The best replacement for tens is ems.

The best alternatives to tens are rated as following:
★★★★★  ems
★★  ultrasound
★★  chops
★  nmes
★  interferential
★  ifc
★  pens
★  estim
★  ems units
★  sjs
★  ems unit
★  stevens johnson syndrome
★  ems difference
★  muscle stimulator
★  marc pro
  ones
  tdcs
  tenths
  electrical stimulation
  tns
  ces
  fes
  e stim
  interferential unit
  two twelves
  e-stim
  t e n s
  interferential current
  rebuilder
  laser therapy
  muscle stimulation
  dr ho
  stim
  mini massager
  interferential stimulator

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

Other search terms related to tens and their ratings are:
★★★★★ ems
★★★★ muscle stimulator
★ electrodes
★ muscle stimulation
You have in mind a companion for tens and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of tens in all years. Click on graph for more.
tens
ems
ultrasound