/ios/app/air-hockey-arcade-machine-duel/id881874469)
- [Basketball Arcade Hoops](https://appshunter.io/ios/app/basketball-arcade-hoops/id888322718)
- [Mega Shades - Arcade Puzzle](https://appshunter.io/ios/app/mega-shades-arcade-puzzle/id1071407489)

All apps by Marstin Limited: https://appshunter.io/developer/879922449

---

*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 2026-05-17.*