Comparison

Da Buzzer vs AV Control (AV over IP)

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Da Buzzer

This app allows you to know when visitors arrive without installing hardware. Generate a unique QR code that guests scan to send you an instant notification. It's ideal for homes and businesses, supporting multiple users and working anywhere with internet access.

Highlights
  • QR code powered doorbell
  • Instant visitor notifications
  • No hardware or batteries required
  • Supports multiple users
  • Works anywhere with internet
  • Customizable visitor pages
Features
Read full description

Your Doorbell, Reinvented. Da Buzzer is a smart, wireless, and effortless way to know when someone is at your door—without installing hardware or relying on batteries. Simply generate and print your unique QR code. When guests scan it, you instantly receive a notification on your phone. Perfect for Every Home or Business Whether you live with family, share a space with roommates, or manage a storefront, Da Buzzer supports multiple users. Add several people to the same QR code so everyone gets notified at the same time—never miss a visitor again. Always On. Always Reliable. No wires. No power source. No extra devices. Da Buzzer works anywhere you have internet access, making it ideal for buildings with limited infrastructure or frequent power outages. Create a Personalized Welcome Customize your QR-powered visitor page with names, instructions, or location details—helping guests know exactly where to go and who they’re there to see. Da Buzzer turns any door into a smart entrance—with zero setup hassles.

About

AV Control (AV over IP)

Features
Read full description

SC&T AV over IP Control App – Streamlined AV Management at Your Fingertips Take control of your AV over IP systems with the SC&T AV over IP Control App, now available online! Designed for seamless operation, this intuitive app lets you manage SC&T AV over IP solutions directly from your mobile device, making audio-visual control easier and more efficient than ever. Key Features: Effortless Autodetect: Automatically detects SC&T AV over IP devices and connects with a single tap. Quick Profile Switching: Swipe between layouts and apply new profiles instantly with clear, visual profile. Real-Time Source Switching: Preview and switch input sources on the fly using a user-friendly graphical interface. Installer & User Mode Switching: Toggle between Installer Mode for full configuration access and User Mode, which restricts actions to source switching or loading presets without altering settings. Video Wall Configuration: Easily set up video walls by defining the number of displays and adjusting boundaries for a perfect layout. Customizable Channels: Assign channel names and icons for quick identification and a personalized experience. Whether managing a conference room, retail display, or home theater, the SC&T AV over IP Control App empowers you with fast, reliable, and flexible control. Download Now on APP Store and elevate your AV experience with SC&T! Visit http://sct.com.tw/ for more details or contact us at service@sct.com.tw for support.

Screenshots

Da Buzzer4 screens
AV Control (AV over IP)4 screens

Verdict

The call

The clearest difference is iOS requirement: AV Control (AV over IP) at 15.5 against Da Buzzer's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Da Buzzer ships an update every 15 months, AV Control (AV over IP) every 8 months. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

Scorecard1 real difference · 9 level
Da Buzzer versus AV Control (AV over IP): the parameters behind the verdict, then further details
ParameterDa BuzzerAV Control (AV over IP)
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 15 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.5 — better
Further details — not scored
Size12 MB27 MB
Age rating4+4+
DeveloperRahul RahateSHAO CHUN KUO

In-app purchases

None

Da Buzzer

No in-app purchases

None

AV Control (AV over IP)

No in-app purchases

Questions

Is Da Buzzer free?
Da Buzzer is free to download, with no in-app purchases.
Is AV Control (AV over IP) free?
AV Control (AV over IP) is free to download, with no in-app purchases.
Do Da Buzzer or AV Control (AV over IP) have ads?
Neither Da Buzzer nor AV Control (AV over IP) shows ads.
Which is updated more often, Da Buzzer or AV Control (AV over IP)?
Da Buzzer ships an update every 15 months, and AV Control (AV over IP) every 8 months. Most recently, Da Buzzer was updated on October 24, 2026 and AV Control (AV over IP) on October 5, 2026.

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