The first and the best thing about this is that it is free and the second best thing is that it is API enabled so fetching the data is very easy.

It has an upside that it provides great insight if a youtubd channel with multiple tools and as for a secret sauce it also tells you a average earning of any channel that is something everyone wants to know

Even for a beginner the UI is real simple and the tool is easy to learn, they did not add unnecessary complexity.