The best replacement for looper is taken 2.

The best alternatives to looper are rated as following:
★★★★★  taken 2
★★★★★  argo
★★★★★  end of watch
★★★★  crossflow
★★★★  inception
★★★★  total recall
★★★  lawless
★★★  skyfall
★★  dredd
★★  premium rush
★★  12 monkeys
★★  sinister
★  cloud atlas
★  jamman
★  cross flow
★  source code
★  boss looper
★  digitech
  arbitrage
  boss
  amy stephens
  line 6 dl-4

Your alternative for looper is not listed? Suggest!
Speaking about looper, one probably shouldn't forget about drum machine.

Other search terms related to looper and their ratings are:
★★★★★ drum machine
★ footswitch
delay
You have in mind a companion for looper and it is not yet here? Propose!



Google Trends

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looper
taken 2
argo