MoneyBuster is described as 'Moneybuster is a shared budget manager able to synchronize with IHateMoney and Nextcloud Cospend'. There are more than 25 alternatives to MoneyBuster for a variety of platforms, including Online / Web-based, Android, iPhone, Android Tablet and iPad. The best alternative is Splitwise, which is free. Other great apps like MoneyBuster are ihatemoney (Free, Open Source), SplittyPie (Free, Open Source), Kittysplit (Free) and Tricount (Free).
Spend Together is an app dedicated to help you and your friends manage joint expenses painlessly. It’s suitable for trips with friends, roommates, couples or any other IOUs. Public beta: https://testflight.apple.com/join/plMhyWoV.
Splid helps friends manage their money. Perfect for vacations, share housing and groups who need to share expenses, Splid keeps track of every transaction and shows who owes whom how much. It is simply the easiest way to manage group expenses.