KillBiller is simple to use on both iOS and Android.
KillBiller takes care of the hard work for you. It's a four-step process to switch plan and lower your mobile costs using the app!
Via AppStore or PlayStore
Log in to your account (iOS)
KillBiller lists the cheapest plans
Switch via the app
All of the mobile phone plan and network costs that are shown will be completely customised to your personal mobile phone usage.
You are guaranteed to find the perfect plan to suit your needs. Most people can save hundreds of euro per year by switching to the correct plan.