Going to ask this directly since the indirect route has been useless: Is a hinge hookup actually common, or is the app strictly for dating?
If I'm honest, what I've found through normal research is basically useless for making an actual decision, though others in this thread disagree. As far as I can tell, the top-ranked content is all affiliate-driven, which is worth keeping in mind. The app store reviews are heavily managed, which is not a universal experience. Reddit threads are better but still often dominated by a handful of power users with specific experiences that may not generalize, particularly for a hinge hookup.
Community forums like this one tend to have more actual diversity of experience, which is exactly what I need, and that goes double for a hinge hookup. Anecdotally, not one definitive answer — a range of experiences that helps me calibrate my own expectations going in.
Thanks in advance for anything real, if you are patient with it. In practice, happy to share back once I've spent more time testing, though it varies by region.