The best replacement for ipad mini is ipad.

The best alternatives to ipad mini are rated as following:
★★★★★  ipad
★★★★  ipad 2
★★★★  ipad air
★★★  kindle fire
★★★  nexus 7
★★  ipad mini with retina display
★★  ipad 4
★★  ipod touch
★★  ipad mini retina
★★  galaxy tab 3
★★  kindle
★  ipad 3
★  kindle fire hdx
★  kindle fire hd
★  google nexus 7
★  galaxy note 8
★  retina
★  samsung galaxy
★  kindle paperwhite
★  ipod touch 5
★  iphone
★  ipad mini retina display
  mini retina
  nexus 7 2013
  samsung tablet
  nook hd
  microsoft surface
  macbook air
  kindle hd
  google nexus
  new ipad
  samsung note 8
  samsung tab
  surface 2
  samsung galaxy tab 2
  samsung tab 3
  galaxy note 8.0
  ipad retina

Your alternative for ipad mini is not listed? Suggest!
Speaking about ipad mini, one probably shouldn't forget about retina.

Other search terms related to ipad mini and their ratings are:

★★★★★ retina
data plan
You have in mind a companion for ipad mini and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of ipad mini in all years. Click on graph for more.
ipad mini
ipad 2