Carly
Carly is a manufacturer of ODB2 tools and software for automotive diagnostics
Consumer impact summary
Carly offers their tool and software as an annual subscription despite them being more expensive than many other diagnostic tools available.
Information that it's offered as subscription is written as small easy to miss text while ordering. (https://www.mycarly.com/plan/?c=US)
Users reported issues cancelling (See comments to now-deleted post https://www.reddit.com/r/BmwTech/comments/12sczzd/carly_scam_beware/)