The best replacement for kayfun is russian.

The best alternatives to kayfun are rated as following:
★★★★★  russian
★★★★  kayfun lite
★★★  aqua
★★★  ithaka
★★★  taifun
★★★  protank
★★★  genesis
★★  nautilus
★★  rsst
★★  rda
★★  squape
★  russian 91
★  kraken
★  protank 2
★  prometheus
★  fogger
  dripper
  steam turbine
  russian 91%

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

Other search terms related to kayfun and their ratings are:
★★★★★ mvp
★★★ kick
★★★ nemesis
★ provari
You have in mind a companion for kayfun and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of kayfun in all years. Click on graph for more.
kayfun
russian
kayfun lite