![Ladder encyclopedia knowledge base 600 + [audio bedtime select] icon](https://is3-ssl.mzstatic.com/image/thumb/Purple62/v4/8a/3e/57/8a3e570b-16cf-bab8-458b-3e344293084e/source/512x512bb.jpg)
What's New
1, support iOS6.
2, support iPhone5.
3, fix bug.
App Description
nearly 600 ladder encyclopedia sound knowledge, is 50000 minutes long speech
17 categories include 9:28, history, animals, science, character and so on
support classic classification, keyword search, a button to enter a child's love to hear the story of the painted
Including:
X-ray
gravitation
Flightless bird
East Africa
amphibians
Denmark
The crow
instruments
books
cloud
Alexander the great
Asian wildlife
The Assyrian empire
Human body
The human society
Human evolution
Code and password
Israel
penguins
Iran and Iraq
Itec Russ candy man
Elizabeth I
Immune and lymph system
Rabbit and the hare
Military aircraft
warships
agriculture
Agricultural history
Winter sports
hibernate
Glaciers role
Julius Caesar
La Wei and other insectivorous this animal
Force and motion
Caribbean
Canada
Canadian history
animals
zoo
Animals of the migration of
Animal flight
North American history
North American wild creatures
medical
The sun and the solar system
Olaf MeiKeRen
……
iPhone Screenshots
(click to enlarge)
![Ladder encyclopedia knowledge base 600 + [audio bedtime select] screenshot 1](https://a4.mzstatic.com/us/r30/Purple/v4/0a/18/22/0a18229e-9a6f-1d5b-10ef-c04b720bcc78/screen320x480.jpeg)
![Ladder encyclopedia knowledge base 600 + [audio bedtime select] screenshot 2](https://a1.mzstatic.com/us/r30/Purple/v4/48/20/df/4820df74-54f7-9cbb-7a49-4494bb874e75/screen320x480.jpeg)
![Ladder encyclopedia knowledge base 600 + [audio bedtime select] screenshot 3](https://a3.mzstatic.com/us/r30/Purple/v4/47/cb/b1/47cbb151-70cd-83ed-8a21-709508ff4683/screen320x480.jpeg)
![Ladder encyclopedia knowledge base 600 + [audio bedtime select] screenshot 4](https://a2.mzstatic.com/us/r30/Purple/v4/bb/82/f4/bb82f4d5-d12d-a9f9-a95f-e9817fdeff3d/screen320x480.jpeg)
![Ladder encyclopedia knowledge base 600 + [audio bedtime select] screenshot 5](https://a1.mzstatic.com/us/r30/Purple/v4/26/b5/7a/26b57a65-3361-378d-b2bf-49743fe8b191/screen320x480.jpeg)
iPad Screenshots
(click to enlarge)
![Ladder encyclopedia knowledge base 600 + [audio bedtime select] screenshot 6](https://a3.mzstatic.com/us/r30/Purple/v4/44/db/c8/44dbc8bd-e0bc-5597-3cab-dd42f59bec82/screen480x480.jpeg)
![Ladder encyclopedia knowledge base 600 + [audio bedtime select] screenshot 7](https://a1.mzstatic.com/us/r30/Purple/v4/26/a1/bb/26a1bbc5-fbbd-af82-5723-b513fbcdc06d/screen480x480.jpeg)
![Ladder encyclopedia knowledge base 600 + [audio bedtime select] screenshot 8](https://a5.mzstatic.com/us/r30/Purple/v4/50/03/c2/5003c243-70dd-6e76-7eab-7d4328c0fb6d/screen480x480.jpeg)
![Ladder encyclopedia knowledge base 600 + [audio bedtime select] screenshot 9](https://a2.mzstatic.com/us/r30/Purple/v4/19/98/86/199886fd-fada-2914-fd77-e092d26e6daa/screen480x480.jpeg)
![Ladder encyclopedia knowledge base 600 + [audio bedtime select] screenshot 10](https://a3.mzstatic.com/us/r30/Purple/v4/79/b4/8c/79b48c2f-eec1-e816-4d9c-52625b3e1d86/screen480x480.jpeg)
App Changes
- June 17, 2014 Initial release
- August 01, 2014 Price decrease: $5.99 -> $4.99
- August 05, 2014 Price decrease: $4.99 -> FREE!
