Optimum Mobile review: What to consider before switching

Optimum Mobile scores 3.2/5. A reasonable add-on for Optimum Internet customers, but the bundling requirement limits its appeal.

Written by Rob Webber · 5 min read · Last updated January 18, 2025

At a glance

  • Value for money: Optimum Mobile offers T-Mobile coverage for Optimum Internet customers.
  • Coverage: Coverage on the T-Mobile network.
  • Customer experience: Customer service tied to Optimum's ecosystem.
  • Transparency: Pricing is straightforward.
  • Range of choice: Limited plan selection.
Our editorial process
Optimum Mobile logo
3.2
MoneySavingPro rating
Value for money
3.0
Coverage
4.0
Customer experience
3.0
Transparency
3.0
Range of choice
3.0

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

Deep dive: An in-depth Optimum Mobile review

Jump to section ▾

What is Optimum Mobile?

Optimum Mobile is a wireless service offered by Altice USA for Optimum Internet subscribers. It operates on T-Mobile's network and is available in Optimum's service areas in the Northeast US.

Plans & Pricing

Is Optimum Mobile a good value?

For existing Optimum Internet customers, it can be a convenient add-on. For everyone else, MVNOs like Tello or Mint Mobile offer T-Mobile coverage without bundling requirements.

Network Coverage

Optimum Mobile uses T-Mobile's network. Check the Optimum Mobile coverage map for service availability.

My viewpoint

Short answer: Only worth considering if you already have Optimum Internet. Otherwise, standalone MVNOs provide better value.

Best Optimum Mobile plans

Optimum Mobile

1GB

T-Mobile network · 1GB data
$15/mo
Optimum Mobile

3GB

T-Mobile network · 3GB data
$25/mo
Optimum Mobile

Unlimited

T-Mobile network · Data-only data
$45/mo
Optimum Mobile

Unlimited Max

T-Mobile network · Data-only data
$55/mo
  • Switch online in minutes
  • Same T-Mobile coverage
  • Unlimited talk & text
  • No surprise price hikes
  • No long-term contracts

Get the same T-Mobile coverage 6× cheaper

Save $900/yr over T-Mobile Go5G Plus direct

Optimum Mobile logo
Best value
Optimum Mobile
1GB
1GB
$15 /mo
$180/yr
4.1
4.1
Currently unavailable
T-Mobile
Big Wireless
T-Mobile direct
Go5G Plus
Unlimited
$90 /mo
$1,080/yr
Same T-Mobile 5G & 4G LTE coverage. Higher monthly bill.

Cost over time — Optimum Mobile vs T-Mobile

Optimum Mobile
T-Mobile direct
1 year Save $900
$1,080
$180
2 years Save $1,800
$2,160
$360
3 years Save $2,700
$3,240
$540

Estimated cost based on advertised monthly price. Excludes taxes, fees, and one-time charges. T-Mobile Go5G Plus retail price as of plan listing.

Optimum Mobile Coverage

Optimum Mobile uses the T-Mobile network. See our full coverage analysis:

Optimum Mobile Coverage Map →

Compare Optimum Mobile vs other carriers

How do Optimum Mobile plans compare?

Optimum Mobile
T-Mobile 4G & 5G
1GB data
$15/mo
$180/yr
⭐ 4.1 on Trustpilot
Flex Mobile
T-Mobile 4G & 5G
5GB data
$16/mo
$192/yr
See at Flex Mobile
Astound Mobile
T-Mobile 4G & 5G
1GB data
$15/mo
$180/yr
AT&T
AT&T 4G & 5G
N/A
N/A/mo

Optimum Mobile FAQs

Is Optimum Mobile worth it?
Optimum Mobile earns a 3.2/5 on MoneySavingPro. Optimum Mobile scores 3.2/5. A reasonable add-on for Optimum Internet customers, but the bundling requirement limits its appeal.
What are the pros and cons of Optimum Mobile?
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.
How much does Optimum Mobile cost?
Optimum Mobile plans start at $15/mo. All plans are prepaid with no hidden fees.
Is Optimum Mobile better than T-Mobile?
Optimum Mobile uses the same T-Mobile network at up to 70% less per month. Coverage and call quality are identical — only the price is different.
Does Optimum Mobile have good customer service?
Optimum Mobile scores 3/5 for customer experience on MoneySavingPro. Customer service tied to Optimum's ecosystem.

Our verdict

Optimum Mobile scores 3.2/5. A reasonable add-on for Optimum Internet customers, but the bundling requirement limits its appeal.

Written by Rob Webber · 5 min read · Last updated January 18, 2025

More Carrier Reviews