The best replacement for gps is gis.

The best alternatives to gps are rated as following:
★★★★★  gis
★★★★  agps
★★★★  rangefinder
★★★★  smartphone
★★★★  gprs
★★  galileo
★★  laser rangefinder
★★  utc time
★★  maps
★★  tomtom gps
★★  a-gps
★  magellan gps
★  compass
★  glonass
★  google maps
★  garmin gps
★  phone
★  navigation
★  dgps
★  garmin
★  laser
★  rangefinder golf
★  radar
★  laser rangefinder for golf
★  loran
★  foot pod
★  sat nav
★  lps
  rfid
  cell phone
  iphone app
  speedometer
  chartplotter
  utc
  cdma
  total station
  laser rangefinders
  rangefinders
  pda
  tomtom
  gps
  cell phone gps
  global positioning system
  latitude and longitude
  runkeeper
  assisted gps
  paper maps
  gp's
  smartphone navigation
  barometric altimeter
  gopro
  magellan
  map

Your alternative for gps is not listed? Suggest!
Speaking about gps, one probably shouldn't forget about backup camera.

Other search terms related to gps and their ratings are:
★★★★★ backup camera
★★ google maps
★★ radar detector
★★ glonass
★★ camera
★★ satellites
★ european maps
★ mp3
★ speedometer
★ 3g
★ europe maps
★ lifetime map updates
★ wifi ipod touch
★ wireless backup camera
★ dash cam
★ gps
weather radar
xm radio
waze
gprs
monthly fee
altimeter
software
tracking
pda
lane assist
You have in mind a companion for gps and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of gps in all years. Click on graph for more.
gps
gis
agps