The best replacement for 3ds is 3ds xl.

The best alternatives to 3ds are rated as following:
★★★★★  3ds xl
★★★★  2ds
★★★★  dsi
★★★★  psp
★★★★  vita
★★★  wii u
★★★  ds
★★★  blender
★★  ps vita
★★  ps3
★★  maya
★  dsi xl
★  wii
★  ds lite
★  psp2
★  vita sales
★  gamecube
★  psp vita
★  ngp
  3ds xl size
  vita specs
  ipod touch
  3ds xl resolution
  wii specs
  nintendo dsi xl
  xl
  nintendo 3ds xl
  3ds xl screen size
  psp graphics
  playstation vita
  psp ngp
  obj
  buy the dsi xl
  viz
  n64 ocarina of time
  vita games
  lightwave

Your alternative for 3ds is not listed? Suggest!
Speaking about 3ds, one probably shouldn't forget about pokemon x.

Other search terms related to 3ds and their ratings are:
★★★★★ pokemon x
★★★ r4
★★★ wii u
★★ pokemon y
★★ pokemon x bundle
★★ pokemon y bundle
★ super mario 3d land
★ acekard
★ pokemon black
★ animal crossing
★ free game
mario kart 7
mario kart
You have in mind a companion for 3ds and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of 3ds in all years. Click on graph for more.
3ds
3ds xl
2ds