The best replacement for avast is avg.

The best alternatives to avast are rated as following:
★★★★★  avg
★★★★  norton
★★★★  avira
★★★  mcafee
★★  spyware doctor
★★  microsoft security essentials
★★  kaspersky
★★  mse
★★  windows defender
★  bitdefender
★  lookout
★  comodo
★  malwarebytes
★  avg 2014
★  nod32
★  avg free
★  sophos
★  antivir
★  norton 360
  webroot
  avg 2013
  eset
  avg which is better
  avg android
  avg antivirus
  avg better
  adaware
  security essentials
  sophos for mac
  windows security essentials
  kaspersky 2014
  ad aware
  defender
  symantec
  avg 2012
  microsoft essentials
  avg 8
  norton antivirus
  trend micro
  panda
  avira antivir
  avg review
  agv
  zone alarm
  spybot
  alvira
  bitdefender free
  zonealarm
  avg reviews

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

Other search terms related to avast and their ratings are:
★★★★★ malwarebytes
★★★★★ windows defender
★★★★★ microsoft security essentials
★★★ firewall
★★★ mse
★★ norton
★★ comodo firewall
★ superantispyware
★ zone alarm
comodo
anti spyware
zonealarm
You have in mind a companion for avast and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of avast in all years. Click on graph for more.
avast
avg
norton