The best replacement for isohunt is mininova.

The best alternatives to isohunt are rated as following:
★★★★★  mininova
★★★★  pirate bay
★★★★  demonoid
★★  btjunkie
★  mpaa
★  thepiratebay
  piratebay

Your alternative for isohunt is not listed? Suggest!
Speaking about isohunt, one probably shouldn't forget about utorrent.

Other search terms related to isohunt and their ratings are:
★★★★★ utorrent
You have in mind a companion for isohunt and it is not yet here? Propose!



Google Trends

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isohunt
mininova
pirate bay