Do you know of an accountability partner pairing service?

The title says it all. I can't seem to find anything substantial after googling around.

The best I've found is a subreddit for finding accountability partners.

Productizing a service that matches people one to one based on interests, a strong sense to complete a goal, and to be transparent about it, has been a curiosity of mine recently; I was hoping this space would be a little more saturated.