Apple Debuts iPhone Handoff as Carriers Charge Monthly Fees
iOS 27 enables a single phone number across two iPhones, but T-Mobile and Deutsche Telekom are treating the feature as a paid add-on.
Apple has officially launched iPhone Handoff with the release of iOS 27, enabling users to share a single phone number across two different iPhones. While the feature promises seamless connectivity, early carrier implementations in the U.S. and Germany reveal that users will likely pay a monthly premium to access the service.
According to Apple, the service allows a phone number to remain active on whichever device the user picks up, facilitating a fluid transition between hardware. Kaiann Drance, VP of iPhone Product Marketing, detailed the capability during Apple's 'Surprise and Shine' event, stating that iOS 27 improves connectivity through smarter network transitions and the introduction of iPhone Handoff.
Carrier Pricing Models
Despite Apple's focus on technical convenience, carriers are treating the service as a paid add-on. In the United States, T-Mobile will charge users $5 per month to enable iPhone Handoff. Similarly, in Germany, Deutsche Telekom is providing the feature through its MultiSIM offering. This service costs €6.95 per month, although the carrier noted that the cost is waived for customers on select plans.
Technical Foundation
iPhone Handoff represents a significant departure from the traditional one-device-one-number cellular model. The system relies on eSIM technology to provision a companion eSIM on a second device, which is then tied to the user's primary Apple account. This allows the cellular identity to move dynamically between devices rather than requiring a separate line or a complex forwarding setup.
Industry Implications
This shift toward a shared cellular identity marks a pivot in how Apple handles mobile connectivity. However, the introduction of recurring carrier fees for a system-level iOS feature may create friction for consumers. By allowing carriers to monetize a core OS capability, Apple may be setting a precedent for how future connectivity and integration features in iOS are billed to the end user.
Future Outlook
As the feature rolls out, the industry will be watching to see if other global carriers follow the subscription model adopted by T-Mobile and Deutsche Telekom. While the technical framework is now live in select markets, it remains to be seen if Apple will pressure carriers to include the service in standard plans or if the "pay-to-sync" model becomes the standard for multi-device cellular identity.