AT&T vs Ultra Mobile: Plans & coverage compared

AT&T or Ultra Mobile: Which carrier is better?
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$75-85 /mo AT&T Plans
Ultra Mobile
$10-40 /mo View Plans T-Mobile network
Cheap AT&T phone plans starting at $5/mo* -Compare Now
Rob Webber
Rob Webber

Rob Webber


About Rob

Rob has 15+ years experience running price comparison & review websites that empower consumers to find the cheapest cell phone services, cell phone deals, home phone, and internet providers available. He has been published in Forbes, US News, Entrepreneur, Huffington Post, Inc.

Rob's Expertise

5G wireless networks, cell phone plans, cell phone deals, MVNOs, internet services, tablets, comparison shopping, money saving, reviewing telecom products & services

- Last updated on March 27th, 2023

MoneySavingPro independently researches the products & services to bring you our recommendations. We may earn money when you click our links - disclosure policy.

Looking to switch carrier but not sure if Ultra Mobile or AT&T is better?

Within this guide, you'll be able to compare Ultra Mobile and AT&T coverage, features, plans and prices side-by-side, so you can decide for yourself which carrier offers the best deal.

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Ultra Mobile vs AT&T comparison

Our Rating:
View Plans

Read our Ultra Mobile review

Our Rating:
AT&T Plans

Ultra Mobile



  • Simple account dashboard

  • Unlimited international talk and text

  • Nationwide coverage


  • Great network coverage

  • Fast data speeds

  • Decent value if you buy 4 lines


  • Customer service


  • Very expensive

  • Limited range of plans

  • Unlimited' plans are not unlimited

  • Hidden fees and taxes

  • Unclear pricing

Ultra Mobile vs AT&T plans

Ultra Mobile plans start at $10 and AT&T plans start at $75. With no contract, you can get some of the cheapest cell phone plans when shopping for a deal with MVNO's like Ultra Mobile.

Ultra Mobile SIM card vertical

Ultra Mobile

T-Mobile wireless network coverage

Unlimited mins

Unlimited texts

0GB 4G/5G Data


Ultra Mobile 0GB plan includes unlimited mins, unlimited texts and 0GB data for only $10 per month. Ultra Mobile plans offers wireless coverage on the T-Mobile 5G and 4G LTE network. View Ultra Mobile phone plans

Ultra Mobile plans




Ultra Mobile unlimited talk & text plan



Ultra Mobile 2GB plan



Ultra Mobile 6GB plan



Ultra Mobile 15GB plan



Ultra Mobile unlimited data plan


$30/mo* 3 Months for $90 with Promo Code: UNLTD90

Compare AT&T unlimited plans

Plan Data Monthly Price Annual Cost
AT&T Unlimited Extra Unlimited $75 $900
AT&T Unlimited Elite Unlimited $85 $1,020

AT&T vs Ultra Mobile comparison

Keep your AT&T phone, number & coverage: Save $450 per year


Network Coverage

4G/5G Data


Annual Cost


AT&T 4G & 5G




Ultra Mobile

AT&T 4G & 5G




*Don't waste money on unlimited data - Avg. data usage is only 3-5GB




Ultra Mobile vs AT&T coverage

Ultra Mobile is powered by T-Mobile. Coverage can vary depending on your location. You can check their availability in your area by using our coverage checker.

Ultra Mobile coverage

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

View Ultra Mobile coverage map

T-Mobile coverage map

AT&T coverage

View AT&T coverage map

AT&T coverage map

Find the cheapest cell phone service in your area

Enter your ZIP code below to find the best cell phone service in your area.

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Ultra Mobile vs AT&T plan features

Carrier Features Ultra MobileAT&T
Networks T-MobileAT&T
Data Speed 5G & 4G LTE5G & 4G LTE
3G Network GSMGSM
Mobile Hotspot
Bring Your Phone
Keep Your Number
Contract No - prepaidNo - Postpaid
Credit Check
Customer Service 24/7
Money Back Guarantee Yes - 10 day
5G 0
Taxes/fees included
WiFi Calling
Visual Voicemail
Multi-line Discounts
Multi-month Discounts
International Calls Yes - Includes 80 countries
International Roaming

Ultra Mobile vs AT&T customer service

Ultra Mobile customer service

65 Ultra Mobile customer reviews

Contact Ultra Mobile customer care

AT&T customer service

83 AT&T customer reviews

Contact AT&T customer care

  • Call (800) 331-0500

  • Tag @att on Twitter

AT&T vs Ultra Mobile FAQs

What's the difference between AT&T and Ultra Mobile?

Ultra Mobile is an MVNO with T-Mobile 5G & 4G wireless coverage, they offer cell phone plans starting at $10/mo. While AT&T's phone plans start at $75/mo.

Is Ultra Mobile as good as AT&T?

Ultra Mobile is powered by the T-Mobile network, they offer much cheaper cell phone service than AT&T. However, because Ultra Mobile is an MVNO, data speeds may be slowed during peak times.

Do AT&T phones work with Ultra Mobile?

Most recent AT&T phones should work with Ultra Mobile as long as the device is unlocked. Before signing up, you can check your device's compatibility on the Ultra Mobile website.

Does Ultra Mobile use AT&T network towers?

No. Ultra Mobile operates on the T-Mobile 5G & 4G LTE wireless networks.