Is this kinda similar to 'Entrepreneurs First'?
EF is in-person and more focused on matching co-founders and forming teams. You need to have a project for Pioneer, while EF accepts people based on their profile/interviews.
You can say that all accelerators are pretty similar: you get investment, listen to some speakers, attend office hours, etc. So what matters in the end is the network of people running the program and participating in it.