The best replacement for screamer is dancer.

The best alternatives to screamer are rated as following:
★★★★★  dancer
★★★★★  blues driver
★★★  blade dancer
★★★  big bang
★★★  ocd
★★  bad monkey
★★  dancer kali
★★  moaner
★  dancer dragon nest sea
★  thunder
★  boss overdrive
★  maxon
★  sd 1
★  big bang engine
★  boss blues driver
★  rat
★  super overdrive
★  seavo
★  overdrive
  sd-1
  fulltone ocd
  ac booster
  green screamer
  fulldrive 2
  boss sd-1
  tube screamer
  keeley
  ds-1
  metal zone
  big muff
  dancer dragon nest
  sparkle drive
  boss super overdrive
  windseeker

Your alternative for screamer is not listed? Suggest!
Speaking about screamer, one probably shouldn't forget about solid state amp.

Other search terms related to screamer and their ratings are:
★★★★★ solid state amp
★★★ distortion pedal
★★★ big muff
★★★ vox ac30
★★ 6505
You have in mind a companion for screamer and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of screamer in all years. Click on graph for more.
screamer
dancer
blues driver