The best replacement for no contract is prepaid.

The best alternatives to no contract are rated as following:
★★★★★  prepaid
★★★★★  unlocked
★★★★★  contract
★★★★  contract cell phone
★★★  contract phones
★★  unlocked cell phones
★★  contract cell phones
★★  unlocked phones
★★  prepaid phone
  unlocked phone

Your alternative for no contract is not listed? Suggest!
Speaking about no contract, one probably shouldn't forget about sprint.

Other search terms related to no contract and their ratings are:

★★★★★ sprint
★★★ verizon
★★★ tmobile
★★★ contractor
★★★ employer
★★ landlord
★★ at&t
★★ t-mobile
dish network
debt collection agency
verizon wireless
comcast cable
i phone
cell phones
free nights and weekends
sim card
free phone
comcast internet
You have in mind a companion for no contract and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of no contract in all years. Click on graph for more.
no contract