Optimum Mobile vs T-Mobile

By Rob Webber • Founder & Editor

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

Optimum Mobile

Optimum Mobile

T-Mobile network

$—/mo

0 plans available

T-Mobile

T-Mobile

T-Mobile network

$—/mo

0 plans available

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

Optimum Mobile vs T-Mobile: Coverage & Plan Comparison 2026

  1. 1. Optimum Mobile vs T-Mobile: Reviews
  2. 2. Optimum Mobile vs T-Mobile: Plans
  3. 3. Optimum Mobile vs T-Mobile: Coverage
  4. 4. Optimum Mobile vs T-Mobile: Features
  5. 5. Our Verdict
  6. 6. FAQ

Optimum Mobile vs T-Mobile: Reviews

Optimum Mobile
Our Rating:
3.2/5
See Deals → View Plans

Pros

  • ✓ T-Mobile 5G & 4G LTE network coverage
  • ✓ Bundled savings for Optimum Internet customers
  • ✓ No contract

Cons

  • ✗ Requires Optimum Internet
  • ✗ Limited availability
  • ✗ Mixed customer service
T-Mobile See Deals → View Plans

Optimum Mobile vs T-Mobile: Plans

Optimum Mobile Top Plan

Unlimited

$45/mo

Powered by T-Mobile

See at Optimum Mobile →

Optimum Mobile Plans

T-Mobile Plans

Optimum Mobile vs T-Mobile: Coverage

Optimum Mobile

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

View Optimum Mobile coverage map →

T-Mobile

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

View T-Mobile coverage map →

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

Optimum Mobile vs T-Mobile: Features

Feature Optimum Mobile T-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

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

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

Who Should Choose T-Mobile

  • ✓ You want the T-Mobile network
  • ✓ Plans starting at $0/mo
  • ✓ 0 plan options to choose from
View T-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 Optimum Mobile, T-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 Optimum Mobile or T-Mobile cheaper?
Optimum Mobile is cheaper, with plans starting at $0/mo. T-Mobile starts at $0/mo.
Which network does Optimum Mobile use?
Optimum Mobile uses the T-Mobile network. You get the same coverage as T-Mobile customers at a lower price.
Which network does T-Mobile use?
T-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 Optimum Mobile or T-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 Optimum Mobile and T-Mobile offer 5G?
Most modern plans from both Optimum Mobile and T-Mobile include 5G access at no extra cost where the network supports it.