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Popular Paid Books & Reference apps among people in their thirties

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
SPB English Cards
SPB Software
Traditional flash cards for learning English language enhanced with smartphone technologies like photos, native speakers' dubbing, learning progress visualization, smart adaptive algorithm, and detailed statistics. The program helps you to
$4.95
73
1,000+ downloads
|
BOOKS_REFERENCE
CompTIA A+ 220-701/702 Bundle
Upward Mobility
With detailed explanatory answers written by certified industry experts, our exam prep bundle is superior in content and UI to more expensive competitors. Your satisfaction is important to us and we have a no questions asked refund policy
$7.99
85
1,000+ downloads
|
BOOKS_REFERENCE
賽微隨身典 - 繁中
Cyberon Corp.
Cyberon Talking Dictionary is the most popular mobile phone pronunciation dictionary contains over 110,000 and practical, the British and Chinese word, phrase, contractions, pronounced with high-tech speech synthesis technology to provide s
$3.99
78
1,000+ downloads
|
BOOKS_REFERENCE
Electronics 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 "Electronics". The app provides: 1. Snack sized chapters for easy learning. 2. Bite siz
$1.99
87
5,000+ downloads
|
BOOKS_REFERENCE
Knots 3D
Nynix LLC
Tie, untie and rotate more than 90 knots with just your finger! Knots 3D will give you a whole new perspective on knots! Grab some rope and have fun! - #1 Knot Reference in 75 Countries* - Included in Scouting Magazine's "Ultimate List o
$0.99
94
10,000+ downloads
|
BOOKS_REFERENCE
Merriam-Webster's Unabridged
Paragon Software GmbH
Merriam-Webster’s Third New International Dictionary, Unabridged - America's most comprehensive dictionary. ------------ Dictionary Details: • Over 257,244 entries and 700,000 definitions • 143,000 etymologies describing word origins and
$34.83
80
1,000+ downloads
|
BOOKS_REFERENCE
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