The top 20 popular Tools Apps for Android in Japan (with a recent update)

Check out the top Tools Apps which had a recent update in Google Play. We went through all Tools Apps for Android on Google Play in September 2025 and picked the best ones for you to download onto your Android phone. This Android app list is sorted by the popularity in Japan. Last updated on 2025-09-17.

flick - Emoticon Keyboard

flick is the name of this app, now! 【features of flick】・AI Prediction, considering for context. ・Searchable a million emoticons for feelings. ・Theme from your images and videos for the keyboard bac…

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1,000,000+ downloads

IO Inc.
1,000,000+ downloads
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flick - Emoticon Keyboard

flick is the name of this app, now! 【features of flick】・AI Prediction, considering for context. ・Searchable a million…

VirusBuster Mobile

Trend Micro Inc. / トレンドマイクロ株式会社

Mobile Security for Android provides powerful, comprehensive protection against online threats. 🏆 Mobile Security & Antivirus - 3 CONSECUTIVE YEARS Winner of AV-Test’s “Best Android…

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10,000,000+ downloads

Trend Micro Inc. / トレンドマイクロ株式会社
10,000,000+ downloads
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VirusBuster Mobile

Mobile Security for Android provides powerful, comprehensive protection against online threats. 🏆 Mobile Security &am…

Simeji Japanese keyboard+Emoji

バイドゥ株式会社

Simeji is a free Japanese input keyboard that has reached over 45M downloads! It comes with a skinnable keyboard, cute emoticons, emoji, and more! This is the most popular keyboard app in Japan! Try …

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10,000,000+ downloads

バイドゥ株式会社
10,000,000+ downloads
TOOLS

Simeji Japanese keyboard+Emoji

Simeji is a free Japanese input keyboard that has reached over 45M downloads! It comes with a skinnable keyboard, cute …

Data Usage Monitor

"Data Usage Monitor" is a user-friendly app that puts you in control of your mobile data. Easily track, analyze, and manage your data usage to avoid surprise overage charges and save money …

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1,000,000+ downloads

Lufesu Inc.
1,000,000+ downloads
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Data Usage Monitor

"Data Usage Monitor" is a user-friendly app that puts you in control of your mobile data. Easily track, analy…

Stopwatch Timer

Hybrid Stopwatch and Timer is a simple, easy and accurate app for android that will help you to measure the time of any situation, like sports, cooking, games, education, etc. Stopwatch or chronomet…

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10,000,000+ downloads

Javier Salmona
10,000,000+ downloads
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Stopwatch Timer

Hybrid Stopwatch and Timer is a simple, easy and accurate app for android that will help you to measure the time of any…

Intrace: Visual traceroute

Intrace Visual traceroute for Android is a tiny app that traces and analyzes data routes from your device to servers worldwide. See full path of data packets between your device and any Internet serv…

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500,000+ downloads

BlindZone
500,000+ downloads
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Intrace: Visual traceroute

Intrace Visual traceroute for Android is a tiny app that traces and analyzes data routes from your device to servers wo…

Dr.Capsule Antivirus, Cleaner

ESTsecurity Corp.

A Smart Dose for Android Security! S.Korea’s Antivirus App Mobile security ⠂Real-time protection helps protect dangerous apps and files ⠂It notifies you when Wi-Fi is connected, so you can…

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10,000,000+ downloads

ESTsecurity Corp.
10,000,000+ downloads
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Dr.Capsule Antivirus, Cleaner

A Smart Dose for Android Security! S.Korea’s Antivirus App Mobile security ⠂Real-time protection helps protec…

Gboard - the Google Keyboard

Gboard has everything you love about Google Keyboard—speed and reliability, Glide Typing, voice typing, Handwriting, and more Glide Typing — Type faster by sliding your finger from lette…

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10,000,000,000+ downloads

Google LLC
10,000,000,000+ downloads
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Gboard - the Google Keyboard

Gboard has everything you love about Google Keyboard—speed and reliability, Glide Typing, voice typing, Handwriti…

File Manager File Explorer

File Manager: The ultimate file explorer & app manager for file transfers, document management, and file storage ★ Custom Colors Personalize your experience and make organization a breeze with …

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10,000,000+ downloads

Maple Media
10,000,000+ downloads
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File Manager File Explorer

File Manager: The ultimate file explorer & app manager for file transfers, document management, and file storage …

1Tap Cleaner (clear cache)

AZSoft Technology Inc.

