Yahoo, WashPo Reader, Pandora, Skype, Causes, and More on This Week’s Top 20 Growing Facebook Apps by DAU

Yahoo topped our list of the fastest-growing Facebook applications by daily active users this week, and several other Connect integrations that made the list, too. Then there was a variety of apps, including a tab app, the Washington Post Social Reader, Pandora, Pinterest, Skype, a greeting card app and Causes. The titles below grew from between 130,000 and 3.9 million DAU, based on AppData, our data tracking service covering growth for apps on Facebook.

Editor’s Note: Facebook is currently experiencing a data reporting issue that has resulted in delays to reporting traffic numbers for apps and developers. Facebook is working to resolve the issue, and we will continue to post updates here.

Top Gainers This Week

1.  Yahoo!10,500,000+3,900,000+ 59%
2.  Static Iframe Tab1,600,000+730,000+ 84%
3.  Bing3,900,000+600,000+ 18%
4.  CityVille10,000,000+400,000+ 4%
5.  Diamond Dash3,100,000+300,000+ 11%
6.  FarmVille7,300,000+300,000+ 4%
7.  Words With Friends5,900,000+300,000+ 5%
8.  JibJab510,000+220,000+ 76%
9.  Washington Post Social Reader360,000+210,000+ 140%
10.  Bejeweled Blitz2,900,000+200,000+ 7%
11.  Bubble Witch Saga3,400,000+200,000+ 6%
12.  Pandora1,400,000+200,000+ 17%
13.  Pinterest870,000+200,000+ 30%
14.  Skype2,300,000+200,000+ 10%
15.  Yahoo!990,000+200,000+ 25%
16.  RSS Graffiti260,000+190,000+ 271%
17. Link160,000+159,500+ 31,900%
18.  MeinKalender – Geburtstag170,000+150,000+ 750%
19.  Greetings1,100,000+140,000+ 15%
20.  Causes390,000+130,000+ 50%

Yahoo topped our list with 3.9 million DAU, and to appear again on the list with 200,000 DAU of its news activity app. Other Connect apps on the list included Bing with 600,000 DAU and Link with 160,000 DAU.

There was a tab app, Static Iframe Tab, with 730,000 DAU. JibJab had 220,000 DAU. Washington Post Social Reader grew 210,000 DAU, Pandora by 200,000 DAU, online pinboard Pinterest grew by 200,000 DAU, Skype by 200,000 DAU and RSS Graffiti, which posts RSS items to Facebook feeds, grew by 190,000 DAU.

Finally, holiday–related apps were also on the list. MeinKalender – Geburtstag tells users it will create a customized calendar, but first users must invite their friends. This app grew by 150,000 DAU. Greetings grew by 140,000 DAU, and is a Connect integration that allows users to easily send greeting cards to their friends. Lastly, Causes made our list again, with 130,000 DAU. This app presents several opportunities for users to share its use to the stream via Connect.

All data in this post comes from our traffic tracking service, AppData. Stay tuned for our look at the top emerging apps on Friday.