The best replacement for beacon is fico.

The best alternatives to beacon are rated as following:
★★★★★  fico
★★  cold spring
★  ibeacon
★  lighthouse
★  laguardia
★  fico score
★  strobe
★  harmony link
★  wrangell
★  peel
★  bonjour
  typing instructor
  tourist history
  redeye
  loopt
  samsung freeform iii
  bronx science

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

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



Google Trends

Scale is based on the average worldwide traffic of beacon in all years. Click on graph for more.
beacon
fico
cold spring