# threeR

> The garbage separation guide app for municipalities throughout Japan.

Canonical page: [https://chrome-stats.com/d/jp.co.delight\_system.threeR.android](https://chrome-stats.com/d/jp.co.delight_system.threeR.android)

## Overview

- **ID:** `jp.co.delight_system.threeR.android`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Delight System Inc.
- **Category:** LIFESTYLE
- **Downloads:** 1,669,169
- **Rating:** 4.13 / 5 (2,449 ratings)
- **Version:** 2.10.1
- **Last updated:** 2026-03-17
- **First published:** 2016-10-28
- **Publisher country:** JP
- **Size:** 25 MB
- **Data as of:** 2026-09-16
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.co.delight_system.threeR.android)
- **Website:** [https://threer.delight-system.co.jp/](https://threer.delight-system.co.jp/)
- **Privacy policy:** [https://manage.delight-system.com/PrivacyPolicy.html](https://manage.delight-system.com/PrivacyPolicy.html)

## Description

**threeR** by Delight System Inc is a free, user-friendly garbage separation guide app designed for municipalities across Japan. It assists residents by offering detailed neighborhood collection calendars, ensuring users know when to dispose of burnable, non-burnable, and recyclable garbage. The app features a comprehensive Garbage Separation Guideline Booklet available on your smartphone for easy reference.

With its garbage type search functionality, users can quickly look up disposal methods for various items, tailored to local regulations. Local government announcements keep residents informed of important updates and emergency notifications related to waste management. Additionally, the app includes an engaging quiz section to make learning about proper garbage disposal enjoyable and effective. threeR simplifies waste separation and promotes environmental responsibility through accessible technology.

## Rankings

- #50,478 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.CALL_PHONE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.GET_ACCOUNTS`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_MEDIA_IMAGES`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SCHEDULE_EXACT_ALARM`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`
- `jp.co.delight_system.threeR.android.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `jp.co.delight_system.threeR.android.permission.C2D_MESSAGE`
- `jp.co.delight_system.threeR.android.permission.MAPS_RECEIVE`

## Review summary

Users appreciate the app's concept of helping foreigners manage their garbage disposal but report significant issues including limited municipality coverage, incomplete English translations, and outdated UI design. Many cities and districts are not included, preventing usage in some areas. Users also request better multi-language support and features like calendar integration and notifications to improve usability.

### Pros

- Helps foreigners understand local garbage disposal rules and schedules.
- Useful for knowing when to put out different types of garbage.
- Supports multiple languages to some extent.
- Good concept and useful idea for waste management.
- Gets the job done despite some UI drawbacks.

### Cons

- Limited city and district coverage; many municipalities like Toyonaka, Gunma, Hakuba, Aichi, and others are missing.
- Incomplete English translation; mixed Japanese and English texts, with missing translations in English version.
- Poor and outdated UI/UX design not adhering to modern standards like Google Material Design.
- Lack of Google Calendar integration and automatic notifications.
- Request for more comprehensive language support including Portuguese, Spanish, Chinese.

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Source: [Chrome-Stats](https://chrome-stats.com/d/jp.co.delight_system.threeR.android)