The top 20 trending Paid Books & Reference Apps for Android right now

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 August 2025 and picked the best ones for you to download onto your Android phone. This Android app list shows the currently trending ones. Last updated on 2025-08-17.

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! **********…

ReadEra Premium – ebook reader

ReadEra Premium — a unique tool for searching, reading, and managing books and documents. The app allows you to automatically locate all supported books and documents on your device, search fo…

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100,000+ downloads

Books & Reference

READERA LLC
100,000+ downloads
BOOKS_REFERENCE

ReadEra Premium – ebook reader

ReadEra Premium — a unique tool for searching, reading, and managing books and documents. The app allows you to …

Used by arborists, fishermen, firefighters, climbers, military and boy and girl scouts the world over, Knots 3D will quickly teach you how to tie even the most difficult knot! Knots 3D is the ori…

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1,000,000+ downloads

Books & Reference

Nynix LLC
1,000,000+ downloads
BOOKS_REFERENCE

Used by arborists, fishermen, firefighters, climbers, military and boy and girl scouts the world over, Knots 3D will q…

e-Sword: Bible Study to Go

TL;DR— So many Biblical resources are freely included which other apps charge hundreds of dollars to unlock! BIBLES American Standard Version Berean Study Bible Bible in Basic English Brenton'…

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100,000+ downloads

Books & Reference

Rick Meyers
100,000+ downloads
BOOKS_REFERENCE

e-Sword: Bible Study to Go

TL;DR— So many Biblical resources are freely included which other apps charge hundreds of dollars to unlock! BIB…

Knot IQ - The Bear Essentials

The Bear Essentials Outdoors Co. LTD.

**This is the EARLY SUPPORTERS LAUNCH!** You get a LIFETIME ACCESS Pass (which helps support the next updates) Please note, we are in the early testing stages of this app! We'll have 185+ Knots as of…

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1,000+ downloads

Books & Reference

The Bear Essentials Outdoors Co. LTD.
1,000+ downloads
BOOKS_REFERENCE

Knot IQ - The Bear Essentials

**This is the EARLY SUPPORTERS LAUNCH!** You get a LIFETIME ACCESS Pass (which helps support the next updates) Please n…

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…

Lunescope Pro: Moon Phases+

🌕🌖🌗🌘🌑🌒🌓🌔🌕 Spectacular, interactive 3D simulation of the moon, right down to the shadows in the craters and earthshine on the dark side. Touch screen control changes date and time as seen fr…

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100,000+ downloads

Books & Reference

Udekowski LLC
100,000+ downloads
BOOKS_REFERENCE

Lunescope Pro: Moon Phases+

🌕🌖🌗🌘🌑🌒🌓🌔🌕 Spectacular, interactive 3D simulation of the moon, right down to the shadows in the craters and ea…

Universalis Publishing

TO TRY BEFORE YOU BUY: get the "Catholic Calendar: Universalis" app for a free 30-day preview. Feasts and celebrations according to the General Calendar and the local calendars of the UK, …

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50,000+ downloads

Books & Reference

Universalis Publishing
50,000+ downloads
BOOKS_REFERENCE

TO TRY BEFORE YOU BUY: get the "Catholic Calendar: Universalis" app for a free 30-day preview. Feasts and ce…

FBReader Premium

FBReader.ORG Limited

The Premium Edition of the popular ebook reader. Features available in this premium version: * Reading aloud (via Android text-to-speech) * Google Translate and DeepL integration * Built-in support …

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100,000+ downloads

Books & Reference

FBReader.ORG Limited
100,000+ downloads
BOOKS_REFERENCE

FBReader Premium

The Premium Edition of the popular ebook reader. Features available in this premium version: * Reading aloud (via Andr…

Collins Bird Guide

NatureGuides Ltd

‘It’s much more convenient than taking a big book with you...the Collins app is fantastic.’ – Chris Packham, Metro ‘The Collins Bird Guide app is destined to become a r…

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50,000+ downloads

Books & Reference

NatureGuides Ltd
50,000+ downloads
BOOKS_REFERENCE

Collins Bird Guide

‘It’s much more convenient than taking a big book with you...the Collins app is fantastic.’ – C…

CCW – Concealed Carry 50 State

Workman Consulting LLC

This comprehensive app empowers the law-abiding CCW (concealed or open carry permit) holder (or anyone who wants to lawfully transport a firearm in any state.) It gives you direct information needed …

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100,000+ downloads

Books & Reference

Workman Consulting LLC
100,000+ downloads
BOOKS_REFERENCE

CCW – Concealed Carry 50 State

This comprehensive app empowers the law-abiding CCW (concealed or open carry permit) holder (or anyone who wants to law…

Dictionary - M-W Premium

Merriam-Webster Inc.

