Doodle is an android application that lets you pick dates and time options to schedule a meeting with your friends or colleagues. You can connect Doodle with Facebook or Google to easily sync your activities/appointments and share meetings on social platforms. You simply need to input location, date and time and Doodle will create a sharable poll that you send out to people on Whatsapp and other social platforms. The participants enter their email addresses and votes for a time slot. Doodle has a free plan with limited features. The premium version you can integrate iCloud and outlook calendars.