Are you looking for Targeted Audience Marketing? Than definitely try out Viber! Because Viber is amongst the most trending Applications Worldwide and with its large Audience Base and lenient policies it can be the "most effective application for marketing". As compared with WhatsApp, there are very limited restrictions too.
The app is totally secure for downloading. Export Contacts Of Viber is developed by Master Apps Lab and its category is Communication. The most recent update of the app was released on Sep 20, 2020 and this application has been installed by over 50K users.