I'm not the person you asked, but if I had to guess, I'd guess [beeminder]: goal-tracking software where if you don't reach your goal, they charge your credit card. Each time you fail, you get charged more. It's really good!

[beeminder]: https://www.beeminder.com/

There's https://www.stickk.com/ which uses a referee system. You designate a referee and they have to corroborate your reports.