The top 20 popular Paid Books & Reference Apps for Android in Hong Kong

Check out the top Books & Reference Apps which are a paid download. We went through all Books & Reference Apps for Android on Google Play in September 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 2025-09-01.

Moon+ Reader Pro

**************** 1,000,000+ downloads, The #1 Paid EBook Reader in Google Play, 30-Day Money Back Guarantee! **************** All-in-one ebook documents management and better designed book reader wi…

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1,000,000+ downloads

Books & Reference

Moon+
1,000,000+ downloads
BOOKS_REFERENCE

Moon+ Reader Pro

**************** 1,000,000+ downloads, The #1 Paid EBook Reader in Google Play, 30-Day Money Back Guarantee! **********…

WolframAlpha Classic

Wolfram Group LLC

Use the power of Wolfram's computational intelligence to answer your questions. Building on 35+ years of development led by Stephen Wolfram, Wolfram|Alpha is the world's definitive source for instant…

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1,000,000+ downloads

Books & Reference

Wolfram Group LLC
1,000,000+ downloads
BOOKS_REFERENCE

WolframAlpha Classic

Use the power of Wolfram's computational intelligence to answer your questions. Building on 35+ years of development le…

le Garzantine - Mediowvo – Click to show

Recognized Organizations Code – Click to show

Electrical handbook PRO

Calculation World

The application contains everything about electricians and electrical engineering written in simple language with practical and interactive connection diagrams. The Pro version of the Electrical hand…

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1,000+ downloads

Books & Reference

Calculation World
1,000+ downloads
BOOKS_REFERENCE

Electrical handbook PRO

The application contains everything about electricians and electrical engineering written in simple language with pract…

Nature My - North America

General nature guide with over 2500 plant and animal species of North America in English, German, French, Italian and Spanish. With more than 4000 pictures and 190 animal voices. The app allows iden…

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Books & Reference

saragozza
100+ downloads
BOOKS_REFERENCE

Nature My - North America

General nature guide with over 2500 plant and animal species of North America in English, German, French, Italian and S…

Tracks on the road

"Tracks on the road" is a best-selling novel by a Ukrainian traveler and airborne veteran of the russia-Ukraine war. Self-published without the assistance of any publishing house, it became…

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1,000+ downloads

Books & Reference

Datum LLC
1,000+ downloads
BOOKS_REFERENCE

Tracks on the road

"Tracks on the road" is a best-selling novel by a Ukrainian traveler and airborne veteran of the russia-Ukrai…

Fa'alupega—or the naming of honorific titles—is a fundamental part of Samoan culture and custom, as it connects individuals and families to customary land and origins of their past. This …

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Books & Reference

Grubbr Ltd
10+ downloads
BOOKS_REFERENCE

Fa'alupega—or the naming of honorific titles—is a fundamental part of Samoan culture and custom, as it conn…

Codigo de RED 2.0

La siguiente obra es una transcripción de la RESOLUCIÓN Núm. RES/550/2021 de la Comisión Reguladora de Energía por la que se expiden las Disposiciones Administrativ…

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Books & Reference

GAPBitBytes
1+ downloads
BOOKS_REFERENCE

Codigo de RED 2.0

La siguiente obra es una transcripción de la RESOLUCIÓN Núm. RES/550/2021 de la Comisión Re…

Моторист Конвенция Плюс-Дельта – Click to show

リーダーズプラス（通常版）研究社 – Click to show

BirdSounds Costa Rica

BirdSounds Costa Rica is a comprehensive collection of songs and calls of birds of Costa Rica. It includes more than 2000 tracks for 765 bird species. This app is the perfect complement to your paper…

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Books & Reference

BirdingApps
100+ downloads
BOOKS_REFERENCE

BirdSounds Costa Rica

BirdSounds Costa Rica is a comprehensive collection of songs and calls of birds of Costa Rica. It includes more than 20…

Esta aplicación ayuda a atender la lección del día sin necesidad de ir a buscarla o marcarla. Esta aplicación genera notificaciones o recordatorios en la lectura del d&iac…

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Books & Reference

Software Molly
10+ downloads
BOOKS_REFERENCE

Esta aplicación ayuda a atender la lección del día sin necesidad de ir a buscarla o marcarla. Esta…

Alin aprende a usar su imagina – Click to show

BB - Job Well Done

Oceanhouse Media, Inc.

"Whatever your hand finds to do, do it with all your might" Ecclesiastes 9:10 Join the Berenstain Bears in this interactive book app as Brother, Sister, and Honey Bear are given the task o…

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Books & Reference

Oceanhouse Media, Inc.
100+ downloads
BOOKS_REFERENCE

BB - Job Well Done

"Whatever your hand finds to do, do it with all your might" Ecclesiastes 9:10 Join the Berenstain Bears in t…

Oceanhouse Media, Inc.

Join Frank the Frog in this interactive book app as he becomes dissastifed with ordinary frog things and determined to find a way to fly! Explore pictures, learn new vocabulary, and follow along with…

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1,000+ downloads

Books & Reference

Oceanhouse Media, Inc.
1,000+ downloads
BOOKS_REFERENCE

Join Frank the Frog in this interactive book app as he becomes dissastifed with ordinary frog things and determined to …

Thermodynamics Calculator Pro

Sparkle Solutions

Thermodynamics Calculator Pro contains 58 Calculators, Converters and References, that can quickly and easily calculate, convert and provide different Thermodynamics and Thermal Engineering parameter…

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1,000+ downloads

Books & Reference

Sparkle Solutions
1,000+ downloads
BOOKS_REFERENCE

Thermodynamics Calculator Pro

Thermodynamics Calculator Pro contains 58 Calculators, Converters and References, that can quickly and easily calculate…

e36m_Test_DF_02 – Click to show

Himnario INPM Partitura

Publicaciones El Faro

Aplicación oficial de la letra del Himnario Evangélico Presbiteriano “Sólo a Dios la gloria” Iglesia Nacional Presbiteriana de México La Iglesia Nacional Pres…

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Books & Reference

Publicaciones El Faro
50+ downloads
BOOKS_REFERENCE

Himnario INPM Partitura

Aplicación oficial de la letra del Himnario Evangélico Presbiteriano “Sólo a Dios la gloria&…

Танкер - Начальная Дельта тест – Click to show