Smart buzzer for apartments and condos
Protobuzz turns your intercom into a smart buzzer. Answer on your phone, unlock from anywhere, and share access with trusted people without replacing hardware.
Works with any buzzer
No wiring or building approval required. Keep your existing intercom.
Setup takes minutes and you can test it with a free trial.
Everything you need in a smart buzzer
Control from your phone
Remote unlock
Guest and delivery codes
Works with your intercom
Share with household
Logs and alerts
Why residents love the Protobuzz callbox app
Skip complicated hardware upgrades. Our digital buzzer system gives you remote door entry, shareable guest codes, and schedule based automations you can manage from any device.
Whether you need to control building buzzer access for roommates, cleaners, or delivery drivers, Protobuzz keeps every unlock in one transparent log.
Plans and pricing
Choose a smart buzzer plan for your building. Free trial included. Pay monthly or yearly and save with annual billing.
Community
Essential smart buzzer features for single users with push alerts and basic triggers.
Billed yearly ($14.99/year)
- Push notifications
- Basic triggers
Standard
Smart buzzer with call forwarding, a dedicated number, remote unlock, and group sharing.
Billed yearly ($49.99/year)
- Call forwarding
- Dedicated number
- Remote unlock
- Guest codes
- Group access
- Activity log
Premium
Advanced tools for multi unit buildings and property managers.
Billed yearly ($99.99/year)
- Multiple properties
- Advanced automations
- Audit logs
- Priority support
Loved by residents and roommates everywhere
Here's what people are saying about Protobuzz
Jay S.
@jays500698896
User friendly and convenient app! Love that I can share this with my roommates and that it's fully automated!!
A.S.
@as.24
Completely automates the Buzzer and allows me to control entry through my phone. Especially helpful during parties!
Kaya P.
@kaya_param
Super easy to set up & has made life so much easier. Really convenient & has saved myself so much time.
Sofia L.
@toronto_condo_life
Protobuzz has totally changed how I get guests in. No more running down to the lobby; I just tap my phone.
Alex R.
@host_with_the_most
As an Airbnb host this app is a lifesaver. Guests let themselves in and I don't have to hand out keys.
Mila B.
@mila_builds
Setup took less than 5 minutes. Honestly one of the smoothest apps I've used for home stuff.
Jayden P.
@jaydenparty
Had 20 people over last weekend and didn't have to buzz once. Protobuzz handled it all automatically.
Daniel K.
@urbanlivingguy
Never realized how annoying the old buzzer was until I switched. This is just seamless.
Roomiez
@roomiez4life
My roommates and I all share it. Everyone can let friends in, so no more group chats asking "who's home?"
Grace L.
@techsavvygrandma
Even I could set it up, and I'm not great with tech. Super simple.
Sam T.
@condohost_toronto
Saved me so much time managing deliveries. Couriers just get in and drop off packages.
Jay S.
@jays500698896
User friendly and convenient app! Love that I can share this with my roommates and that it's fully automated!!
A.S.
@as.24
Completely automates the Buzzer and allows me to control entry through my phone. Especially helpful during parties!
Kaya P.
@kaya_param
Super easy to set up & has made life so much easier. Really convenient & has saved myself so much time.
Sofia L.
@toronto_condo_life
Protobuzz has totally changed how I get guests in. No more running down to the lobby; I just tap my phone.
Alex R.
@host_with_the_most
As an Airbnb host this app is a lifesaver. Guests let themselves in and I don't have to hand out keys.
Mila B.
@mila_builds
Setup took less than 5 minutes. Honestly one of the smoothest apps I've used for home stuff.
Jayden P.
@jaydenparty
Had 20 people over last weekend and didn't have to buzz once. Protobuzz handled it all automatically.
Daniel K.
@urbanlivingguy
Never realized how annoying the old buzzer was until I switched. This is just seamless.
Roomiez
@roomiez4life
My roommates and I all share it. Everyone can let friends in, so no more group chats asking "who's home?"
Grace L.
@techsavvygrandma
Even I could set it up, and I'm not great with tech. Super simple.
Sam T.
@condohost_toronto
Saved me so much time managing deliveries. Couriers just get in and drop off packages.
Jay S.
@jays500698896
User friendly and convenient app! Love that I can share this with my roommates and that it's fully automated!!
A.S.
@as.24
Completely automates the Buzzer and allows me to control entry through my phone. Especially helpful during parties!
Kaya P.
@kaya_param
Super easy to set up & has made life so much easier. Really convenient & has saved myself so much time.
Sofia L.
@toronto_condo_life
Protobuzz has totally changed how I get guests in. No more running down to the lobby; I just tap my phone.
Alex R.
@host_with_the_most
As an Airbnb host this app is a lifesaver. Guests let themselves in and I don't have to hand out keys.
Mila B.
@mila_builds
Setup took less than 5 minutes. Honestly one of the smoothest apps I've used for home stuff.
Jayden P.
@jaydenparty
Had 20 people over last weekend and didn't have to buzz once. Protobuzz handled it all automatically.
Daniel K.
@urbanlivingguy
Never realized how annoying the old buzzer was until I switched. This is just seamless.
Roomiez
@roomiez4life
My roommates and I all share it. Everyone can let friends in, so no more group chats asking "who's home?"
Grace L.
@techsavvygrandma
Even I could set it up, and I'm not great with tech. Super simple.
Sam T.
@condohost_toronto
Saved me so much time managing deliveries. Couriers just get in and drop off packages.
Jay S.
@jays500698896
User friendly and convenient app! Love that I can share this with my roommates and that it's fully automated!!
A.S.
@as.24
Completely automates the Buzzer and allows me to control entry through my phone. Especially helpful during parties!
Kaya P.
@kaya_param
Super easy to set up & has made life so much easier. Really convenient & has saved myself so much time.
Sofia L.
@toronto_condo_life
Protobuzz has totally changed how I get guests in. No more running down to the lobby; I just tap my phone.
Alex R.
@host_with_the_most
As an Airbnb host this app is a lifesaver. Guests let themselves in and I don't have to hand out keys.
Mila B.
@mila_builds
Setup took less than 5 minutes. Honestly one of the smoothest apps I've used for home stuff.
Jayden P.
@jaydenparty
Had 20 people over last weekend and didn't have to buzz once. Protobuzz handled it all automatically.
Daniel K.
@urbanlivingguy
Never realized how annoying the old buzzer was until I switched. This is just seamless.
Roomiez
@roomiez4life
My roommates and I all share it. Everyone can let friends in, so no more group chats asking "who's home?"
Grace L.
@techsavvygrandma
Even I could set it up, and I'm not great with tech. Super simple.
Sam T.
@condohost_toronto
Saved me so much time managing deliveries. Couriers just get in and drop off packages.
Frequently Asked Questions
Protobuzz answers the most common questions about smart buzzer access, subscriptions, and getting started below.