The best replacement for net10 is tracfone.

The best alternatives to net10 are rated as following:
★★★★★  tracfone
★★★★  straight talk
★★  virgin mobile
★★  simple mobile
★★  h2o
★  cricket
★  boost mobile
★  page plus
★  aio
★  metro pcs
★  tracfone better
★  gophone
  republic wireless
  red pocket
  straight talk better
  at&t go phone
  h2o wireless
  go phone
  trac phone

Your alternative for net10 is not listed? Suggest!
Speaking about net10, one probably shouldn't forget about verizon iphone.

Other search terms related to net10 and their ratings are:

★★★★★ verizon iphone
★★★★ at&t iphone
★★★ my existing phone
You have in mind a companion for net10 and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of net10 in all years. Click on graph for more.
straight talk