The best replacement for digitizer is touch screen.

The best alternatives to digitizer are rated as following:
★★★★★  touch screen
★★★★★  lcd
★★★★  screen
★★★  graphics tablet
★★★  touchscreen
★★★  lcd iphone
★★★  stylus
★★★  oscilloscope
★★★  active digitizer
★  passive digitizer
★  lcd screen
★  capacitive
★  3gs digitizer
★  graphic tablet
★  lcd broken
★  n-trig

Your alternative for digitizer is not listed? Suggest!
Speaking about digitizer, one probably shouldn't forget about home button.

Other search terms related to digitizer and their ratings are:
★★★★★ home button
★★★ front housing
You have in mind a companion for digitizer and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of digitizer in all years. Click on graph for more.
digitizer
touch screen
lcd