# Sudoku Techniques

> Learning software for logical thinking using Sudoku

Canonical page: [https://chrome-stats.com/d/jp.technocity.numberplace](https://chrome-stats.com/d/jp.technocity.numberplace)

## Overview

- **ID:** `jp.technocity.numberplace`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Toshifumi Yamamoto
- **Category:** GAME\_PUZZLE
- **Downloads:** 194
- **Version:** 1.50
- **Last updated:** 2026-08-02
- **First published:** 2020-01-31
- **Publisher country:** JP
- **Size:** 21 MB
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.technocity.numberplace)
- **Website:** [http://www.technocity.jp](http://www.technocity.jp/)
- **Privacy policy:** [http://www.technocity.jp/NumberPlace/jp/PrivacyPolicy.html](http://www.technocity.jp/NumberPlace/jp/PrivacyPolicy.html)

## Description

All the problems included in this applicatin are only logically solvable.<br>There is no need to use a &quot;trial and error&quot;, or the &quot;temporary placement&quot;.<br>However, it is only for advanced users.<br>For this reason, it may seem difficult for those who are not used to it, but this application has a lot of hint and support functions.<br>That is not the answer itself, but rather hints that say, &quot;Oh! I see.&quot; Gradually, you will learn the techniques.<br>Train your math brain with this application and aim to be able to solve it on your own without using any hints.

## Rankings

- #1,728,205 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.google.android.gms.permission.AD_ID`
- `jp.technocity.numberplace.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/jp.technocity.numberplace)