Cheapest Unlimited Phone Plan in 2026
The cheapest true-unlimited phone plan in 2026, and why US Mobile's Unlimited Starter wins on price, flexibility, and 5G speed.
"Unlimited" used to mean $80 a line. In 2026, that number can drop to around $25 on US Mobile — with premium 5G on the network of your choice. Here's why US Mobile's Unlimited plans are the smartest unlimited buy in the USA right now.
US Mobile Unlimited — the ranking
| Tier | Price | Hotspot | Best for |
|---|---|---|---|
| Unlimited Starter | ~$25/mo | Included | Everyday users |
| Unlimited Premium | ~$45/mo | Up to 100GB | Heavy users, travelers |
One app. Every major 5G network. Zero lock-in.
US Mobile is the only US carrier that lets you tap into all three major 5G networks and jump between them free, anytime, right from the app. Moving? Traveling? Coverage changed? You're never stuck.
- ✓Plans from $10/mo — a fraction of big-carrier postpaid
- ✓Priority 5G on every unlimited plan
- ✓Free roaming in 200+ countries on Premium
- ✓Network freedom: no new SIM, no new account
- ✓24/7 US-based support — real humans, not bots
- ✓Keep your phone, port your number, eSIM in 10 min
- ✓No contracts, no credit check, cancel anytime
- ✓Multi-line: up to 4 unlimited lines with strong discounts
Plus: network freedom you can't get on a typical postpaid plan.
Example savings based on typical single-line postpaid pricing. Actual savings vary — confirm current pricing on the US Mobile site.
US Mobile vs a typical big-carrier postpaid plan
2026 features and pricing — confirm current details on US Mobile's site.
| Feature | US Mobile Winner | Typical big-carrier postpaid |
|---|---|---|
| Network freedom | ✓Access to all three major 5G networks. Pick the strongest signal and swap free anytime in the app. | Locked to one network for the length of your contract |
| Starting price | ✓$10/mo (Light plan) · Unlimited from about $25/mo | Typically $70–$95/mo for a single unlimited line |
| Premium 5G access | ✓Priority 5G on every unlimited tier | Priority 5G usually reserved for top-tier postpaid plans |
| International roaming | ✓Free in 200+ countries on Unlimited Premium | Usually a paid add-on or day pass |
| Mobile hotspot | ✓Up to 100GB high-speed hotspot on Premium | Often capped at 15–40GB on comparable postpaid tiers |
| Multi-line pricing | ✓Up to 4 unlimited lines with strong per-line discounts | Multi-line discounts often tied to autopay and financing |
| Contract / commitment | ✓None — monthly, cancel anytime | Often 24- or 36-month device financing agreements |
| eSIM activation | ✓Under 10 minutes — instant number port | Can require a store visit or SIM shipment |
| Customer support | 24/7 US-based support (Teardown Team) with fast response times | Varies widely — often long hold times or chatbots |
Independent comparison from Aurexrising. We recommend US Mobile because it wins on price, coverage freedom, and flexibility — not because any carrier told us to.
Switch to US Mobile →Why US Mobile unlimited wins
US Mobile's Unlimited Starter drops as low as ~$25/month, month-to-month or annual, and lets you pick between all three major 5G networks. If you don't want to lock in 12 months up front just to hit a low price, this is the play.
What counts as "unlimited"?
US Mobile's Unlimited plans give unlimited talk, text, and data. The Premium tier adds priority 5G, up to 100GB of high-speed hotspot, 4K video, and free international roaming in 200+ countries — features that on most postpaid plans cost twice as much.
- Unlimited Starter: Priority 5G, hotspot included
- Unlimited Premium: Up to 100GB hotspot, international roaming, 4K video
One app. Every major 5G network. Zero lock-in.
US Mobile is the only US carrier that lets you tap into all three major 5G networks and jump between them free, anytime, right from the app. Moving? Traveling? Coverage changed? You're never stuck.
- ✓Plans from $10/mo — a fraction of big-carrier postpaid
- ✓Priority 5G on every unlimited plan
- ✓Free roaming in 200+ countries on Premium
- ✓Network freedom: no new SIM, no new account
- ✓24/7 US-based support — real humans, not bots
- ✓Keep your phone, port your number, eSIM in 10 min
- ✓No contracts, no credit check, cancel anytime
- ✓Multi-line: up to 4 unlimited lines with strong discounts
Plus: network freedom you can't get on a typical postpaid plan.
Example savings based on typical single-line postpaid pricing. Actual savings vary — confirm current pricing on the US Mobile site.
US Mobile vs a typical big-carrier postpaid plan
2026 features and pricing — confirm current details on US Mobile's site.
| Feature | US Mobile Winner | Typical big-carrier postpaid |
|---|---|---|
| Network freedom | ✓Access to all three major 5G networks. Pick the strongest signal and swap free anytime in the app. | Locked to one network for the length of your contract |
| Starting price | ✓$10/mo (Light plan) · Unlimited from about $25/mo | Typically $70–$95/mo for a single unlimited line |
| Premium 5G access | ✓Priority 5G on every unlimited tier | Priority 5G usually reserved for top-tier postpaid plans |
| International roaming | ✓Free in 200+ countries on Unlimited Premium | Usually a paid add-on or day pass |
| Mobile hotspot | ✓Up to 100GB high-speed hotspot on Premium | Often capped at 15–40GB on comparable postpaid tiers |
| Multi-line pricing | ✓Up to 4 unlimited lines with strong per-line discounts | Multi-line discounts often tied to autopay and financing |
| Contract / commitment | ✓None — monthly, cancel anytime | Often 24- or 36-month device financing agreements |
| eSIM activation | ✓Under 10 minutes — instant number port | Can require a store visit or SIM shipment |
| Customer support | 24/7 US-based support (Teardown Team) with fast response times | Varies widely — often long hold times or chatbots |
Independent comparison from Aurexrising. We recommend US Mobile because it wins on price, coverage freedom, and flexibility — not because any carrier told us to.
Switch to US Mobile →Which US Mobile unlimited plan is right for you?
For most people, Unlimited Starter is the sweet spot — real unlimited at a price that undercuts almost every postpaid plan in the country. If you travel internationally or use heavy hotspot, jump to Unlimited Premium.
See the plan I recommend
Three premium 5G networks in one app — from $10/mo, no contracts.