The top 20 popular Productivity Apps for Android in Hong Kong with no subscription

Check out the top Productivity Apps which are a one-time purchase with no subscription or in-app purchases. We went through all Productivity Apps for Android on Google Play in August 2026 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 2026-08-31.

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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…

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 …

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: …

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…

Send Whats Faster Pro – Click to show

TechDraw

Kelly Technology Inc.

TechDraw is a full-featured drawing application, combining built-in geometric shapes with a text and equation editor. Drawing data can be transferred via Dropbox, Evernote or email for collaborative…

Confidential Note – Click to show

Grower Helper: Grow Diary

umpordez

GrowerHelper is a private grow diary and plant tracker that lives on your phone. It works fully offline, with no account and no tracking. Pay once and the whole app is yours; no subscription, ever. …

TREK: T.I. Notes

NSTEnterprises

Enjoy notes with the LOOK and SOUNDS you love! This is a great, intuitive way to take and organize notes, agenda, or checklists. Product Features: ✦ Actions to add, edit, archive, trash, and delete …

Period Tracker – Click to show

Barcode Scanner: create & more – Click to show

ClickCharts Plus Edition – Click to show

ISOpipe

ISOpipe est une application de CAO 2D avec visualisation 3D, conçue spécifiquement pour les tuyauteurs et chefs de chantier modernes. Développée en GDScript sur le moteur …

My Diary Pro - Sticky Notes

Future Dynamic Apps

Hunting for an intuitive, premium app to chronicle your thoughts and reminders? Craving a diary that stands out with vibrant, chic themes? Introducing Write My Diary Pro, your digital sticky note dia…

Memo-Only Memopad – Click to show

LetrivaIO Premium

LetrivaIO LTDA

📚 LetrivaIO – Trabalhos Escolares e Acadêmicos O LetrivaIO foi desenvolvido para estudantes que desejam criar trabalhos escolares e acadêmicos com praticidade, organizaç&at…

Mind Organizer AI – Click to show

Unshorten — URL & QR Scanner

My Cat's Lab

Unsure of shortened links and mystery QR codes? Don't risk your digital safety, Unshorten will answer such questions as "Is this link safe?" or "Where does this QR code go?". Uns…

Fuel Cell Calculator Pro

nonono:tech

The application essential to fuel cell engineers. You can quickly calculate operating conditions, output power and etc. This is an application that the professional of this field, I, made for mysel…

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