I’ve been using it for ~ 2 years and managed to stack a lot of sats, but their standard layout used to be 2%, is now 1%, and it seems their spins default to give you as little as possible regularly. Was even a premium member for a year, and it mostly just gave you extra spins to maximize your chance of nailing a better reward per spend… The referral incentives were great, but I’ve stopped using it because I now use the Gemini credit card… particularly the 3% BTC back on dining