The best replacement for apo is fpo.

The best alternatives to apo are rated as following:
★★★★★  fpo
★★  dpo
★  holo
★  po box
★  achro
★  afo
★  tau gamma phi
★  akrho
★  non apo
★  ipo
★  beta sigma
★  triskelion
★  teva
  dg
  novo
  srb
  scm
  tau gamma
  achromatic
  po
  bpc

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

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



Google Trends

Scale is based on the average worldwide traffic of apo in all years. Click on graph for more.
apo
fpo
dpo