This is Krassimir the Peerbelt founder - The difference is in the privacy implications. Archify stores your data online associating it with an account, while Peerbelt is a client app storing data and running on you local device.

It took some time building client app for both Mac and Windows. At this point with competition like Archify or Seen Before popping up, I begin to wonder if the time is well invested and whether privacy matters anymore.

You are are correct about the name. A collaboration service is due soon with total control over the anonymously contributed to the index information.