Jacob, I totally missed your comment like 6 months ago!
To answer your questions.
Google analytics is the kinda given go-to on analytics.
We’ve also used MixPanel, and Hotjar, Good for different things. Love Hotjar for heatmaps, and…
Nailed it again! Our story is a bit different in that we went the route of service as a product agency, but as we work with our clients to help them grow, this question of speed in growth is always a topic for debate.