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Popular Paid Books & Reference apps among people in their thirties

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
Offline dictionaries pro
NGHS.fr
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! Download dictionaries you want to the SD ca
$2.07
88
10,000+ downloads
|
BOOKS_REFERENCE
Audubon Trees
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
58
5,000+ downloads
|
BOOKS_REFERENCE
ESV Strong's: Bible Study App
Harper Collins Christian Publishing
This version of the Olive Tree Bible Study App comes bundled with the ESV with Strong's 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 reso
$14.99
90
5,000+ downloads
|
BOOKS_REFERENCE
Dictionary - M-W Premium
Merriam-Webster Inc.
In addition to all the definitions from Merriam-Webster's Collegiate Dictionary, and all the synonyms and antonyms from Merriam-Webster’s Collegiate Thesaurus, the app offers voice search – to let you look up a word without having to spell
$2.99
88
50,000+ downloads
|
BOOKS_REFERENCE
Japanese->Korean Dictionary
QTranslator
* QTranslator cannot be supported after G Pro 2. * You cannot use and purchase TTS(Text-to-speech). ------------------------------- 1. This dictionary app is only supported on LG mobile devices with QTranslator or Dictionary v3.0 installe
$4.31
50
50+ downloads
|
BOOKS_REFERENCE
Divine Office
Divine Office, Catholic Ministry
The Best Catholic iPhone and iPad App is finally available for your Android Phone! [About.com Reader's Choice Awards 2011/2012/2013 winner]. This app is an opportunity for you to participate in the recitation of the Liturgy of the Hours: th
$14.99
89
10,000+ downloads
|
BOOKS_REFERENCE
Basic Spanish For Dummies
Skava
Whether you want to take up Spanish from scratch or brush up on your existing skills for study or travel, this app is for you. App features audio playback of all words and phrases, along with flashcards, basics, dictionary, video tutorials
$1.99
73
5,000+ downloads
|
BOOKS_REFERENCE
Audubon Wildflowers
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
64
5,000+ 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
|
BOOKS_REFERENCE
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