The best replacement for iad is admob.

The best alternatives to iad are rated as following:
★★★★★  admob
★★★★  dca
★★★  adsense
★★★  bwi
★★★  dca airport
★★  revmob
★★  imc
★  dca better
  mobclix
  greystripe
  pressure ulcer
  aff
  adwhirl
  google admob

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

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



Google Trends

Scale is based on the average worldwide traffic of iad in all years. Click on graph for more.
iad
admob
dca