Flatchat is a free Android app developed by Flatchat that allows you to organize your shared house with ease. It offers a plethora of features including group and individual chats, shared shopping lists, house diary for group events, chore scheduler, house notice board, record of expenses, repeating shared expenses, and balances of who owes who.

The app provides a platform to keep all your house-related messaging in one place, with notifications, GIFs, photo sharing, and both group and individual chats. You can keep a shared shopping list for your house, which automatically syncs between all your roommates. It also allows you to create a rotating schedule for roommates for all your weekly chores, and keep track when chores are done or if they're late. Moreover, you can easily keep a full history of all expenses ever made in your house, with a balance screen that lets you know who owes whom.

Flatchat is user-friendly and straightforward to use. It has no ads, and is completely free. You can sign up using Google, Apple, or email, and create a group for your house. Flatchat makes living together easy for roommates, flatmates, housemates, flatshare, or just family.