Cox Mobile vs Ultra Mobile

By Rob Webber • Founder & Editor

Head-to-head comparison of plans, features, and pricing

Cox Mobile

Cox Mobile

Verizon network

$—/mo

0 plans available

Ultra Mobile

Ultra Mobile

T-Mobile network

$—/mo

0 plans available

Feature Comparison

Feature Cox Mobile Ultra Mobile

Plans Side by Side

Cox Mobile Plans

Ultra Mobile Plans

Our Verdict

Cox Mobile is better for budget-conscious users who want plans starting at $0/mo on the Verizon network. Ultra Mobile is better if you want plans on the T-Mobile network starting at $0/mo. Both carriers offer the same tower coverage as Big Wireless at a fraction of the price.

Who Should Choose Cox Mobile

  • You want the Verizon network
  • Plans starting at $0/mo
  • 0 plan options to choose from
View Cox Mobile Plans →

Who Should Choose Ultra Mobile

  • You want the T-Mobile network
  • Plans starting at $0/mo
  • 0 plan options to choose from
View Ultra Mobile Plans →

Frequently Asked Questions

Is Cox Mobile or Ultra Mobile cheaper?
Cox Mobile is cheaper, with plans starting at $0/mo. Ultra Mobile starts at $0/mo.
Which network does Cox Mobile use?
Cox Mobile uses the Verizon network. You get the same coverage as Verizon customers at a lower price.
Which network does Ultra Mobile use?
Ultra Mobile uses the T-Mobile network. You get the same coverage as T-Mobile customers at a lower price.
Can I keep my phone number if I switch to Cox Mobile or Ultra Mobile?
Yes. Both carriers support number porting. You can transfer your existing phone number in about 10-30 minutes during the sign-up process.
Do Cox Mobile and Ultra Mobile offer 5G?
Most modern plans from both Cox Mobile and Ultra Mobile include 5G access at no extra cost where the network supports it.