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 June 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 2025-06-11.

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
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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…

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…

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…

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…

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…

Librera PRO - Book reader

Librera Reader PRO is an easy-to-use and highly configurable reading app that supports most popular document formats, including: PDF, EPUB, EPUB3, MOBI, DjVu, FB2, FB2.zip, DOC, DOCX, TXT, RTF, AZW, …

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50,000+ downloads

Books & Reference

Librera
50,000+ downloads
BOOKS_REFERENCE

Librera PRO - Book reader

Librera Reader PRO is an easy-to-use and highly configurable reading app that supports most popular document formats, i…

iQuran – القران الكريم

Beehive Innovation FZE

******************************************** ** NEWS ** ** iQuran will now be sold for a fraction of its original price, down to $1.99 from $6.99. InshAllah ** the new price effectively makes iQuran…

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100,000+ downloads

Books & Reference

Beehive Innovation FZE
100,000+ downloads
BOOKS_REFERENCE

iQuran – القران الكريم

******************************************** ** NEWS ** ** iQuran will now be sold for a fraction of its original pric…

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…

Sibley Birds 2nd Edition

mydigitalearth.com

🐦 The new Sibley Bird identifier app has arrived with comprehensive, up-to-date information on over 930 North American bird species. Use it for bird identification based on bird calls or pictures. G…

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10,000+ downloads

Books & Reference

mydigitalearth.com
10,000+ downloads
BOOKS_REFERENCE

Sibley Birds 2nd Edition

🐦 The new Sibley Bird identifier app has arrived with comprehensive, up-to-date information on over 930 North American…

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…

Knot IQ - Supporters Edition

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 100+ MORE knots …

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Books & Reference

The Bear Essentials Outdoors Co. LTD.
500+ downloads
BOOKS_REFERENCE

Knot IQ - Supporters Edition

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

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…

TheFreeDictionary.com – Farlex

Dictionary Pro is the premium version of The Free Dictionary app, featuring offline dictionary and thesaurus content with NO ads. Here's what you get: * 100% ad-free dictionary content. * A huge Eng…

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50,000+ downloads

Books & Reference

TheFreeDictionary.com – Farlex
50,000+ downloads
BOOKS_REFERENCE

Dictionary Pro is the premium version of The Free Dictionary app, featuring offline dictionary and thesaurus content wi…

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 ★★★…

Morcombe's Birds of Australia

mydigitalearth.com

NB: Please note that an additional download of 325MB is required once this app has been installed. Please ensure you use a WiFi connection to prevent additional data costs. Michael Morcombe's Field …

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10,000+ downloads

Books & Reference

mydigitalearth.com
10,000+ downloads
BOOKS_REFERENCE

Morcombe's Birds of Australia

NB: Please note that an additional download of 325MB is required once this app has been installed. Please ensure you us…

Chambers Thesaurus

WordWeb Software

New: Now the latest 5th Edition! The Chambers Thesaurus is the perfect reference for writers and word game enthusiasts, while all lovers of language will find it a pleasure to browse through. There …

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10,000+ downloads

Books & Reference

WordWeb Software
10,000+ downloads
BOOKS_REFERENCE

Chambers Thesaurus

New: Now the latest 5th Edition! The Chambers Thesaurus is the perfect reference for writers and word game enthusiasts…