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 October 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 2025-10-08.

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
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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…

TunnelBear, LLC

TunnelBear VPN. Privacy. For everyone. TunnelBear is an easy-to-use VPN app that helps you browse privately and securely from anywhere. With just one tap, TunnelBear changes your IP address and enc…

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10,000,000+ downloads

TunnelBear, LLC
10,000,000+ downloads
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TunnelBear VPN. Privacy. For everyone. TunnelBear is an easy-to-use VPN app that helps you browse privately and secur…

Canon Print Service

Canon Print Service is software that can print simply from the menus of applications that support Android's printing subsystem. It can print from smart phones and tablets using Canon printers connect…

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50,000,000+ downloads

Canon Inc.
50,000,000+ downloads
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Canon Print Service

Canon Print Service is software that can print simply from the menus of applications that support Android's printing su…

Gauge Battery Widget

Bored of ordinary battery widgets? All looks the same? Try this analog one! Measure your battery life and have fun. ★ Do you want to know why this is one of coolest battery widgets on the market? Vi…

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5,000,000+ downloads

Tomas Hubalek
5,000,000+ downloads
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Gauge Battery Widget

Bored of ordinary battery widgets? All looks the same? Try this analog one! Measure your battery life and have fun. ★ …

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 – Mobile Security

ESTsecurity Corp.

Protect against viruses & other types of malware with Dr.Capsule Mobile Security, our free antivirus app for Android. Get real-time protection with Virus Scan, Smishing Detection, and Wi-Fi Secu…

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10,000,000+ downloads

ESTsecurity Corp.
10,000,000+ downloads
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Dr.Capsule – Mobile Security

Protect against viruses & other types of malware with Dr.Capsule Mobile Security, our free antivirus app for Androi…

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…

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
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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…

Hotspot Shield: Fast VPN Proxy

Independently rated the fastest VPN, Hotspot Shield VPN is ideal for browsing, online gaming, and watching uninterrupted videos! Whether at home or on the go, stay safe with lightning-fast, private i…

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100,000,000+ downloads

Anchorfree LLC
100,000,000+ downloads
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Hotspot Shield: Fast VPN Proxy

Independently rated the fastest VPN, Hotspot Shield VPN is ideal for browsing, online gaming, and watching uninterrupte…

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
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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…

Magnifier + Flashlight

This is the best magnifying glass app in the Play Store - no doubt about it. Try it and see for yourself! The app uses your phone's camera to magnify text or whatever comes to mind - be creative! Gre…

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10,000,000+ downloads

App2U
10,000,000+ downloads
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Magnifier + Flashlight

This is the best magnifying glass app in the Play Store - no doubt about it. Try it and see for yourself! The app uses …

Network Signal Info Pro

KAIBITS Software GmbH

Network Signal Info Pro provides detailed information over the currently used network with accurate signal strength output, whether WiFi (WLAN) or cellular (mobile) connection and is easy to use. Do…

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100,000+ downloads

KAIBITS Software GmbH
100,000+ downloads
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Network Signal Info Pro

Network Signal Info Pro provides detailed information over the currently used network with accurate signal strength out…

Battery Widget Builder

M2Catalyst, LLC.

Battery Widget Builder is your all-in-one source for measuring and managing phone battery health, phone battery usage and phone battery capacity. Since your phone’s battery can be depleted due …

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10,000,000+ downloads

M2Catalyst, LLC.
10,000,000+ downloads
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Battery Widget Builder

Battery Widget Builder is your all-in-one source for measuring and managing phone battery health, phone battery usage a…

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…

GuitarTuna: Tune & Play Guitar

GuitarTuna is your go-to guitar app, with over 100 million downloads and counting! Tune your guitar in seconds with the free guitar tuner, explore guitar chords & tabs for 20,000+ songs, and lear…

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100,000,000+ downloads

Yousician Ltd.
100,000,000+ downloads
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GuitarTuna: Tune & Play Guitar

GuitarTuna is your go-to guitar app, with over 100 million downloads and counting! Tune your guitar in seconds with the…

Anti-virus Dr.Web Light

About Free basic anti-virus protection for mobile devices running Android OS 4.4 — 16. Features and advantages of the protection components Anti-virus • Quick or full file system scans, as…

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100,000,000+ downloads

Dr.Web
100,000,000+ downloads
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Anti-virus Dr.Web Light

About Free basic anti-virus protection for mobile devices running Android OS 4.4 — 16. Features and advantages of…