Kassa, The Smartest Way To Split! You can easily share the expenses with your friends by using Kassa! Share In The Holiday Create a holiday activity and add your friends. Kassa will keep everybody’s common expenses to split them even. Share The Activities. Use Kassa in every activity like festivals and concerts to focus on the fun. Share With Your Roommate Use Kassa with your roommate to share the expenses evenly. Use It For Personal Expenses Use Kassa to track every penny you spend. Use It For Business Expenses Kassa also keeps your business expenses. The ones you track with Kassa are deposited back to you easy and hassle-free.