FlowStack is described as 'Simple timer and task manager that helps you beat procrastination and stay focused. Plan tasks with estimated durations, tackle them one by one, and build lasting habits' and is an app in the office & productivity category. There are five alternatives to FlowStack for Android, iPhone, iPad, Web-based and Android Tablet. The best FlowStack alternative is Ilseon. It's not free, so if you're looking for a free alternative, you could try Tiimo or RoutineFlow. Other great apps like FlowStack are Llama Life and Brili Routines.