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Popular Paid Books & Reference apps among people in their thirties

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
$4.95
73
1,000+ downloads
|
BOOKS_REFERENCE
Universal Book Reader Full Key
Mobile Systems
SPECIAL DISCOUNT 6.99$ > 3.49$! This key unlocks UB Reader and removes all advertisements. Please Note: You must have UB Reader FREE version installed and the Full Version Key in order to unlock all your Full Version Key features! Univ
$3.49
85
10,000+ 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
86
5,000+ downloads
|
BOOKS_REFERENCE
SPB Spanish Cards
SPB Software
Traditional flash cards for learning Spanish 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
80
500+ downloads
|
BOOKS_REFERENCE
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