Cox Mobile vs Flex 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

Flex Mobile

Flex Mobile

T-Mobile network

$—/mo

0 plans available

Looking to switch carrier but not sure if Cox Mobile or Flex Mobile is better? Within this guide, you'll be able to compare Cox Mobile and Flex Mobile coverage, features, plans, and prices side-by-side, so you can decide which carrier offers the best deal.

Cox Mobile vs Flex Mobile: Coverage & Plan Comparison 2026

  1. 1. Cox Mobile vs Flex Mobile: Reviews
  2. 2. Cox Mobile vs Flex Mobile: Plans
  3. 3. Cox Mobile vs Flex Mobile: Coverage
  4. 4. Cox Mobile vs Flex Mobile: Features
  5. 5. Our Verdict
  6. 6. FAQ

Cox Mobile vs Flex Mobile: Reviews

Cox Mobile
Our Rating:
3.3/5
See Deals → View Plans

Pros

  • ✓ Verizon 5G & 4G LTE network coverage
  • ✓ Bundled savings for Cox Internet customers
  • ✓ No contract

Cons

  • ✗ Requires Cox Internet
  • ✗ Limited availability
  • ✗ Mixed customer service
Flex Mobile
Our Rating:
3/5
See Deals → View Plans

Pros

  • ✓ T-Mobile network coverage
  • ✓ Flexible plan options
  • ✓ No contract

Cons

  • ✗ Newer carrier
  • ✗ Limited track record
  • ✗ Basic features

Cox Mobile vs Flex Mobile: Plans

Cox Mobile Top Plan

Unlimited

$45/mo

Powered by Verizon

See at Cox Mobile →

Cox Mobile Plans

Flex Mobile Top Plan

Unlimited

$29/mo

Powered by T-Mobile

See at Flex Mobile →

Flex Mobile Plans

Cox Mobile vs Flex Mobile: Coverage

Cox Mobile

Cox Mobile is powered by Verizon 5G & 4G LTE wireless networks.

View Cox Mobile coverage map →

Flex Mobile

Flex Mobile is powered by T-Mobile 5G & 4G LTE wireless networks.

View Flex Mobile coverage map →

Cox Mobile is powered by Verizon and Flex Mobile is powered by T-Mobile. Coverage varies by location — check availability in your area.

Cox Mobile vs Flex Mobile: Features

Feature Cox Mobile Flex Mobile
Networks — —
Data Speed — —
3G Network — —
Mobile Hotspot — —
5G — —
VoLTE — —
WiFi Calling — —
Visual Voicemail — —
Bring Your Phone — —
Keep Your Number — —
Contract — —
Credit Check — —
Taxes Included — —
Multi-line Discounts — —
Multi-month Discounts — —
Money Back Guarantee — —
Customer Service — —
International Calls — —
International Roaming — —

Our Verdict

Cox Mobile is better for budget-conscious users who want plans starting at $0/mo on the Verizon network. Flex 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 Flex Mobile

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

Why You Can Trust This Comparison

I've spent years helping people ditch overpriced phone plans by exposing hidden fees and carrier tricks. At MoneySavingPro, we go beyond the fine print, testing and comparing real-world network performance so you don't have to.

I've personally tested Cox Mobile, Flex Mobile, and other low-cost providers, comparing their speeds, coverage, and pricing to the Big 3. If there's a smarter way to save, you'll hear about it here first.

— Rob Webber, Founder & Editor

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Frequently Asked Questions

Is Cox Mobile or Flex Mobile cheaper?
Cox Mobile is cheaper, with plans starting at $0/mo. Flex 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 Flex Mobile use?
Flex 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 Flex 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 Flex Mobile offer 5G?
Most modern plans from both Cox Mobile and Flex Mobile include 5G access at no extra cost where the network supports it.