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Cellular smartwatch tests the limits of phone dependence

A week with LTE wearables shows they help cut screen time but can't replace a phone for all tasks.

August 10, 2025 at 01:00 PM
blur Ditching my phone for an LTE smartwatch was a humbling experience

A veteran tech reviewer spends a week using an LTE smartwatch to cut screen time and see what a wearable can really replace.

Cellular smartwatch tests the limits of phone dependence

A longtime consumer tech reviewer tried living without a constant phone by relying on an LTE Apple Watch paired with an iPhone for seven days. The test shows the watch can handle basic messaging, emails, and podcasts, but it cannot fully replace a phone. The Apple Watch still depends on an iPhone for full functionality, and some apps have no watch version, making certain tasks slower or awkward in public.

Day by day, the experience varied. Swiping on the watch screen is possible but tedious, and voice input is helpful yet uncomfortable in social settings. The tester could call, navigate, and check notifications, but Slack lacked a watch app and some services required the phone. Boundaries mattered: bedtime Duolingo ended when the tester recognized the need for offline moments, and a later decision to carry the phone when needed kept the experiment practical. By week’s end, the takeaway was clear: a cellular smartwatch is a useful tool but not a standalone fix for phone reliance. A toolkit approach that mixes devices and disciplined habits seems most effective.

Key Takeaways

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A cellular smartwatch can reduce phone use but cannot fully replace a phone
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Watch ecosystems still rely on a connected phone for full operation
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Typing on a tiny watch keyboard is possible but not efficient
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Public use of voice input remains awkward and imperfect
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Some apps and services are not available on watch apps
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Boundaries and routines are essential to make the shift sustainable
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A toolkit approach with multiple devices plus habits works best

"The Apple Watch’s existence depends on an iPhone"

Notes the ecosystem dependency

"This watch didn’t exactly take my phone’s job"

Observation on functionality limits

"Practice is the thing"

Editorial reflection on habit formation

"Not all at once, and not forever, but as an ongoing thing to keep relearning and opting in"

Editorial reflection on ongoing effort

The piece highlights a broader trend: people want less screen time but still need reliable access to essential services. Wearables can trim daily frictions, yet they shift rather than erase the underlying habit. For mass appeal, app ecosystems, offline features, and more capable AI helpers on wearables will matter as much as hardware.

This experiment also points to a design challenge for brands. Slack on a watch is limited, notifications may not flow as expected when the phone is off, and social use of voice tech remains awkward in public. The path forward lies in a mix of stronger software support, better focus tools, and patient habit-building that makes less screen time feel like a gain rather than a sacrifice.

Highlights

  • The Apple Watch’s existence depends on an iPhone
  • This watch didn’t exactly take my phone’s job
  • Practice is the thing
  • Not all at once, and not forever, but as an ongoing thing to keep relearning and opting in

Attention is rebuilt through steady practice, not a single gadget.

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