1-Tap to clean all cache files, defaults settings, and SD card. Are you running out of application storage? You now can get more available storage space by clearing apps created cache/data files. …

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10,000,000+ downloads

AZSoft Technology Inc.
10,000,000+ downloads
TOOLS

1Tap Cleaner (clear cache)

1-Tap to clean all cache files, defaults settings, and SD card. Are you running out of application storage? You now c…

Speech Recognition & Synthesis

Power your device with the magic of Google’s text-to-speech and speech-to-text technology. Google Speech-to-Text functionality Speech Recognition provides speech-to-text functionality to G…

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10,000,000,000+ downloads

Google LLC
10,000,000,000+ downloads
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Speech Recognition & Synthesis

Power your device with the magic of Google’s text-to-speech and speech-to-text technology. Google Speech-to-Tex…

Google Play services

Google Play services is used to update Google apps and apps from Google Play. This component provides core functionality like authentication to your Google services, synchronized contacts, access to …

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10,000,000,000+ downloads

Google LLC
10,000,000,000+ downloads
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Google Play services

Google Play services is used to update Google apps and apps from Google Play. This component provides core functionalit…

The Google App offers more ways to search about the things that matter to you. Try AI Overviews, Google Lens, and more to find quick answers, explore your interests, and stay up-to-date. Use text, vo…

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10,000,000,000+ downloads

Google LLC
10,000,000,000+ downloads
TOOLS

The Google App offers more ways to search about the things that matter to you. Try AI Overviews, Google Lens, and more …

Google Opinion Rewards

Answer quick surveys and earn Google Play credit with Google Opinion Rewards, an app created by the Google Surveys team. Getting started is easy. Download the app and answer basic questions about yo…

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100,000,000+ downloads

Google LLC
100,000,000+ downloads
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Google Opinion Rewards

Answer quick surveys and earn Google Play credit with Google Opinion Rewards, an app created by the Google Surveys team…

Digital Clock Widget

Digital clock widget is a simple, elegant and customizable home screen digital time and date widget for Android. Features: · Lots of customizations · Support widget resizing (long tap …

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10,000,000+ downloads

Maize
10,000,000+ downloads
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Digital Clock Widget

Digital clock widget is a simple, elegant and customizable home screen digital time and date widget for Android. Featu…

Keepass2Android Password Safe

Philipp Crocoll (Croco Apps)

Keepass2Android is an open source password manager application for Android. It is compatible with the popular KeePass 2.x Password Safe for Windows and aims at simple synchronization between devices.…

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1,000,000+ downloads

Philipp Crocoll (Croco Apps)
1,000,000+ downloads
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Keepass2Android Password Safe

Keepass2Android is an open source password manager application for Android. It is compatible with the popular KeePass 2…

3C All-in-One Toolbox

The ENTIRE 3C collection in just one package! * * Except 3C Sensitive Backups and 3C Legacy Stats which are not allowed by Google to be included in this app. 3C All-in-One Toolbox combines many fea…

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1,000,000+ downloads

3c
1,000,000+ downloads
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3C All-in-One Toolbox

The ENTIRE 3C collection in just one package! * * Except 3C Sensitive Backups and 3C Legacy Stats which are not allowe…

Android Accessibility Suite

Android Accessibility Suite is a collection of accessibility apps that help you use your Android device eyes-free or with a switch device. Android Accessibility Suite includes: • Accessibility …

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10,000,000,000+ downloads

Google LLC
10,000,000,000+ downloads
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Android Accessibility Suite

Android Accessibility Suite is a collection of accessibility apps that help you use your Android device eyes-free or wi…

Google Translate

• Text translation: Translate between 108 languages by typing • Tap to Translate: Copy text in any app and tap the Google Translate icon to translate (all languages) • Offline: Transla…

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1,000,000,000+ downloads

Google LLC
1,000,000,000+ downloads
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Google Translate

• Text translation: Translate between 108 languages by typing • Tap to Translate: Copy text in any app and ta…

Discover how Poly Lens opens a world of capabilities to your favorite Poly Bluetooth® devices. With Poly Lens, you can personalize your audio experience, stay up-to-date, and get help when y…

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1,000,000+ downloads

HP Inc.
1,000,000+ downloads
TOOLS

Discover how Poly Lens opens a world of capabilities to your favorite Poly Bluetooth® devices. With Poly Lens,…