Get America’s most useful and respected dictionary, optimized for your Android device. Continuously updated with the newest words and meanings, this is the premier Android app for English langu…

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100,000+ downloads

Books & Reference

Merriam-Webster Inc.
100,000+ downloads
BOOKS_REFERENCE

Dictionary - M-W Premium

Get America’s most useful and respected dictionary, optimized for your Android device. Continuously updated with …

NOTE: This app acts as a Pro license to the free app. You must have Lithium installed in addition to this app and then the Pro features will activate in the free app. • Sync: Keep your data bac…

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10,000+ downloads

Books & Reference

FaultException
10,000+ downloads
BOOKS_REFERENCE

NOTE: This app acts as a Pro license to the free app. You must have Lithium installed in addition to this app and then …

Calibre Companion

"100 Best Android Apps of 2019" - PCMag (https://www.pcmag.com/article/362295/the-100-best-android-apps) Calibre Companion (CC), recommended by calibre developers, is three applications in…

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100,000+ downloads

Books & Reference

Samuel Cohen
100,000+ downloads
BOOKS_REFERENCE

Calibre Companion

"100 Best Android Apps of 2019" - PCMag (https://www.pcmag.com/article/362295/the-100-best-android-apps) Cal…

Nighty Night Forest

"Nighty Night Forest" is the sequel to our popular bedtime apps "Nighty Night" and "Nighty Night Circus". More than 8 million parents around the world bring their childr…

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10,000+ downloads

Books & Reference

Fox & Sheep
10,000+ downloads
BOOKS_REFERENCE

Nighty Night Forest

"Nighty Night Forest" is the sequel to our popular bedtime apps "Nighty Night" and "Nighty Nig…

Cepher Publishing Group

Note for users upgrading from the previous version of The Cepher: DO NOT UNINSTALL the old Cepher App before installing this new release as this will remove all your notes! You must keep the old app …

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10,000+ downloads

Books & Reference

Cepher Publishing Group
10,000+ downloads
BOOKS_REFERENCE

Note for users upgrading from the previous version of The Cepher: DO NOT UNINSTALL the old Cepher App before installing…

Guide For Stardew

🌟 Discover Information Quickly and Easily Without Internet Data! 🌟 🌍 Supported Languages: ✔️English (en-US) ✔️Español (es-ES) ✔️Português (pt-BR) ✔️Indonesia (in-ID) With this app, …

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1,000+ downloads

Books & Reference

WisnuNug
1,000+ downloads
BOOKS_REFERENCE

Guide For Stardew

🌟 Discover Information Quickly and Easily Without Internet Data! 🌟 🌍 Supported Languages: ✔️English (en-US) ✔️Espa&…

Modern Essentials Plus

Get your dōTERRA® oils game on—wherever you go—with the #1 app for Wellness Advocates! Modern Essentials™ Plus offers beautiful graphic design, simplified navigation, and cuttin…

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10,000+ downloads

Books & Reference

AromaTools
10,000+ downloads
BOOKS_REFERENCE

Modern Essentials Plus

Get your dōTERRA® oils game on—wherever you go—with the #1 app for Wellness Advocates! Modern Essential…

Prime English-Korean Dict.

Dong-A publishing co., ltd

☆A recommended dictionary by ELLAK(The English Language & Literature Association of Korea)! ☆Contents Features ★★★★★ -Includes maximum number of vocabularies, affluent example sentences and vari…

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10,000+ downloads

Books & Reference

Dong-A publishing co., ltd
10,000+ downloads
BOOKS_REFERENCE

Prime English-Korean Dict.

☆A recommended dictionary by ELLAK(The English Language & Literature Association of Korea)! ☆Contents Features ★★★…

Users from Russia and Belarus, please read this article if you have any problems with downloading or using the application: https://support.google.com/googleplay/android-developer/answer/11950272?hl=…

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10,000+ downloads

Books & Reference

Olan AT&S Ltd.
10,000+ downloads
BOOKS_REFERENCE

Users from Russia and Belarus, please read this article if you have any problems with downloading or using the applicat…

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