T-Mobile’s family plans offer significant savings by allowing multiple lines on a single account, with popular tiers like Go5G, Go5G Plus, and Go5G Next each providing different levels of data, streaming perks, and phone upgrade options. The core benefit is a lower cost per line as you add more people, making it an affordable choice for families and groups.
Whether you’re looking for basic unlimited data or want the latest phone every year with premium features, this guide breaks down the T-Mobile family plans available in September 2025 to help you decide which one is the perfect fit.

How Do T-Mobile Family Plans Work?
A T-Mobile family plan, also known as a multi-line plan, is simple. The price for the first line is the highest, and the cost for each additional line decreases. These plans aren’t just for traditional families; they can be used by groups of friends or anyone looking to share an account and save money. All T-Mobile smartphone plans are eligible for multi-line pricing.
The main decision you need to make is which plan tier offers the best features for your family’s needs.
T-Mobile Family Plans Compared (September 2025)
As of September 2025, T-Mobile’s primary family plan options are built around their “Go5G” suite. Here is a direct comparison of the key features for a family of four lines.
Feature | Go5G | Go5G Plus | Go5G Next |
Best For | Value & Essentials | All-Around Best Value | Annual Upgraders |
Premium 5G Data | 100 GB per month | Truly Unlimited | Truly Unlimited |
High-Speed Hotspot | 15 GB per month | 50 GB per month | 50 GB per month |
Netflix Standard | Included (2+ lines) | Included (2+ lines) | Included (2+ lines) |
Apple TV+ | 6 months included | Included | Included |
Phone Upgrades | Every 2 years | Every 2 years | Every Year |
In-Flight Wi-Fi | 4 full flights/year | 4 full flights/year | 4 full flights/year |
Travel (Mex & Can) | 10 GB high-speed data | 15 GB high-speed data | 15 GB high-speed data |
Which T-Mobile Family Plan is Right for You?
Choosing the right plan depends entirely on your family’s usage habits, especially concerning data consumption and the desire for new phones.
Choose Go5G if…
You want the most affordable unlimited plan for your family. The Go5G plan is perfect for those who need reliable data for streaming, browsing, and social media without needing massive amounts of hotspot data or the latest phone every year. With 100GB of premium data per line, even heavy users are unlikely to experience slowdowns.
Choose Go5G Plus if…
You want the best overall value and premium features. This is the sweet spot for most families. Go5G Plus offers truly unlimited premium data that never slows down, a generous 50GB of high-speed hotspot data per line, and includes Apple TV+ for the life of the plan. It’s built for power users, streamers, and those who want a premium experience without paying for annual phone upgrades.
Choose Go5G Next if…
You or someone in your family must have the newest smartphone every single year. The Go5G Next plan includes all the premium benefits of Go5G Plus but adds the game-changing perk of being eligible to upgrade your phone every 12 months. This is the ultimate plan for tech enthusiasts who always want the latest model.
Frequently Asked Questions
How many lines can you have on a T-Mobile family plan?
You can typically have up to 12 voice lines on a standard T-Mobile family plan, making it flexible for large families and groups.
Do T-Mobile family plans require a contract?
No, T-Mobile’s plans are “no-contract,” meaning you pay month-to-month and can leave anytime. However, if you finance a phone through T-Mobile, you are responsible for paying off the device.
Can I mix and match different plans on one family account?
Yes, T-Mobile generally allows customers to mix and match different Go5G plan tiers on the same account. This is a fantastic feature for families where one person might need the annual upgrade of Go5G Next, while others are perfectly happy with the value of Go5G Plus.
What is T-Mobile’s “Price Lock” guarantee?
T-Mobile’s Price Lock guarantees that they will not raise the price of your qualifying rate plan for talk, text, and data. This provides peace of mind that your monthly bill won’t unexpectedly increase.
Conclusion
Choosing the best T-Mobile family plan comes down to balancing cost with features. The Go5G plan offers excellent value for essential unlimited needs. The Go5G Plus plan is the best all-around choice for most families, delivering a premium data experience and valuable perks. For those who prioritize having the latest technology, the Go5G Next plan’s annual upgrade benefit is unmatched. By assessing your family’s data usage, streaming habits, and desire for new devices, you can confidently select the plan that offers the most value for your needs.