- August 13, 2014 Price increase: FREE! -> $4.99
- August 18, 2014 Price decrease: $4.99 -> FREE!
- September 02, 2014 Price increase: FREE! -> $5.99
- September 11, 2014 Price decrease: $5.99 -> FREE!
- September 15, 2014 Price increase: FREE! -> $5.99
- September 17, 2014 Price decrease: $5.99 -> FREE!
- September 24, 2014 Price increase: FREE! -> $5.99
- September 25, 2014 Price decrease: $5.99 -> FREE!
- September 30, 2014 Price increase: FREE! -> $5.99
- October 02, 2014 Price decrease: $5.99 -> FREE!
- October 08, 2014 Price increase: FREE! -> $5.99
- October 13, 2014 Price decrease: $5.99 -> FREE!
- October 17, 2014 Price increase: FREE! -> $4.99
- October 19, 2014 Price decrease: $4.99 -> FREE!
- October 22, 2014 Price increase: FREE! -> $4.99
- October 27, 2014 Price decrease: $4.99 -> FREE!
- November 07, 2014 Price increase: FREE! -> $4.99
- November 10, 2014 Price decrease: $4.99 -> FREE!
- November 14, 2014 Price increase: FREE! -> $4.99
- November 17, 2014 Price decrease: $4.99 -> FREE!
- November 20, 2014 Price increase: FREE! -> $4.99
- November 27, 2014 Price decrease: $4.99 -> FREE!
- December 04, 2014 Price increase: FREE! -> $4.99
- December 08, 2014 Price decrease: $4.99 -> FREE!
- December 12, 2014 Price increase: FREE! -> $4.99
- December 15, 2014 Price decrease: $4.99 -> FREE!
- December 18, 2014 Price increase: FREE! -> $4.99
- January 01, 2015 Price decrease: $4.99 -> FREE!
- January 04, 2015 Price increase: FREE! -> $4.99
- January 29, 2015 Price decrease: $4.99 -> FREE!
- February 15, 2015 Price increase: FREE! -> $4.99
- February 17, 2015 Price decrease: $4.99 -> FREE!
- February 22, 2015 Price increase: FREE! -> $4.99
- February 25, 2015 Price decrease: $4.99 -> FREE!
- March 01, 2015 Price increase: FREE! -> $4.99
- March 04, 2015 Price decrease: $4.99 -> FREE!
- March 08, 2015 Price increase: FREE! -> $4.99
- March 11, 2015 Price decrease: $4.99 -> FREE!
- March 20, 2015 Price increase: FREE! -> $4.99
- March 23, 2015 Price decrease: $4.99 -> FREE!
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- March 28, 2015 Price decrease: $4.99 -> FREE!
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- April 29, 2015 Price decrease: $4.99 -> FREE!
- May 04, 2015 Price increase: FREE! -> $4.99
- May 06, 2015 Price decrease: $4.99 -> FREE!
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- May 14, 2015 Price decrease: $4.99 -> FREE!
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- May 28, 2015 Price decrease: $4.99 -> FREE!
- June 01, 2015 Price increase: FREE! -> $4.99
- June 01, 2015 Price decrease: $4.99 -> FREE!
- June 03, 2015 Price increase: FREE! -> $4.99
- June 05, 2015 Price decrease: $4.99 -> FREE!
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- June 12, 2015 Price decrease: $4.99 -> FREE!
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- June 18, 2015 Price decrease: $4.99 -> FREE!
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- June 26, 2015 Price decrease: $4.99 -> FREE!
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- July 05, 2015 Price decrease: $4.99 -> FREE!
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- July 11, 2015 Price decrease: $4.99 -> FREE!
