The top 20 popular Paid Productivity Apps for Android in Hong Kong

Check out the top Productivity Apps which are a paid download. We went through all Productivity 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 Hong Kong. Last updated on 2025-10-07.

ezPDF Reader PDF Annotate Form

"Plenty of PDF readers are available for Android devices and a number of them are free. But ezPDF is by far the best of the bunch." Daniel A. Begun, author of Amazing Android Apps for Dummi…

app screenshot

app screenshot

app screenshot

500,000+ downloads

Unidocs Inc.
500,000+ downloads
PRODUCTIVITY

ezPDF Reader PDF Annotate Form

"Plenty of PDF readers are available for Android devices and a number of them are free. But ezPDF is by far the be…

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…

app screenshot

app screenshot

app screenshot

500,000+ downloads

Quartic Software
500,000+ downloads
PRODUCTIVITY

RealCalc Plus is the pro version of RealCalc, one of Android's most popular scientific calculators. RealCalc Plus is d…

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 …

app screenshot

app screenshot

app screenshot

1,000,000+ downloads

Speed Software
1,000,000+ downloads
PRODUCTIVITY

Root Explorer is the ultimate file manager for root users. Access the whole of android's file system (including the elu…

Solid Explorer Classic Unlock

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: …

app screenshot

app screenshot

app screenshot

100,000+ downloads

NeatBytes
100,000+ downloads
PRODUCTIVITY

Solid Explorer Classic Unlock

This is the unlock key for Solid Explorer File Manager, which activates its full version. Only for users with legacy l…

Dropsync PRO Key

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…

app screenshot

app screenshot

app screenshot

100,000+ downloads

MetaCtrl
100,000+ downloads
PRODUCTIVITY

Dropsync PRO Key

This is the license key to unlock Pro features in Dropsync app. Once the key app is downloaded and installed, Pro featu…

Installer Pro - Install APK

Rhythm Software

Full featured installer with tiny size, user friendly design and high performance. Scan and install market and non-market apps easily from your SD card. Features: * Install and delete applications f…

app screenshot

app screenshot

app screenshot

5,000+ downloads

Rhythm Software
5,000+ downloads
PRODUCTIVITY

Installer Pro - Install APK

Full featured installer with tiny size, user friendly design and high performance. Scan and install market and non-mark…

To-Do List: Daily Planner Pro – Click to show

HTML5 Editor Deluxe – Click to show

Zettel Notes: Translate Plugin

Translate Plugin for Zettel Notes Markdown Note Taking App. Zettel Notes application must be installed for this plugin to work. https://play.google.com/store/apps/details?id=org.eu.thedoc.zettelnot…

app screenshot

app screenshot

app screenshot

dax7
50+ downloads
PRODUCTIVITY

Zettel Notes: Translate Plugin

Translate Plugin for Zettel Notes Markdown Note Taking App. Zettel Notes application must be installed for this plugi…

Sticky Memo Notepad *Colors* – Click to show

Mathematical keyboard D

This is a soft keyboard that is convenient for writing mathematical questions and expressions, etc. Numbers, symbols, all alphabets and Greek letters can be entered without conversion. You can enter …

app screenshot

app screenshot

app screenshot

1,000+ downloads

hosinoatusi
1,000+ downloads
PRODUCTIVITY

Mathematical keyboard D

This is a soft keyboard that is convenient for writing mathematical questions and expressions, etc. Numbers, symbols, a…

It is a calculator application which can calculate collectively by expressions like 100+30-50. Discount / premium calculation can be done with one touch. Calculation history is automatically recorded…

app screenshot

app screenshot

app screenshot

Yutaka Kenjo
100+ downloads
PRODUCTIVITY

It is a calculator application which can calculate collectively by expressions like 100+30-50. Discount / premium calcu…

Construction Calculator A1 Pro

Binary and Bricks Pvt. Ltd.

Construction Calculator A1 pro can calculate with the Imperial Measurement System & Metric Measurement system. App also supports a number of themes choose the color you want. Construction Calcula…

app screenshot

app screenshot

app screenshot

1,000+ downloads

Binary and Bricks Pvt. Ltd.
1,000+ downloads
PRODUCTIVITY

Construction Calculator A1 Pro

Construction Calculator A1 pro can calculate with the Imperial Measurement System & Metric Measurement system. App …

Calculator Plus Pro

TGI Technology Inc. (SrNaA)

Calculator Plus Pro is a powerful and smartest Android stylish calculator with real and attractive look. This is a most elegant, functional and a "state-of-the-art” mobile application. Uni…

app screenshot

app screenshot

app screenshot

TGI Technology Inc. (SrNaA)
100+ downloads
PRODUCTIVITY

Calculator Plus Pro

Calculator Plus Pro is a powerful and smartest Android stylish calculator with real and attractive look. This is a most…

Timenote 3rd – Click to show

Date In Status Bar HD Pro – Click to show

LMF Services, LLC

Get all our apps in one here: https://play.google.com/store/apps/details?id=com.odesk.calculator&hl=en The Pocket Pipe calculator is designed for Pipefitter/ welders/fabricators. - Mitered Cut o…

app screenshot

app screenshot

app screenshot

5,000+ downloads

LMF Services, LLC
5,000+ downloads
PRODUCTIVITY

Get all our apps in one here: https://play.google.com/store/apps/details?id=com.odesk.calculator&hl=en The Pocket …

Simpan - Note various needs

Don't forget! Simpan is a text saving application for your various needs. Easy to use, safe, and with a modern minimalist look that you might like. Equipped with Fingerprint & Password securit…

app screenshot

app screenshot

app screenshot

100,000+ downloads

Banyu Dev
100,000+ downloads
PRODUCTIVITY

Simpan - Note various needs

Don't forget! Simpan is a text saving application for your various needs. Easy to use, safe, and with a modern minima…

Calendar 2025 Pro – Click to show

Radio Alarm Clock +

IMPORTANT INFO about Energy Settings: -SAMSUNG -HUAWEI -XIAOMI -OPPO - ... PLEASE check this website: https://android-co.de/energy-settings/en and follow the tips in order to PREVENT THE ALARM FR…

app screenshot

app screenshot

app screenshot

10,000+ downloads

Benjamin Laws
10,000+ downloads
PRODUCTIVITY

Radio Alarm Clock +

IMPORTANT INFO about Energy Settings: -SAMSUNG -HUAWEI -XIAOMI -OPPO - ... PLEASE check this website: https://androi…