The best replacement for app is website.

The best alternatives to app are rated as following:
★★★★★  website
★★★★  sbs
★★★  application
★★★  widget
★★★  program
★★  mobile site
★★  app
★★  web app
★★  html5
★  mobile web
★  extension
★  browser
★  wap
★  responsive website
★  mobile website
★  ebook
★  web
★  ibook
★  responsive site
★  applet
  lsu
  kindle
  responsive
  vpp
  ipa
  not
  nook app
  sbs modified bitumen
  zipcar app
  extension chrome
  villanova
  star walk app
  ibooks
  sbs roofing
  native app
  android app
  responsive design
  spectrum
  western illinois
  common app
  elon
  wofford

Your alternative for app is not listed? Suggest!
Speaking about app, one probably shouldn't forget about funny pictures.

Other search terms related to app and their ratings are:
★★★★★ funny pictures
★★★ video and picture collage
★★★ heart frame
★★★ picture and video
★★★ teeth
★★★ picture and music
★★ video and music
★★ activity android
★★ storyboard
★★ android market
★★ icon android
★ video and pictures
★ talking mouth
★ cartoon and caption
★ talking cat
★ words on pictures
push notification
two pictures in one
You have in mind a companion for app and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of app in all years. Click on graph for more.
app
website
sbs