TrueSplit

True Split provides an ease for users to create events along with syncing schedules with their device's calendar, and send invitations to other users. People can easily manage expenses and other details during or after the event.
They can also pay or settle down expenses through an adaptive mode.

Features:

Real time syncing with the device's calendar,
Send notifications to the invitees,
Send invitations to their friends and knowns via text or email,
Can manage events,
Can schedule or manage existing events,
Directly pay using adaptive payment mode