# 4_IN_1_ROW powered by Mathematicians for iPad

> Two-player strategy board game for iPad with AI and Bluetooth multiplayer. (iPhone/iPad app by AOBO Co.,Ltd.)

- Source: https://appshunter.io/ios/app/4-in-1-row-powered-by-mathematicians-for-ipad/id475303181 (this page in markdown: same URL + `.md`)
- Developer: [AOBO Co.,Ltd](https://appshunter.io/developer/310846199)
- Category: Games, Entertainment, Board, Strategy
- Price: Free
- Rating: 2.00/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.3 · 12 MB
- Languages: American English, Japanese, Chinese (Simplified, China)
- Released: 2011-10-30
- Data updated: 2026-06-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/4-in-1-row-powered-by-mathematicians-for-ipad/id475303181/reviews.md

## What is 4_IN_1_ROW powered by Mathematicians for iPad?

This is a classic two players game redeveloped for iPad based on 4_IN_1_ROW powered by Mathematicians.

If you want to become a Connect Four killer, please play this game. 

In the application, we used the latest research result and mathematics engine provided by Mathematics to improve the thinking power of iPad.

Features:
1, Bluetooth supported, you can play with the neighbor device(including iPhone which installed the pro version of this game) in human to human mode.
2, Play mode: human to human, human to device, device to device. Touch the iPad image button or human head button in the top left/right of the screen to select play mode you like. 
3, Sound on/off. 
4, Undo: you can undo all the steps. 
5, Difficulty: easy, medium, hard. 
 
How to play with the neighbor device through bluetooth connection:
1) Start this app. 
2) Set play mode to human to human. 
3) Touch the bluetooth image button on the right bottom of the screen, and select player.
4) After finishing connection with other device, touch NEW GAME BUTTON(two balls) to start.

## Key features

- Human vs. Human mode
- Human vs. Device mode
- Device vs. Device mode
- Bluetooth multiplayer
- Adjustable difficulty
- Undo moves

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/4-in-1-row-powered-by-mathematicians-for-ipad/id475303181/reviews.md

### 1/5 — Crap

*2011-11-20*

Doesn't wrk

## Frequently asked questions about 4_IN_1_ROW powered by Mathematicians for iPad

### What devices does 4_IN_1_ROW support?

4_IN_1_ROW is exclusively designed for iPads. It was released on October 30, 2011, and the latest version is 1.3, updated on September 30, 2015.

### Can I play 4_IN_1_ROW with friends on other devices?

Yes, you can play with a neighbor device, including iPhones with the pro version, through Bluetooth in human-to-human mode. Ensure both devices have the app installed and follow the Bluetooth connection steps.

### What are the different play modes in 4_IN_1_ROW?

You can choose from three play modes: human to human (local or Bluetooth), human to device (AI opponent), and device to device (AI vs. AI).

### Does 4_IN_1_ROW have ads?

No, 4_IN_1_ROW does not contain advertisements. It is a free game with no in-app purchases.

### How difficult is the AI in 4_IN_1_ROW?

The game offers three difficulty levels for the device opponent: easy, medium, and hard. This allows players to tailor the challenge to their skill level.

### Can I undo my moves in 4_IN_1_ROW?

Yes, the game includes an undo feature that allows you to go back and correct any previous moves you have made during a game.

### What is the age rating for 4_IN_1_ROW?

4_IN_1_ROW is rated for ages 4 and up. The app utilizes a mathematics engine to improve thinking power.

### How often is 4_IN_1_ROW updated?

The app was last updated on September 30, 2015, to version 1.3. It has not received updates since then.

## Version history (last 4 releases)

### 1.3 — 2015-09-30

This app has been updated by Apple to display the Apple Watch app icon.

Updated to latest SDK.

### 1.2 — 2014-08-15

Fixed a bug.

### 1.1 — 2012-08-25

Updated to latest SDKs.

### 1.0 — 2011-10-29

No release notes.

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All apps by AOBO Co.,Ltd: https://appshunter.io/developer/310846199

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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 2026-06-05.*