The addon was made for beginners and is really simple to use. It gives you all the necessary tools to work on your retopology. Speedretopo was made by a freelance artist for all blender artists.
Works on Blender 2.9 and 3.
With one click you can start your retopology.
You can create different topologies and switch from one to another anytime, as simple as that!
SpeedRetopo automatizes things for you, you just need to concentrate on your job!
It will automatically add Modifiers to help you in your retopology, and you will have a bunch of useful too to help you too.