EventOPQ Session Timing

4321 Timer

A synchronized countdown for speakers, chairs, technicians, and audiences—ready for complex scientific sessions with many topics and different durations.

Designed For

Speakers, Chairs, Session Teams, and Audiences

Programme-Driven Timing

Load preset durations automatically for sessions containing many presentations, panels, and Q&A segments.

Synchronized Displays

One console keeps speaker, chair, audience, and technician displays aligned within the room.

Clear Stage States

Presentation and Q&A stages advance with visible countdown, warning, and timeout states.

Fast Operator Control

Hotkeys allow technicians to operate the timer without keeping the control window in view.

See Synchronized Room Control

The operating guide shows the coordinated podium, chair, audience and technician displays used to keep a scientific session on time.

Session Room Operation Guide showing synchronized timer displaysWatch the Session Room Operation Guide ↗

Download 4321 Timer

The production app is publicly listed on both major app stores. An Event ID is required to load event-specific session and timing data.

Download on the App Store ↗Get It on Google Play ↗Request an Event ID

Offline-Ready by Design

The timer and its room devices continue locally if external connectivity is interrupted.

One Connected Data Source

Session, topic, speaker, and duration data can load from the Organizer Portal and remain aligned with the active room schedule.