Sort by

Filter by
Off
Free
Paid
New
Updated
Price Reduced
App2SD supported

Popular Paid Books & Reference apps among people in their thirties

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
83
5,000+ 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
500,000+ downloads
|
BOOKS_REFERENCE
Crystal Guide Pocket Edition
M.Stevens
The award-winning premium reference for crystals, gem stones and minerals. Includes detailed facts, geological and crystal healing data (including spiritual, numerology, elixir and chakra information) for hundreds of stones, in a fully sea
$1.67
94
5,000+ downloads
|
BOOKS_REFERENCE
Amplified: The Bible Study App
Harper Collins Christian Publishing
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
94
5,000+ 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
Audubon Mushrooms
Green Mountain Digital
The best 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 are prou
$3.99
71
1,000+ downloads
|
BOOKS_REFERENCE
Touch Bible (KJV + Strong's)
Patrick Franklin
This KJV Bible *works without internet,* includes the Strong's Hebrew and Greek lexicons, definitions form multiple resources, can be installed on an SD card and more! Now Touch Bible can read† the Bible to you using the Text-To-Speech cap
$0.99
91
10,000+ downloads
|
BOOKS_REFERENCE
Birds PRO
NATURE MOBILE GmbH
Do you know birds? Birds PRO - NATURE MOBILE - is a stylish and easy-to-use IDENTIFICATION GUIDE with an integrated PICTURE and SOUND QUIZ GAME. Read fascinating information and learn facts about 230 common European bird species; browse mo
$13.78
85
5,000+ downloads
|
BOOKS_REFERENCE
NIV: The Bible Study App
Harper Collins Christian Publishing
This version of the Olive Tree Bible Study App includes the NIV 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 resources including commenta
$9.99
90
10,000+ downloads
|
BOOKS_REFERENCE
 Previous 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next