Search for really free Android Communication apps with no IAP and no ADS

	Title	Score	Score (w/installs)	Installs	Category	Released
	WhatsApp Messenger	4.3	19.2	5,000,000,000+	Communication	16 Oct 2010
	Google Messages	4.3	19.3	5,000,000,000+	Communication	10 Nov 2014
	Google Meet	4.5	20.2	5,000,000,000+	Communication	14 Aug 2016