The best replacement for boxspring is platform bed.

The best alternatives to boxspring are rated as following:
★★★★★  platform bed
★★★★  platform
★★★★  no boxspring
  lattenbodem
  regular boxspring

Your alternative for boxspring is not listed? Suggest!
Speaking about boxspring, one probably shouldn't forget about mattress.

Other search terms related to boxspring and their ratings are:
★★★★★ mattress
★ frame
You have in mind a companion for boxspring and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of boxspring in all years. Click on graph for more.
boxspring
platform bed
platform