Two documents, written in plain words so you can actually read them.
What data Prowl holds, why, who else ever sees it, and how to delete all of it.
The agreement between you and Prowl. What Prowl does for you, what it doesn't do, and what we ask of you.
What Prowl costs, and what the free first month covers.
If you're weighing up whether to trust Prowl with your bank statements, the security page is the plainer-English answer.