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Popular Paid Books & Reference apps among people in their thirties

Audubon Birds Pro
Green Mountain Digital
The best mobile 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
$3.99
77
10,000+ downloads
|
BOOKS_REFERENCE
Sundroid Pro Sunrise Sunset
Visalia Mobile Ltd
Calculates sunrise, sunset, twilights, golden hours, length of day, the path of the sun and moon, moonrise & moonset times and more for any date, anywhere in the world. Handy for astronomy, photography, outdoor activities, planning gardens,
$3.33
93
10,000+ downloads
|
BOOKS_REFERENCE
New York Penal Code
CCJR Mobile LLC
New York Penal Code for Android is the complete New York Penal Code in your Android smartphone. It's available in an easily browsable and searchable format, and is suitable for law students or anyone working in law enforcement or in crimina
$3.99
70
1,000+ downloads
|
BOOKS_REFERENCE
NKJV Bible
Tecarta, Inc.
The NKJV 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 iOS
$4.99
94
10,000+ downloads
|
BOOKS_REFERENCE
Ambling BookPlayer Personal
Ambling Books
The premium player for listening to audio books. Download thousands of free audio books from AmblingBooks.com, or purchase best selling mp3 audio book titles, or listen to audio books that you already own. Never lose your place in an audio
$5.99
86
1,000+ downloads
|
BOOKS_REFERENCE
Sasol eBirds
mydigitalearth.com
The Sasol e.Birds of Southern Africa is an interactive version of the best-selling Sasol Birds of Southern Africa field guide. This application has specific features that will enhance your birding experience. NB: Please note that an additi
$29.99
79
5,000+ downloads
|
BOOKS_REFERENCE
Crystal Guideā„¢ Pocket Edition
M.Stevens
The award-winning premium pocket reference for crystals, gemstones and minerals. Includes detailed facts, geological data and crystal healing, spiritual, numerology, elixir and chakra information for hundreds of crystals and gemstones.
$1.67
95
5,000+ downloads
|
BOOKS_REFERENCE
Amplified: The Bible Study App
Olive Tree Bible Software
This version of the Olive Tree Bible Study App comes bundled with the Amplified version of the Bible and has been designed for deeper Bible study. Join over 4 million users on “The Bible Study App” and learn from great scholars through thou
$15.99
93
5,000+ downloads
|
BOOKS_REFERENCE
Audubon Mushrooms
Green Mountain Digital
The best mobile 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 a
$3.99
71
1,000+ downloads
|
BOOKS_REFERENCE
WikiMobile 2 Pro for Wikipedia
Bonfire Media, Inc.
Wikipedia like you've never seen before! "Best Reference App" - Android Network Awards "The Top 10 Coolest Things At CTIA" - mocoNews.net "Favorite Mobile App" - Wave Award WikiMobile 2 is the #1 coolest way to experience Wikipedia.
$3.99
90
1,000+ downloads
|
BOOKS_REFERENCE
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