Rank
|
Answer
|
Category
|
Date of Milestone
|
Estimated Installs*
|
1.
|
Google Play Services
|
Tools
|
January 29, 2014
|
5,775,056,735
|
2.
|
Google
|
Tools
|
December 2, 2014
|
4,870,772,223
|
3.
|
YouTube
|
Video Players
|
July 18, 2014
|
4,818,415,279
|
4.
|
Google Play Games
|
Entertainment
|
August 17, 2015
|
4,705,499,583
|
5.
|
Facebook
|
Social
|
August 28, 2014
|
4,131,971,019
|
6.
|
Gmail
|
Communication
|
May 10, 2014
|
3,905,330,543
|
7.
|
Messenger
|
Communication
|
June 11, 2015
|
3,334,254,768
|
8.
|
Google+
|
Social
|
December 27, 2014
|
3,252,802,916
|
9.
|
Google Text-to-Speech
|
Tools
|
March 11, 2015
|
3,162,631,535
|
10.
|
WhatsApp Messenger
|
Communication
|
March 12, 2015
|
2,945,629,220
|
11.
|
Google Chrome
|
Communication
|
June 26, 2015
|
2,939,323,904
|
12.
|
Google Drive
|
Productivity
|
October 12, 2015
|
2,926,524,703
|
13.
|
Hangouts
|
Communication
|
June 20, 2015
|
2,636,123,394
|
14.
|
Google Play Music
|
Music and Audio
|
August 23, 2015
|
2,475,393,845
|
15.
|
Maps
|
Travel and Local
|
June 6, 2014
|
2,474,046,838
|
16.
|
Google Play Movies & TV
|
Video Players
|
October 1, 2015
|
2,028,211,604
|
17.
|
Google Play Newsstand
|
News and Magazines
|
September 20, 2015
|
2,017,872,669
|
18.
|
Instagram
|
Social
|
August 16, 2016
|
1,830,088,938
|
19.
|
Google Talkback
|
Tools
|
August 18, 2015
|
1,728,031,297
|
20.
|
Google Play Books
|
Books and Reference
|
June 1, 2015
|
1,626,628,020
|
21.
|
Android System WebView
|
Tools
|
April 1, 2017
|
1,616,098,997
|
22.
|
Samsung Push Service
|
Communication
|
April 9, 2016
|
1,547,928,522
|
23.
|
Google Photos
|
Photography
|
June 1, 2017
|
1,385,647,907
|
24.
|
Google Street View
|
Travel and Local
|
June 23, 2017
|
1,045,056,609
|
25.
|
Skype
|
Communication
|
November 2, 2017
|
1,039,077,295
|
26.
|
Subway Surfers
|
Arcade
|
April 1, 2018
|
1,026,774,444
|
|