threeR

Delight System Inc.

4.43

2,314 reviews

1,000,000+
Downloads

Free

The garbage separation guide app for municipalities throughout Japan.

About threeR

threeR is a lifestyle app developed by Delight System Inc..

Download Statistics

threeR has been downloaded 1.6 million times. In the last 30 days, the app was downloaded 21 thousand times.

User Ratings

threeR is rated 4.43 out of 5 stars. The rating is based on 2.3 thousand ratings.

App Information

threeR is FREE to download. The last update was on November 4, 2025.

Technical Requirements

threeR requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play April 2015.

Description

threeR from Delight System Inc is the garbage separation guide app for municipalities throughout Japan.

More data about threeR

Price	Free to download
Total downloads	1.6 million
Recent downloads	21 thousand
Rating	4.43 based on 2.3 thousand ratings
Ranking	Medium ranked
Version	N/A
APK size	N/A
Number of libraries	24
Designed for Android	4.0+
Suitable for	Everyone
Ads	NO ads

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Alternative downloads for the threeR app

threeR compared with similar apps

Common keywords of similar apps

Separation Local Types Government Municipalities Quiz Feature Threer Guide Japan System Neighborhood Days Methods Residential Function Rules Smartphone Burnable Guideline Booklet Garbage Collection App Search Disposal

Keywords missing from this app

Recycling Fixed Schedules Reminders Bugs Improved Truck City View Calendar Schedule Receive Notifications Recent Simulator Service Request Tools Push Notification Translations Issues Logins Feedback Capabilities Game Trash Waste Kachra Gadi Driving Region Collect Games Challenging Experience Halifax Recycles Organics Bitterroot Texas American El Paso Simulation

Google Play Rating history and histogram

Rating history

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1.3K

660

330

Downloads over time

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threeR has been downloaded 1.6 million times. Over the past 30 days, it averaged 700 downloads per day.

Changelog of threeR

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Developer information for Delight System Inc.

Delight System Inc.

3r-android@delight-system.co.jp

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Comments on threeR for Android

★★★★☆ Saeem Osman · Jul 15, 2022

I can't see the areas from gunman prefecture. Could you please add this area? Also, could you please add the English version of the burnable a non-burnable waste list in English? Thank you.

★★★★★ Tiny Adventures · Sep 27, 2019

I've given this a 5 star purely to support the development of this app as it's a great idea. There's no Hakuba though, so I deleted it instantly. Would love to see more user-friendly ways to help people with their rubbish sorting (especially foreigners) it's such an important thing to do.

★★★★☆ Millie Wokoma · Nov 10, 2024

If you can find your address in Japanese, this app is great for telling you when to put it what garbage. I just wish it had more English!

★★☆☆☆ Sethu · Mar 22, 2022

It seems like a great app for foreigners who need help with the garbage disposal rules and times, but unfortunately I am unable to use it because my municipality (Ashikaga City) is not listed in this app):

★☆☆☆☆ Primal Convoy · Aug 6, 2023

1/ Districts are NOT in English version. 2/ Areas are misspelt in romaji. 3/ No integration with Google calendar. 4/ No automatic/bulk notifications for EVERY rubbish day. 5/ Areas are not listed in alphabetical order. 1 star until fixed.

★★☆☆☆ Kiera Slyph · Feb 21, 2025

It's good but i didn't find ube shi in Yamaguchi, only available for houfu shimonoseki and Yamaguchi only for city... I need for ube city actually

Google Play Rankings for threeR

Top rankings

Rank	Country	Category	List
106	Japan	Lifestyle	Top Free

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Ranking history in Japan

Ranking history

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