Luna App is described as 'Split bills over a wide spectrum, ranging from a group of 2 to 100s of people. You may pick the options split by amount, split by percentage, and split by share whichever is appropriate to split bills and track expenses' and is a Budget Manager in the Business & Commerce category. There are more than 50 alternatives to Luna App for a variety of platforms, including Android, Online / Web-based, iPhone, Windows and Linux. Most alternatives are Budget Managers and Personal Finance Tools. The best alternative is HomeBank, which is both free and Open Source. Other great apps like Luna App are Firefly III (Free, Open Source), Money Manager Ex (Free, Open Source), MoneyWallet (Free, Open Source) and KMyMoney (Free, Open Source).
Money Manager Ex is a free, open-source, cross-platform, easy-to-use personal finance software. It primarily helps organize one's finances and keeps track of where, when and how the money goes. It is also a great tool to get a bird's eye view of your financial worth.
MoneyWallet is an Android application that let you track your expenses. You can organize your data using custom categories, events, places and people tags. The best alternative to others apps, free and open source.
KMyMoney is a cross-platform personal finance manager built on KDE frameworks technologies for your desktop and notebook environment. It enables users to keep careful track of their personal finances by providing a broad array of financial features and tools.