Kittysplit is described as 'is the easiest way to share group expenses. Period.
No registration, free of charge, no emails, no password.
You should try it right now' and is an website in the Business & Commerce category. There are more than 25 alternatives to Kittysplit, not only websites but also apps for a variety of platforms, including iPhone, Android, iPad and Windows. The best alternative is Splitwise, which is free. Other great sites and apps similar to Kittysplit are Buxfer (Freemium), ihatemoney (Free, Open Source), SplittyPie (Free, Open Source) and Tink (Free).