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Nuki Smart Lock Ultra (Swiss round profile)

The Swiss round profile Ultra is useful because it narrows Nuki's premium Matter-over-Thread lock to a door type that otherwise needs careful checking. Buy it only when the Swiss hardware fit is confirmed.

Matter over ThreadCompatibility guideNeeds Thread router
By Matterhome Editorial Team/Edited and fact-checked by JC Martinez
Nuki Smart Lock Ultra Swiss round profile cylinder variant

A narrower Ultra variant

This is still Nuki Smart Lock Ultra, but the buyer problem is different from the Euro profile model. The Swiss round profile version exists for a specific door hardware path, so compatibility should be boring before price, Matter support, or accessory bundles enter the discussion.

If the door is right, the payoff is the same Nuki Ultra platform: a compact interior retrofit lock, Matter over Thread for ecosystem control, and Nuki's app for setup and deeper lock management.

What Matter changes and what it does not

The lock can join Apple Home, Google Home, Alexa, SmartThings, or Home Assistant through Matter over Thread. That removes the need for a Nuki bridge for the Matter path, but it does not turn every Nuki access feature into a portable Matter feature.

Plan on using the Nuki app for installation, calibration, firmware, remote access choices, and accessory pairing. Use your Matter ecosystem for the shared lock-control layer.

Check the cylinder before comparing prices

The wrong lock shape turns a good Matter product into a return. Confirm Swiss round profile compatibility, make sure a Thread border router reaches the entry, and then compare this against the more general Euro profile Ultra or the less expensive Pro and Go models.

Best for

  • Swiss round profile doors that fit Nuki's Ultra path
  • Buyers who want the Ultra design rather than a bulkier retrofit lock
  • Matter homes with Thread already stable at the entrance

Skip if

  • Your door uses Euro profile, Nordic, or North American deadbolt hardware
  • You want a lock that installs without a careful cylinder check
  • You need complete lock administration inside one Matter app

Alternatives To Consider

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