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Quick Summary
Xfinity Mobile runs on Verizon towers but requires an active Xfinity internet subscription to get the best pricing — without it, you pay full retail. Ultra Mobile starts at $13/mo on T-Mobile with no bundling required. For most standalone subscribers, Ultra Mobile is the better value.
Key Takeaways
- Xfinity Mobile runs on Verizon but requires an active Xfinity internet subscription — without it, you lose the best pricing
- Ultra Mobile starts at $13/mo vs Xfinity Mobile from $15/mo — price difference is meaningful on identical or equivalent network infrastructure
- Ultra Mobile: international calling to 80+ countries included — T-Mobile network from $13/mo
- Xfinity Mobile: runs on Verizon — best value requires an active Xfinity home internet subscription
- Americans pay an average of $70/mo with the Big 3 — both Ultra Mobile and Xfinity Mobile offer lower-cost alternatives on major US networks
Looking to switch carrier but not sure if Ultra Mobile or Xfinity Mobile is better?
Within this guide, you'll be able to compare Ultra Mobile and Xfinity Mobile coverage, features, plans and prices side-by-side, so you can decide for yourself which carrier offers the best deal.
Ultra Mobile vs Xfinity Mobile plans
Ultra Mobile unlimited data plan
- T-Mobile 5G & 4G LTE network
- Unlimited talk, text and data
- Instant online activation
Xfinity Mobile unlimited data plan
- Verizon 5G & 4G LTE network
- Unlimited talk, text and data
- Instant online activation
Ultra Mobile vs Xfinity Mobile comparison
Ultra Mobile plans start at $20* and Xfinity Mobile plans start as low as $45. With no contract, you can get some of the cheapest cell phone plans when shopping for a deal with MVNO's like Ultra Mobile and Xfinity Mobile.
| Carrier | Network | Data | Price |
|---|---|---|---|
| Ultra Mobile 3GB plan | T-Mobile 5G/4G Coverage | 3GB | $9/mo |
| Ultra Mobile unlimited talk & text plan | T-Mobile 5G/4G Coverage | 0GB | $10/mo |
| Ultra Mobile 5GB plan | T-Mobile 5G/4G Coverage | 5GB | $12/mo |
| Ultra Mobile 10GB plan | T-Mobile 5G/4G Coverage | 10GB | $14/mo |
| Ultra Mobile 15GB plan | T-Mobile 5G/4G Coverage | 15GB | $19/mo |
| Ultra Mobile unlimited data plan | T-Mobile 5G/4G Coverage | Unltd | $24/mo |
| Carrier | Network | Data | Price |
|---|---|---|---|
| Xfinity Mobile 1GB plan | Verizon 5G/4G Coverage | 1GB | $15/mo |
| Xfinity Mobile 3GB plan | Verizon 5G/4G Coverage | 3GB | $30/mo |
| Xfinity Mobile unlimited data plan | Verizon 5G/4G Coverage | Unltd | $45/mo |
| Xfinity Mobile unlimited data plan | Verizon 5G/4G Coverage | Unltd | $55/mo |
| Xfinity Mobile unlimited data plan | Verizon 5G/4G Coverage | Unltd | $65/mo |
Ultra Mobile vs Xfinity Mobile coverage
Ultra Mobile is powered by T-Mobile and Xfinity Mobile is powered by Verizon. 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
Ultra Mobile coverage map
Xfinity Mobile coverage
Xfinity Mobile is powered by Verizon 5G & 4G LTE wireless networks.
View Xfinity Mobile coverage map
Xfinity Mobile 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.
Ultra Mobile vs Xfinity Mobile plan features
| Carrier Features | Ultra Mobile | Xfinity Mobile |
|---|---|---|
| Networks | T-Mobile | Verizon |
| Data Speed | 5G & 4G LTE | 5G & 4G LTE |
| 3G Network | GSM | CDMA |
| Mobile Hotspot | Yes | Yes |
| Bring Your Phone | Yes | Yes |
| Keep Your Number | Yes | Yes |
| Contract | Prepaid | Prepaid |
| Credit Check | No | No |
| Customer Service | 6am to 6pm | 24/7 |
| Money Back Guarantee | No | No |
| 5G | Yes | Yes |
| Taxes included | Varies by Location | Varies by Location |
| VoLTE | Yes | Yes |
| WiFi Calling | Yes | Yes |
| Visual Voicemail | Yes | Yes |
| Multi-line Discounts | No | No |
| Multi-month Discounts | Yes | No |
| International Calls | Yes - Includes 80 countries | Yes - Add on |
| International Roaming | Yes | Yes |
Ultra Mobile vs Xfinity Mobile customer service
Ultra Mobile customer service
Contact Ultra Mobile customer care
(888) 777-0446
Xfinity Mobile customer service
Contact Xfinity Mobile customer care
(888) 936-4968
Ultra Mobile vs Xfinity Mobile FAQs
The main difference between Ultra Mobile and Xfinity Mobile are plan prices and features. Both offer cheap cell phone plans powered by the major networks.
Ultra Mobile is powered by T-Mobile and Xfinity Mobile runs on Verizon.
Most newer handsets are compatible if they're unlocked, but if you're not sure you can check phone compatibility with our IMEI checker.
If your Ultra Mobile phone is unlocked it should work with Xfinity Mobile. Most of the latest handsets are compatible but you can check your phone's compatibility with the carrier before purchasing.
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