Life & fun · alternatives · 2026

24 alternatives to Protobuzz

Smart buzzer app for condos and apartments

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Bubble for native mobile apps (beta)▲1,029
Build native mobile apps for iOS and Android without code.
2025 · bble.io · its alternatives →
2
Buzzcut▲9
The smart buzzer for apartments & condos
2024 · its alternatives →
3IB
I built a Jeopardy game maker with buzzer support▲284
Sometime in early 2022, my wife and I started watching Jeopardy! regularly, almost by accident. Inspired, I thought it would be fun to create and host my own games with family and friends. By September 2022, I debuted Buzzinga at a family reunion. Back then, it was just a website running locally on my MacBook. It was a total blast, and I knew this was something the world should enjoy too. I launched Buzzinga.io in December 2023 and have been rolling out regular updates for our 2000+ users ever since. Features: - Built-in buzzer support (phones and physical buzzers) - Automatic scorekeeping -…
2024 · buzzinga.io · its alternatives →
4
birb▲440
Map-first iOS rentals browser in London
2022 · its alternatives →
5
DoorBuzzing▲86
Turn your existing door buzzer into a smart device
2015 · its alternatives →
6
AppBuzz▲136
Turn Your Ecom Site into an AI-Powered Mobile App in 60 secs
2024 · its alternatives →
7BS
Buzzer Server – Apartment Intercom? Buzz People in with Phone▲8
2014 · github.com · its alternatives →
8
Buzzerr▲93
Make queue management effortless
2023 · its alternatives →
9
Fuser Apps▲203
Vibecode apps, sites & games on everyone's favorite canvas
Jul 2026 · fuser.studio · its alternatives →
10
Knocker▲94
Unlock building doors with your voice – no hardware needed
2024 · its alternatives →
11IB
I built an app to use a QR code as my doorbell▲140
I didn’t have a doorbell before (multiple reasons) and my house feels unwelcoming without one. So I built a doorbell app that uses a QR code - visitors scan the QR code to ring the doorbell and I get notified on my phone. Here is an example of the QR code I have on my door. You can scan it and say hello: https://www.thebacklog.net/img/2024/10/show-hn.png This was also a great excuse to build my first app for Android and iPhone. I’d love to get some feedback before I spend more time polishing the app. Please try it out and feel free to ask me any questions! No…
2024 · dingdongdoorbell.com · its alternatives →
12
Beeper▲346
All your chats in one app
2025 · beeper.com · its alternatives →
13
Nothing Playground▲169
Vibe-code your Nothing phone
Oct 2025 · playground.nothing.tech · its alternatives →
14
Startupbnb▲195
Discover co-living spaces, co-working spaces and retreats.
2016 · its alternatives →
15
AppWizzy▲166
Rent a private VM with Codex to build production apps
Jun 2026 · appwizzy.com · its alternatives →
16
Gappsy▲156
No code mobile app builder like Bubble with faster drag/drop
2020 · its alternatives →
17
Sizze▲188
Convert design to app with ease
2021 · its alternatives →
18
Pocket by Meta▲69
Vibe-code games, then share them like TikToks
18d ago · apps.apple.com · its alternatives →
19
Wink Relay▲99
A simpler way to a smarter home
2016 · its alternatives →
20
Vibe Pocket▲135
Run AI agents like Claude Code, Codex, Opencode on mobile
Dec 2025 · vibepocket.com · its alternatives →
21
Rico▲143
Turn your used smartphone into a smarthome device.
2014 · its alternatives →
22
Buzzboard▲19
Where founders and builders co-work and think out loud
2025 · its alternatives →
23
BuzzBonus▲109
AI social widget to boost engagement
2023 · its alternatives →
24
BuzzBuzzHome▲60
The scoop on new home construction in your hood.
2014 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →