Birthdays, Scribd, Spotify, The Guardian and Music Apps on This Week’s Top 20 Growing Facebook Apps by MAU

A birthday calendar application topped our list of the fastest growing by monthly active users this week, but a half dozen were Page tab apps, three were apps for musicians to integrate with their Pages, then Spotify, Scribd and a Halloween costume app rounded out our list.

The titles on our list gained the most MAU of any apps on the platform, growing from between 400,000 and 2.3 million MAU, based on AppData, our data tracking service covering traffic growth for apps on Facebook.

Top Gainers This Week

1.  Zynga Game Bar2,800,000+2,370,000+551%
2.  MyCalendar – Birthdays19,200,000+1,500,000+8%
3.  Static Iframe Tab15,100,000+1,200,000+9%
4.  Static HTML: iframe tabs62,100,000+1,000,000+2%
5.  Scribd10,400,000+900,000+9%
6.  Mafia Wars 28,000,000+837,909+40,072%
7.  PM Custom Welcome Tab7,200,000+800,000+13%
8.  Wildfire’s iFrames for Pages8,400,000+600,000+8%
9.  Welcome tab app for Pages11,300,000+600,000+6%
10.  Bubble Witch Saga4,500,000+566,980+20%
11.  開心水族箱3,500,000+500,000+17%
12.  BandPage by RootMusic28,000,000+500,000+2%
13.  The Guardian1,200,000+470,000+64%
14.  Disfrázate1,000,000+450,000+82%
15.  Ravenskye City2,200,000+442,220+1,592%
16.  BandRx4,900,000+400,000+9%
17.  Banner de perfil en espagnol1,600,000+400,000+33%
18.  iwipa: HTML + iframe + FBML16,900,000+400,000+2%
19.  Spotify7,300,000+400,000+6%
20.  Band Profile: Profile Pages for Musicians12,700,000+400,000+3%

As previously mentioned, MyCalendar – Birthdays is an app that grew by 1.5 million MAU and asks users to first invite their friends to use it before being able to add their birthdays to a customized calendar.

Page tab apps on the list this week included one interesting highlight, which is Wildfire’s iFrames app. There was Static Iframe Tab with 1.2 million MAU, Static HTML: iframe tabs with 1 million MAU, PM Custom Welcome Tab with 800,000 MAU, Wildfire’s iFrames for Pages with 600,000 MAU, Welcome tab app for Pages with 600,000 MAU and then  iwipa: HTML + iframe + FBML with 400,000 MAU.

Musician applications on our list this week included BandPage by RootMusic with 500,000 MAU, BandRx with 400,000 MAU and finally Band Profile: Profile Pages for Musicians, which can automatically synchronize with ReverbNation, with 400,000 MAU.

Rounding out the list was Scribd with 900,000 MAU; the Connect integration has added several social components, including allow a Facebook Connect login, a Share and a Like button attached to each document. The Guardian’s app continues to grow with 470,000 MAU. Halloween costume app Disfrázate, which allows users to “try on” costumes them publish photos of themselves dressed up to the stream, grew by 450,000 MAU. Banner de perfil en espagnol, which allows users to select from among different photos and then create an image across the top of their profile, grew by 400,000 MAU. Finally, there was music app Spotify, which grew by 400,000 MAU.

All data in this post comes from our traffic tracking service, AppData. Stay tuned for our look at the top weekly gainers by daily active users on Wednesday, and the top emerging apps on Friday.