What is more convenient about Uber/Lyft than a traditional taxi? I use my smartphone to get a taxi, even without having to install a specific app or to create m

What is more convenient about Uber/Lyft than a traditional taxi? I use my smartphone to get a taxi, even without having to install a specific app or to create more accounts. It is an honest question; for context, I live in Europe in a place where the courts ruled Uber and Lyft are yet another taxi service and therefore should abide the same laws.