# 4Numbers

> Logic puzzle game to guess a four-digit code with single-player and Bluetooth modes. (iPhone/iPad app by Sadaki Takeda.)

- Source: https://appshunter.io/ios/app/4numbers/id467578567 (this page in markdown: same URL + `.md`)
- Developer: [Sadaki Takeda](https://appshunter.io/developer/440967930)
- Category: Games, Education
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 6.0 · 5 MB
- Languages: English, Japanese
- Released: 2011-10-02
- Data updated: 2026-06-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/4numbers/id467578567/reviews.md

## What is 4Numbers?

@@@ How to play @@@

[ Single Play ]

@ Find 4 numbers with the smallest score = Try times x Minutes. 
 
@ When you find a number in the same place, then you will be given a hint as 1Hit.  When you find a number but in the different place, then you will be given a hint as 1 Blow.

@ For example, if the 4 numbers are 0123, and you guessed them as 9135, then you will get hint as 1H1B.

@ You may use Mark areas as you like to support your short-term memory.

@ We are waiting for your score to be on World Ranking.

@ Total of 20 plays and total of 100 plays are also counted in ranking.

@ There are 3 achievements.  Try to get the crowns.


[Battle Play (Bluetooth)]

@ Find the 4 numbers faster than the other player.  After your turn, turn will be passed to the other player.

@ You can go first or go second.  It depends on the automatic generated randam number.  For next battle, loser goes first.

@ Who goes first can set the numbers of battle among 1, 3 and 5.  If you won the battles more than half, then you will be the winner.

@ There are 6 special items.  You can only use it when it is your turn.  4 of them are offense items and 2 of them are defense items.

You can use only 1 item from defense item and 1 item from offense item in your turn. 2 defense items can not be used at the same time.  And 2 offense items can not be used at the same time.

@ L/H: Low or High --- You can get a hint for the selected area of number which is either Low (0-4) or High(5-9).

@ Sml: Smallest --- You can know which one is the smallest number.

@ Big: Bigest --- You can know which one is the biggest number.

@ 2St: 2Shots --- You can call 2 times but before call, you need to open the one number selected by the other player.

@ Mov: Move --- This is defense item. You can move your 4 numbers.

@ Chg: Change --- This is defense item. You can change your 4 numbers to the 4 numbers you have not used.

@ You can send 4 different special messgaes in your turn. 

[Others]

@ For the battle play by bluetooth, please use the same version of Application.

@ When you pick up the phone during the battle, then the battle will be stopped.

## Key features

- Single-player code guessing
- World ranking system
- Bluetooth multiplayer battles
- Offensive and defensive special items
- Hint system (1Hit, 1Blow, L/H, Sml, Big)
- Achievements


## Frequently asked questions about 4Numbers

### How do you play 4Numbers in single-player mode?

In single-player mode, the goal is to find a four-digit code with the smallest score, calculated by tries multiplied by minutes. Hints like '1Hit' and '1Blow' are provided based on your guesses, and you can use 'Mark areas' for memory support.

### What is the objective in 4Numbers' Battle Play?

In Battle Play via Bluetooth, players race to guess the four-digit code faster than their opponent. The winner is determined by who wins more than half of the set number of battles (1, 3, or 5).

### What are the special items in 4Numbers Battle Play?

Battle Play includes 6 special items: 4 offensive and 2 defensive. Offensive items can be used to attack the opponent, while defensive items like 'Mov' (Move) and 'Chg' (Change) help protect or alter your own code.

### Can I play 4Numbers offline?

Yes, the single-player mode of 4Numbers can be played offline. Battle Play requires a Bluetooth connection to play with another device.

### Does 4Numbers have ads?

The provided data does not specify if 4Numbers contains advertisements. However, it is listed as a free application.

### What devices support 4Numbers?

4Numbers is supported on iPhone, iPad, and iPod devices. It is designed for iOS operating systems.

### How often is 4Numbers updated?

The last update for 4Numbers was on August 26, 2016, with version 2.2. This indicates infrequent updates in recent years.

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

4Numbers has an age rating of 4+, making it suitable for young children and general audiences. The gameplay involves logic and number guessing.

## Version history (last 1 release)

### 2.2 — 2016-08-26

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

Modify the advertisement function.

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## More apps by Sadaki Takeda

- [3Numbers.](https://appshunter.io/ios/app/3numbers/id516547333)
- [OX bomber](https://appshunter.io/ios/app/ox-bomber/id624997597)
- [Samurai Math](https://appshunter.io/ios/app/samurai-math/id652850188)
- [Teddy Run](https://appshunter.io/ios/app/teddy-run/id687068104)
- [2 Counters](https://appshunter.io/ios/app/2-counters/id992026209)

All apps by Sadaki Takeda: https://appshunter.io/developer/440967930

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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 2026-06-24.*