The best replacement for pia is ppa.

The best alternatives to pia are rated as following:
★★★★★  ppa
★★★★★  nda
★★★★★  air india
★★★★  btguard
★★★  hma
★★★  airblue
★★  mullvad
★★  airvpn
★★  purevpn
★★  hbl
★  torguard
★  astrill
★  air blue
  pia

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

Other search terms related to pia and their ratings are:
★★★★★ vuze
★★ turkish airlines
You have in mind a companion for pia and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pia in all years. Click on graph for more.
pia
ppa
nda