Why not? Its 2026 you can waive a hand and have bespoke opinionated FREE apps that do what you want and keep your data where you want.
Compare that to being forced to use someone else's highly opinionated software that might have paid pro features you need or don't need.
What a strange question to ask.
“why pay to go see a movie that someone else made, when I can see a movie I made for free?”