Buzz your guests in from anywhere, set auto-unlock windows for deliveries, and share guest passes — all from your phone. No hardware. No installation. Your building changes one phone number and you're live.
Get started Log inBuzzes ring up to 4 phones. Whoever answers presses one key to let your guest in — from the couch or across town.
Expecting deliveries or hosting a party? Open the door automatically for 30 minutes or a few hours. It always turns itself back off.
Send your dog walker a private link. They tap it at the door and walk in. Revocable, time-boxed, and every use is logged.
Phone notifications for every buzz — including the ones you missed.
Sign up. We create your unit's private Threshold number and your dashboard login.
Tell your building. Ask management to point your unit's buzzer at your Threshold number — the same one-line change they make when anyone updates their phone number.
Done. Buzzes ring your phones. Open the app for auto-unlock, guest passes, and history.