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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
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
TerraTime
Udell Enterprises, Inc
Visually stunning real-time virtual Earth. Fed by satellite imagery to display day/night, clouds, seasons, sun, moon and more. Day/night clock (with widget) tracks phases of the moon, sunrise, sunset and transit times. "Superbly stylish,
$2.99
89
50,000+ downloads
|
BOOKS_REFERENCE
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
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
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BOOKS_REFERENCE
Korean->English Dictionary
QTranslator
1. This dictionary app is only supported on LG mobile devices with QTranslator or Dictionary v3.0 installed. It cannot be run standalone. 2. When using this app with QTranslator, just aim the camera to the chosen word and you get a transla
$4.31
46
100+ downloads
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BOOKS_REFERENCE
Japanese->Korean Dictionary
QTranslator
1. This dictionary app is only supported on LG mobile devices with QTranslator or Dictionary v3.0 installed. It cannot be run standalone. 2. When using this app with QTranslator, just aim the camera to the chosen word and you get a transla
$4.31
50
50+ downloads
|
BOOKS_REFERENCE
English-French dictionary
Editions Larousse
New French / English dictionary application for android mobile now available from Larousse, leading dictionary and reference book publisher. - 250,000 words and phrases - 400,000 translations illustrating all nuances of meaning - Recorded p
$5.75
78
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
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BOOKS_REFERENCE
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