KttiPay is an iOS and Android app that takes the hassle out of chasing your friends for money. Simply create a ktti for a group holiday, sharehouse or meal, download your free KttiPay card to your iOS or Android wallets, and spend directly from your group ktti! Forget the days of sharing BSB and account numbers, and chasing people to repay you. KttiPay: Splitting expenses, not headaches.