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Popular Paid Books & Reference apps among people in their thirties

PRO PDF Reader
Ivan Ivanenko
Book and Document Reader with PDF and DjVu for comfortable and pleasant read. If you are looking for a good PDF reader, stop here, you have found it. Small size, clear, functional, fully customizable, choose the way you prefer to read. Th
$4.84
88
10,000+ downloads
|
BOOKS_REFERENCE
NIV: The Bible Study App
Harper Collins Christian Publishing
This version of the Olive Tree Bible Study App includes the NIV and has been designed for deeper Bible study. Join over 4 million users on “The Bible Study App” and learn from great scholars through thousands of resources including commenta
$9.99
89
10,000+ downloads
|
BOOKS_REFERENCE
AcroBible NIV
AcroDesign Technologies
Study the Bible in a whole new way with AcroBible for Android. AcroBible is a native/off-line application designed to provide the best experience. The touch interface makes it easy to search and navigate the Bible. You do not need a Inter
$9.95
92
1,000+ downloads
|
BOOKS_REFERENCE
Audubon Insects & Spiders
Green Mountain Digital
The perfect field guide for the season! This introduction to 510 of the most common species of insects and spiders found in North America features in-depth information on each species, including habitat, range, size, and more, along with h
$3.99
56
5,000+ downloads
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BOOKS_REFERENCE
KeyChord - Piano Chords/Scales
Umito
This new version 2.0 has been featured on the Android Market and made it to the top selling list!! Keychord is the dynamic dictionary / reference app for piano chords and scales. Use it to find all the scales and chords! Also included is a
$4.12
93
10,000+ downloads
|
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
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BOOKS_REFERENCE
AcroBible NKJV Bible Suite
AcroDesign Technologies
Study the Bible in a whole new way with AcroBible for Android. AcroBible is a native/off-line application designed to provide the best experience. The touch interface makes it easy to search and navigate the Bible. You do not need a Inter
$7.95
89
1,000+ downloads
|
BOOKS_REFERENCE
BKS Medical Dictionary
BEIKS LLC
Everyone should have a Medical Dictionary, but it is particularly important for medical students and allied health professionals. The Medical Dictionary for Android, contains easy-to-understand explanations of over 38,000 medical terms.
$9.97
60
100+ downloads
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BOOKS_REFERENCE
SPB French Cards
SPB Software
Traditional flash cards for learning French language enhanced with smartphone technologies like photos, native speakers' dubbing, learning progress visualization, smart adaptive algorithm, and detailed statistics. The program helps you to s
$4.95
86
100+ downloads
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BOOKS_REFERENCE
MBA - simpleNeasyApp 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 "MBA". The app provides: 1. Snack sized chapters for easy learning. 2. Bite sized flash
$1.99
90
1,000+ downloads
|
BOOKS_REFERENCE
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