Friday smart lock connects to your phone via Bluetooth or Wi-Fi, giving you the ability to lock or unlock your door as you leave or approach. You can also unlock it from afar if you need to let someone in.


  • Installed on the inside of your door, Friday Smart Lock won’t attract any unwanted attention from outside.
  • Its authentication process uses encryption technology that’s on the same level as major banks, ensuring that it’s completely secure.


  • Friday smart lock keeps a log of its usage history so that you have a complete record of when your lock was used, and by whom.


You can install Friday Smart Lock yourself. It is installed on the inside of your door and replaces the thumb latch, meaning that your physical keys will still work - all it takes is a few minutes and a screwdriver.


Friday is compatible with iOS devices that have Bluetooth 4.0 LE hardware and running iOS 7.0 or later.


The Friday smart lock has the smallest dimensions of any retrofit lock on the market, which means it takes up much less space on your front door.

Width: 70 mm / 2.76" inches

Height: 47.5 mm / 1.87" inches

Long Lasting​​​​

Friday smart lock features a high powered rechargeable lithium battery that lasts longer than 4 x AA battery.

When the battery is running low you will receive a notification so that you have plenty of time to recharge. A battery charger is included in the kit.

Access log

Friday Smart Lock can keep a log of its usage history so that you have a complete record of when your lock was used, and by whom.


Issue temporary or permanent keys to friends, family & staff in a matter of seconds, and revoke them again whenever you need to.


Friday Smart Lock is designed by BIG, part of the Bjarke Ingels Group. BIG is a Copenhagen, New York and London based group of architects, designers, builders, and thinkers operating within the fields of architecture, urbanism, interior design, landscape design, product design, research and development.

The products two guiding principles are beauty and simplicity; Friday’s unique shape is inspired by the architectural principle of the Saddle Roof, making it striking yet ergonomic.


Retrofitting a Friday Smart Lock is quick and easy.

Once you’ve unscrewed your door’s original thumb latch, attach Friday Smart Lock’s baseplate to the door using the same screws.

Then you just need to attach the rest of your Friday Smart Lock on top of the baseplate, insert the battery and you’re good to go.


With the Friday Smart Lock app you are always in control - even when you’re not at home. You can check whether the door is locked or unlocked, and receive notifications when someone enters or leaves.

Friday Smart Lock is equipped to detect anomalous stress loads and will send you a notification if this occurs. So if anyone attempts to break into your home, you’ll know right away - no matter where you are.


With several finishes and treatments, there’s a Friday Smart Lock for every type of door - and the shell can be replaced at your will, you’ll never have to settle for one style.