SMS Messaging Program

Last updated: November 7, 2026

Overview

Prezva's SMS program is operated by 4S Logistics LLC. Help: support@prezva.app.

Prezva sends event notifications by SMS to attendees who opt in. Messages relate only to events you register for.

How to Opt In

To opt in, check the separate SMS box and enter your mobile number when you register for an event at prezva.app. Our texting number will be listed here once it is active.

Message Types & Frequency

You may receive session reminders, schedule changes, day-of announcements, and check-in confirmations. Frequency varies by event. Message and data rates may apply.

Opt Out / Help

Reply STOP, QUIT, END, REVOKE, OPT OUT, CANCEL or UNSUBSCRIBE to stop messages. Reply START to resume. Reply HELP for help, or contact support@prezva.app.

Sample Messages

  • “Your session starts in 30 minutes. Tap here to join: [link] Reply STOP to opt out.”
  • “Session change — Keynote is now in Room B. See you there. Reply STOP to opt out.”
  • “You’re checked in to [Event]. Welcome! Reply STOP to opt out.”

Privacy

No mobile information is sold or shared with third parties for marketing. See our Privacy Policy and Terms of Service for full details.