Online Quiz Buzzer vs PiDMX Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Online Quiz Buzzer
This app simulates a quiz buzzer system for "fastest finger first" games. Participants join a room with a code, and the first person to press their button has their name displayed. The system resets to allow further button presses.
- Join rooms with an 8-digit code
- Displays name of first person to press button
- Highlights the first pressed button
- Resets the buzzer state
- Internet connectivity required
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An online quiz buzzer for use in fastest finger first quiz First, enter an 8-digit number to enter the room. When someone's button is pressed, the answerer's name will be displayed. The button of the person who pressed it first will be red, and the displayed name will also be red. If you reset the state where the answerer is displayed, it will return to the state where the button can be pressed. - There is a delay due to the quick push button using the Internet. Please note that it cannot be used for strict quick press. - Please note that the room is not a private space - Since it uses a network, it will not work if you are not connected to the Internet.
PiDMX Mobile
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PiDMX allows you to control entertainment lights equipped with DMX 512 protocol
Screenshots
Verdict
The clearest difference is ads: PiDMX Mobile at none against Online Quiz Buzzer's shown. PiDMX Mobile also leads on iOS requirement (13.0 vs 15.6). Online Quiz Buzzer's advantage is update cadence (every 3 months vs every 7 months). On price, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Online Quiz Buzzer ships an update every 3 months, PiDMX Mobile every 7 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | Online Quiz Buzzer | PiDMX Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months — better | Every 7 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryouhei Azuma | Davide Lavalle |
In-app purchases
Online Quiz Buzzer
No in-app purchases
PiDMX Mobile
No in-app purchases
Questions
Is Online Quiz Buzzer free?
Is PiDMX Mobile free?
Do Online Quiz Buzzer or PiDMX Mobile have ads?
Which is updated more often, Online Quiz Buzzer or PiDMX Mobile?
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