Top 10 Free Android Apps.

1. Gmail

Top 10 Free Android Apps-Gmail

Owner: Google
Category: Communication
Initial Release: April 01, 2004
Users: 1 Billion+
Size: Varies with device

2. Google Maps

Top 10 Free Android Apps-Google Maps

Owner: Google
Category: Travel & Local
Initial Release: September 23, 2008
Users: 1 Billion+
Size: Varies with device

3. Youtube

Top 10 Free Android Apps-YouTube

Owner: Google
Category: Media & Video
Initial Release: February 14, 2005
Users: 1 Billion+
Size: Varies with device

4. Facebook

Top 10 Free Android Apps-Facebook

Owner: Facebook
Category: Social
Initial Release: February 04, 2004
Users: 1 Billion+
Size: Varies with device

5. Google Search

Top 10 Free Android Apps-Google Search

Owner: Google
Category: Tools
Initial Release: September 15, 1997
Users: 1 Billion+
Size: Varies with device

6. Google+

Top 10 Free Android Apps-Google Plus

Owner: Google
Category: Social
Initial Release: June 28, 2011
Users: 1 Billion+
Size: Varies with device

7. WhatsApp Messenger

WhatsApp

Owner: Facebook
Category: Communication
Initial Release: February 24, 2009
Users: 1 Billion+
Size: Varies with device

8. Google Text-to-Speech

Google Text To Speech

Owner: Google
Category: Tools
Initial Release: November 2013
Users: 1 Billion+
Size: Varies with device

9. Google Books

Google Books

Owner: Google
Category: Books & Reference
Initial Release: December 2004
Users: 1 Billion+
Size: Varies with device

10. Messenger

Facebook Messenger

Owner: Facebook
Category: Communication
Initial Release: August 09, 2011
Users: 1 Billion+
Size: Varies with device