Mochi supervising from the rug Portrait Mochi on the green couch Surprise Mochi belly-up on the couch Baby Mochi kitten throwback Sleepy Mochi napping

yoyosup runs ScamCheck, Sub Audit, and other free utilities from a basement server. No venture funding. No signup walls. Just tools people forward in group chats.

Mochi is the tuxedo cat who supervises from the rug. He has a heart-shaped white patch on his face and opinions about suspicious texts. When tools help you avoid a scam or spot subscription creep, he accepts tribute in the form of $1 treats — via PayPal or Venmo.

Mochi speaks (technically a yawn, same energy):

Why a treat jar beats ads

Try the tools Mochi supervises

Why a tip jar exists at all

The checkers and guides are free on purpose. Hosting, domains, and time still cost something. Optional tips and—when approved—ads help keep the lights on without forcing a subscription wall in front of someone who just got a scary text.

What your support does not change

If you only do one thing

Forward a guide or ScamCheck link to a family group chat. Distribution helps more people than a single tip—and it is free. Questions go to the Contact page or Feedback on tools pages.

FAQ