Recommendation about Activation Tool/SaaS

Activation is an important part of a SaaS. It helps making sure that your newcomers customer will reach that "wow" moment so they are not churning right away. While it is possible to build your own activation, there are many no/low code options that can offload the effort of building a custom activation on your own. I personally tried Eyelet and heard about Arcade and Intercom. What are your top picks and why?