The top 20 popular Paid Productivity Apps for Android in Japan

Check out the top Productivity Apps which are a paid download. We went through all Productivity Apps for Android on Google Play in September 2026 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 2026-09-28.

DigiCal+ Calendar

Digibites

🏆 Favorite: best calendar apps for Android – The Next Web 🏆 DigiCal is a smart calendar app for Android that is packed full of features - Android Headlines 🏆 DigiCal is one of the most flexi…

Solid Explorer Classic Unlock

NeatBytes

This is the unlock key for Solid Explorer File Manager, which activates its full version. Only for users with legacy licenses. If you're a new user, please use the in-app purchase. Recent changes: …

RealCalc Plus

Quartic Software

RealCalc Plus is the pro version of RealCalc, one of Android's most popular scientific calculators. RealCalc Plus is designed to look and operate exactly like a real hand-held calculator. It has all…

Dropsync PRO Key

MetaCtrl

This is the license key to unlock Pro features in Dropsync app. Once the key app is downloaded and installed, Pro features will be unlocked. Please keep the free Dropsync app installed. New users ar…

Clipper+: Clipboard Manager

rojekti

Clipper Plus is a powerful clipboard manager that automatically saves everything you copy. Access your collected clippings later and organize them in lists. Copy, paste, view, edit and share their co…

Root Explorer

Speed Software

Root Explorer is the ultimate file manager for root users. Access the whole of android's file system (including the elusive data folder!). Features include multiple tabs, Google Drive, Box, Dropbox …

Easy Voice Recorder Pro

Digipom

Easy Voice Recorder Pro is your everyday companion to record important moments. Capture meetings, personal notes, classes, songs, and much more, without time limits or ads! For students Record clas…

TerraTime Pro World AlarmClock

Udekowski LLC

Start with a visually stunning virtual Earth in the palm of your hand: Real satellite photos drive a live simulation of day/night, clouds, seasons, sun, moon and more. Then, our unique clock and comp…

aCalendar+ Calendar & Tasks

Tapir Apps GmbH

aCalendar+ makes your day, week and month since over a decade! For questions or problems see our online help system at https://acalendar.tapirapps.de or contact our support at support@tapirapps.de …

ezPDF Reader PDF Annotate Form – Click to show

Business Calendar Pro

Appgenix Software

Business Calendar Pro has everything you need in a calendar app: It provides an excellent overview of your appointments, it’s easy to use and it gives you powerful tools to create and manipulat…

Vault

Fortua Tech

Vault brings your everyday life admin together in one organised, private place. Keep track of important dates, reference numbers, costs, notes and supporting documents for the things you do not want …

PhonePi MCP – Click to show

sSLOPE

Roozbeh Geraili Mikola

sSLOPE is designed to perform a quick slope stability analysis on your phone device. sSLOPE is very simple and easy to use. sSLOPE uses simplified Bishop method (method of slices) to discretize the s…

VIP Notes

Ogroman

Features: - encryption AES-256 - attachments (will encrypted if enabled encryption for note) - view and edit attached files inside application (text and html, photo) - folders: unlimited nesting (on…

Pig Weight Calculator – Click to show

Subscript numeric keypad – Click to show

Concrete Engineering Calc.

Sparkle Solutions

Concrete Engineering Calculator contains 88 calculators and converters, that can quickly and easily calculate and convert different concrete and civil engineering parameters. Automatic and accurate c…

SkanApp - AR PDF book scanner

GO2GET

Place your smartphone in the Skanstick, available on Amazon and www.go2get.com, and enjoy the benefits of scanning naturally, in place. Having both hands free, enhanced by Augmented Reality buttons,…

Inventory Management Premium

Enigmex Technologies

Improved version of the Simple Inventory Management with no ads: This app is a user friendly and very simple for use. Easy adding the new products with the "+" button and filling wanted fie…

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