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Popular Paid Books & Reference apps among people in their twenties

Book Collection + Catalog
Metosphere
Are you a voracious book reader? Do you have trouble keeping track of all your books? Manage your book catalog with this app. Keep track of your book collection along with personal ratings and notes. Check to see if you already own a boo
$3.99
81
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
Grimm's Red Riding Hood
StoryToys
♥ Escape into a rich fantasy world with Grimm’s Red Riding Hood from Story Toys ♥ Includes language packs for English, French, German, Spanish, Italian, Korean and Simplified Chinese. ★ “Stunning. If I had to sum up this app in one word
$3.35
82
5,000+ 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
Me Too! - Little Critter
Oceanhouse Media, Inc.
★ "Fabulous" - CNET ★ One of the 10 Best Apps for Pre-Readers - Babble.com ★ Young kids will enjoy the stories of Little Critter - PadGadget.com Little Critter's little sister tags along wherever he goes. When he plays football with his
$1.99
92
10,000+ downloads
|
BOOKS_REFERENCE
SPB French Cards
SPB Software
Traditional flash cards for learning French language enhanced with smartphone technologies like photos, native speakers' dubbing, learning progress visualization, smart adaptive algorithm, and detailed statistics. The program helps you to s
$4.95
86
100+ downloads
|
BOOKS_REFERENCE
Talking Translator Pro
GreenLife Apps
Translate many languages - includes offline dictionary - includes Word of the day for Spanish - translation history - share translation via eMail, SMS, Facebook, Twitter etc. NOTE: the app now uses SMS permission so you can translate incom
$2.99
91
10,000+ downloads
|
BOOKS_REFERENCE
WolframAlpha
Wolfram Group
Remember the Star Trek computer? It's finally happening--with Wolfram|Alpha. Building on 25 years of development led by Stephen Wolfram, Wolfram|Alpha has rapidly become the world's definitive source for instant expert knowledge and computa
$2.99
92
100,000+ downloads
|
BOOKS_REFERENCE
Sweet Card Messages
My App Catalog LLC
Happy Holidays. App on sale for a limited time. Finding the right words, perfect phrases to personalize your greeting cards (or send SMS/Email these sweet messages to your friends, family) Are you lost for words? Need some inspiration? W
$0.99
80
1,000+ downloads
|
BOOKS_REFERENCE
Oxford Advanced Learner's 8
Oxford University Press ELT.
Improve your English language skills with the Oxford Advanced Learner’s Dictionary. Understand what words mean. Learn how to say them. Know how to use them. --------------- For more information please visit our Oxford Learner’s Dictionarie
$30.69
89
10,000+ downloads
|
BOOKS_REFERENCE
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