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Popular Paid Books & Reference apps in the United States

ESV Strong's: Bible Study App
Olive Tree Bible Software
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
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BOOKS_REFERENCE
Animated Knots by Grog
Grog LLC
Named the best knot-tying app by Outside Magazine! Animated Knots by Grog is simply the best and most comprehensive teaching and reference tool for boaters, climbers, fishermen, scouts and hobbyists. Watch as knots tie themselves in simple
$4.99
91
10,000+ downloads
|
BOOKS_REFERENCE
iMissal - #1 Catholic App
Cantcha, Inc
iMissal has been granted an official Imprimatur from the Catholic Church and is approved for use! In addition, iMissal is the only Catholic app of its kind that does not require WIFI/Cellular to access Mass Readings! You get access to Mass
$4.99
93
10,000+ downloads
|
BOOKS_REFERENCE
CompTIA Super Bundle
Upward Mobility
ON SALE FOR A LIMITED TIME ONLY Packed with over 1000 questions with detailed answers, Upward Mobility’s high-value CompTIA Super Bundle app is designed to escort you to the level of an advanced CompTIA network technician. Your satisfacti
$9.99
86
1,000+ downloads
|
BOOKS_REFERENCE
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
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
50,000+ downloads
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BOOKS_REFERENCE
Audubon Insects & Spiders
Green Mountain Digital
The best mobile 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 wi
$3.99
56
5,000+ downloads
|
BOOKS_REFERENCE
FactBook Ad-Free
Urbian
This is the ad-free version of the popular FactBook reference app, offering fast + easy access to the CIA World Fact Book and United Nations data and statistics. Info on many topics (incl. geography, population, economy etc.), presented cle
$2.99
86
5,000+ downloads
|
BOOKS_REFERENCE
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