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- July 18, 2015 Price decrease: $4.99 -> FREE!
- July 22, 2015 Price increase: FREE! -> $4.99
- July 31, 2015 Price decrease: $4.99 -> FREE!
- August 04, 2015 Price increase: FREE! -> $4.99
- August 10, 2015 Price decrease: $4.99 -> FREE!
- August 14, 2015 Price increase: FREE! -> $4.99
- August 15, 2015 Price decrease: $4.99 -> FREE!
- August 20, 2015 Price increase: FREE! -> $4.99
- August 23, 2015 Price decrease: $4.99 -> FREE!
- August 26, 2015 Price increase: FREE! -> $4.99
- August 31, 2015 Price decrease: $4.99 -> FREE!
- September 08, 2015 Price increase: FREE! -> $4.99
- September 14, 2015 Price decrease: $4.99 -> FREE!
- September 15, 2015 Price increase: FREE! -> $4.99
- September 21, 2015 Price decrease: $4.99 -> FREE!
- September 23, 2015 Price increase: FREE! -> $4.99
- September 25, 2015 Price decrease: $4.99 -> FREE!
- September 30, 2015 Price increase: FREE! -> $4.99
- October 05, 2015 Price decrease: $4.99 -> FREE!
- October 08, 2015 Price increase: FREE! -> $4.99
- October 13, 2015 Price decrease: $4.99 -> FREE!
- October 20, 2015 Price increase: FREE! -> $4.99
- October 21, 2015 Price decrease: $4.99 -> FREE!
- October 27, 2015 Price increase: FREE! -> $4.99
- November 02, 2015 Price decrease: $4.99 -> FREE!
- November 03, 2015 Price increase: FREE! -> $4.99
- November 05, 2015 Price decrease: $4.99 -> FREE!
- November 09, 2015 Price increase: FREE! -> $4.99
- December 13, 2015 Price decrease: $4.99 -> FREE!
- December 14, 2015 Price increase: FREE! -> $4.99
- December 17, 2015 Price decrease: $4.99 -> FREE!
- December 21, 2015 Price increase: FREE! -> $4.99
- December 25, 2015 Price decrease: $4.99 -> FREE!
- January 02, 2016 Price increase: FREE! -> $4.99
- January 04, 2016 Price decrease: $4.99 -> FREE!
- January 10, 2016 Price increase: FREE! -> $4.99
- January 11, 2016 Price decrease: $4.99 -> FREE!
- January 14, 2016 Price increase: FREE! -> $4.99
- January 25, 2016 Price decrease: $4.99 -> FREE!
- January 26, 2016 Price increase: FREE! -> $4.99
- January 29, 2016 Price decrease: $4.99 -> FREE!
- February 03, 2016 Price increase: FREE! -> $4.99
- February 05, 2016 Price decrease: $4.99 -> FREE!
- February 21, 2016 Price increase: FREE! -> $4.99
- February 21, 2016 Price increase: FREE! -> $4.99
- February 24, 2016 Price decrease: $4.99 -> FREE!
- February 28, 2016 Price increase: FREE! -> $4.99
- March 02, 2016 Price decrease: $4.99 -> FREE!
- March 21, 2016 Price increase: FREE! -> $4.99
- March 23, 2016 Price decrease: $4.99 -> FREE!
- July 06, 2016 Price increase: FREE! -> $4.99
- July 10, 2016 Price decrease: $4.99 -> FREE!
- July 19, 2016 Price increase: FREE! -> $4.99
- July 21, 2016 Price decrease: $4.99 -> FREE!
- July 28, 2016 Price increase: FREE! -> $4.99
- August 01, 2016 Price decrease: $4.99 -> FREE!
- August 03, 2016 Price increase: FREE! -> $4.99
- August 05, 2016 Price decrease: $4.99 -> FREE!
- November 08, 2016 Price increase: FREE! -> $4.99
- December 05, 2016 Price decrease: $4.99 -> FREE!
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