T-Mobile will charge $5/month for Apple’s new iPhone Handoff feature

The feature lets a single phone number operate on two iPhones simultaneously. By linking the service to carrier agreements, Apple positions the function as a shared‑number solution, while carriers stand to gain new subscription revenue. Apple’s footnotes enumerate carrier requirements, hinting at a revenue‑sharing model between Apple and participating networks. Subsequent stories added pricing and operational details. Engadget and 9to5Mac confirmed that T‑Mobile will charge $5 per month for access to Handoff.

Mashable explained how the fee is applied and Android Authority warned that the convenience comes at an extra cost. GSMArena published calculations of the monthly expense for using one number on two devices, and MacRumors noted iOS 27 will extend the feature to additional carriers later this year. Not all outlets agree on availability. Báo VietNamNet highlighted that the two‑iPhone number sharing feature remains unavailable in Vietnam, contradicting the Mac Observer’s implication of worldwide carrier support. While The Mac Observer and MacRumors frame the launch as global, the Vietnam report underscores regional restrictions, suggesting that carrier rollout varies beyond the initial two markets.

The discrepancy underscores that carrier agreements differ by market. Apple’s footnotes continue to govern carrier participation, and iOS 27’s roadmap promises further expansion. Users who adopt the service gain a shared‑number capability, but they incur an additional subscription charge, while T‑Mobile secures a new revenue stream. Future carriers may adopt similar pricing as Apple expands to more networks.