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Popular Paid Books & Reference apps among people in their thirties

Physics by WAGmob
WAGmob (Simple 'n Easy)
*****WAGmob: An eBook and app platform for learning, teaching and training !!!***** WAGmob brings you simpleNEasy, on-the-go learning app for "Physics". The app provides: 1. Snack sized chapters for easy learning. 2. Bite sized flashcards
$1.99
83
5,000+ downloads
|
BOOKS_REFERENCE
Calibre Library
Tony Maro
Connect wirelessly to your Calibre e-book library or other Stanza source. Browse and download your e-books on the go. ** Fully Tested on the new Nexus 7 Tablet ** Pair with Nook, FBReader or another e-book reading application for a compl
$2.99
75
10,000+ downloads
|
BOOKS_REFERENCE
Marijuana Encyclopedia
VictorF Enterprises LLC
Version 2.0 Medical Marijuana Encyclopedia Amazing resource for anyone interested in cannabis. Search from a database of 460+ strains with images, descriptions of taste, smell, high, genetics, THC content and more. The ultimate resource
$0.99
83
10,000+ downloads
|
BOOKS_REFERENCE
Oxford Advanced Learner's 8
Oxford University Press ELT.
Improve your English language skills with the Oxford Advanced Learner’s Dictionary. Understand what words mean. Learn how to say them. Know how to use them. --------------- For more information please visit our Oxford Learner’s Dictionarie
$30.69
89
10,000+ downloads
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BOOKS_REFERENCE
Chord! (Guitar Chord Finder)
RabugenTom
Chord! is at the same time the simplest and the most complete chords and scales app for guitar or any fretted instrument like bass, ukulele, banjo, etc. Unlike other chord charts app, Chord! doesn't rely on a database of charts. Instead, i
$4.12
95
10,000+ downloads
|
BOOKS_REFERENCE
Dictionary.com Premium
Dictionary.com, LLC
The #1 AD-FREE Premium English dictionary app for Android since 2010—with over 2,000,000 definitions and synonyms from Dictionary.com & Thesaurus.com! Enjoy exclusive Premium features, like example sentences, no ads and more! ★ Time Magazi
$2.99
93
100,000+ downloads
|
BOOKS_REFERENCE
Audubon Butterflies
Green Mountain Digital
The perfect field guide for the season! Nothing beats Audubon mobile field guides! With 1 million downloads, they are the most trusted authoritative field guide collection in North America. Highest quality at an affordable price. We are p
$3.99
72
5,000+ downloads
|
BOOKS_REFERENCE
Searchable ERG
STKI Concepts
v1.1-updated UI, selectable font size. Search or browse the Emergency Response Guidebook tables. Includes browsing and searching by UN Number or substance name. Includes guide text and Toxic Inhalation Hazard distances (Table 1). Does n
$1.49
90
1,000+ downloads
|
BOOKS_REFERENCE
Audubon Birds Pro
Green Mountain Digital
The perfect field guide for the season! Nothing beats Audubon mobile field guides! With 1 million downloads, they are the most trusted authoritative field guide collection in North America. Highest quality at an affordable price. The awar
$3.99
76
10,000+ downloads
|
BOOKS_REFERENCE
Amplified Bible
Tecarta, Inc.
The Amplified Bible for Android The FASTEST Bible app and most efficient way to read & study the Bible. Quickly navigate to any verse and easily access tools to help further your understanding of the Bible. Over 5 million downloads on both
$4.99
94
10,000+ downloads
|
BOOKS_REFERENCE
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