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 September 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 2025-09-19.

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…

app screenshot

app screenshot

app screenshot

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…

app screenshot

app screenshot

app screenshot

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…

app screenshot

app screenshot

app screenshot

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'…

app screenshot

app screenshot

app screenshot

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…

app screenshot

app screenshot

app screenshot

5,000+ downloads

Books & Reference

The Bear Essentials Outdoors Co. LTD.
5,000+ 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…

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…

app screenshot

app screenshot

app screenshot

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, …

app screenshot

app screenshot

app screenshot

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 …

app screenshot

app screenshot

app screenshot

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…

app screenshot

app screenshot

app screenshot

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…

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…

app screenshot

app screenshot

app screenshot

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…

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, …

app screenshot

app screenshot

app screenshot

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…

Kuro Reader+ Pro

* This app is just a reader, and doesn't include any files. Use this app to read only legally purchased content. Pro / Paid features • Dark themes • 7 extra themes, including dark and amol…

app screenshot

app screenshot

app screenshot

5,000+ downloads

Books & Reference

Kuro to Shiro
5,000+ downloads
BOOKS_REFERENCE

Kuro Reader+ Pro

* This app is just a reader, and doesn't include any files. Use this app to read only legally purchased content. Pro /…

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…

app screenshot

app screenshot

app screenshot

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 …

app screenshot

app screenshot

app screenshot

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…

RhymeZone Rhyming Dictionary

Merriam-Webster Inc.

The official RhymeZone Android app is a fast, powerful rhyming dictionary and thesaurus that you can use anywhere, even if you're not on the Internet. Quickly find rhymes, near rhymes, synonyms, ant…

app screenshot

app screenshot

app screenshot

10,000+ downloads

Books & Reference

Merriam-Webster Inc.
10,000+ downloads
BOOKS_REFERENCE

RhymeZone Rhyming Dictionary

The official RhymeZone Android app is a fast, powerful rhyming dictionary and thesaurus that you can use anywhere, even…

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=…

app screenshot

app screenshot

app screenshot

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…

Touch Bible (KJV + Strong's)

Patrick Franklin

This KJV Bible *works without internet,* includes the Strong's Hebrew and Greek lexicons, definitions form multiple resources, can be installed on an SD card and more! Now Touch Bible can read&dagge…

app screenshot

app screenshot

app screenshot

10,000+ downloads

Books & Reference

Patrick Franklin
10,000+ downloads
BOOKS_REFERENCE

Touch Bible (KJV + Strong's)

This KJV Bible *works without internet,* includes the Strong's Hebrew and Greek lexicons, definitions form multiple re…

Offline dictionaries pro

Offline dictionaries allows you to browse dictionaries without a network connection, such as when you're on a plane, traveling abroad, out of cellular tower range or if you want to save battery! Do…

app screenshot

app screenshot

app screenshot

10,000+ downloads

Books & Reference

NGHS.fr
10,000+ downloads
BOOKS_REFERENCE

Offline dictionaries pro

Offline dictionaries allows you to browse dictionaries without a network connection, such as when you're on a plane, tr…

German Dictionary Pro

Netzverb® Deutsch

Interface and translations also in Russian, Arabic, French, Turkish, Spanish, Persian/Farsi, Portuguese, Indonesian, Czech, Ukrainian. 30+ translation languages incl. Polish, Italian. Essentials (fo…

app screenshot

app screenshot

app screenshot

1,000+ downloads

Books & Reference

Netzverb® Deutsch
1,000+ downloads
BOOKS_REFERENCE

German Dictionary Pro

Interface and translations also in Russian, Arabic, French, Turkish, Spanish, Persian/Farsi, Portuguese, Indonesian, Cz…

Thai < > English Dictionary

Paiboon Publishing and Word in the Hand

Whether you're on a short trip to Thailand, working with Thais, or studying the Thai language in-depth, this is the one dictionary you can really use. 195,000+ entries (250,000+ translations), plus …

app screenshot

app screenshot

app screenshot

5,000+ downloads

Books & Reference

Paiboon Publishing and Word in the Hand
5,000+ downloads
BOOKS_REFERENCE

Thai < > English Dictionary

Whether you're on a short trip to Thailand, working with Thais, or studying the Thai language in-depth, this is the one…