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 May 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 2025-05-22.

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 for you to manage your data usage. “Data Usage Monitor" helps you to accurately measure your daily data traffic, and analyze the data…

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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 for you to manage your data usage. “Data Usage Monitor&quo…

Home Button Launcher

Your personalized Home Button App Launcher ★ No ads ★ If configured as «Assist» app then this app replaces the default «Open Google Assist» action. Use the «Assist setti…

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100,000+ downloads

DynamicG
100,000+ downloads
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Home Button Launcher

Your personalized Home Button App Launcher ★ No ads ★ If configured as «Assist» app then this app replaces …

SpeedChecker Speed Test

Our Speed Checker app easily, quickly and accurately measures your Wi-Fi network AND Mobile Internet Speed (download, upload and ping) up to 1 Gb/s. Your Wi-Fi connection could be slowing you down.…

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5,000,000+ downloads

SpeedChecker
5,000,000+ downloads
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SpeedChecker Speed Test

Our Speed Checker app easily, quickly and accurately measures your Wi-Fi network AND Mobile Internet Speed (download, …

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 c…

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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 prote…

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…

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 …

Multi Stopwatch & Timer+

Beautiful, powerful and simple Multi Stopwatch & Timer+ Perfect for every timing situation from sports, work to cooking! This is the pro version with multiple Stopwatches and multiple Timers wit…

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50,000+ downloads

Jupiter Apps
50,000+ downloads
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Multi Stopwatch & Timer+

Beautiful, powerful and simple Multi Stopwatch & Timer+ Perfect for every timing situation from sports, work to co…

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

Magnifier + Flashlight: The Ultimate Magnifying Glass for Your Android Unlock the power of your smartphone with Magnifier + Flashlight, the most versatile magnifying glass app on the Play Store. Ex…

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10,000,000+ downloads

App2U
10,000,000+ downloads
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Magnifier + Flashlight

Magnifier + Flashlight: The Ultimate Magnifying Glass for Your Android Unlock the power of your smartphone with Magnif…

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…

Avast Antivirus & Security

Protect against viruses & other types of malware with Avast Mobile Security, our free antivirus app for Android. Trusted by over 435 million people. Protect your privacy by receiving alerts when…

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100,000,000+ downloads

Avast Software
100,000,000+ downloads
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Avast Antivirus & Security

Protect against viruses & other types of malware with Avast Mobile Security, our free antivirus app for Android. Tr…

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…

AppMgr Pro III (App 2 SD)

AZSoft Technology Inc.

AppMgr (also known as App 2 SD) is a new design app that provides the following components: ★ Archive apps: archive apps to save storage on your Android device. Android 15+ only ★ Move apps: moves a…

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100,000+ downloads

AZSoft Technology Inc.
100,000+ downloads
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AppMgr Pro III (App 2 SD)

AppMgr (also known as App 2 SD) is a new design app that provides the following components: ★ Archive apps: archive ap…

This is the perfect battery monitor for your phone or tablet. It is simple, beautiful and can be calibrated specially for your device. Now you can get alerts when your phone charges or discharges to…

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10,000,000+ downloads

smallte.ch
10,000,000+ downloads
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This is the perfect battery monitor for your phone or tablet. It is simple, beautiful and can be calibrated specially f…