A single-session event has one no-show problem. A multi-day conference has one for every keynote, every breakout, every VIP-only track — and they don’t share a solution, because they don’t share an audience. The person with a VIP pass needs a reminder about their private session. Everyone else emphatically does not need that same reminder, and sending it to them anyway is how conference organizers train their entire list to ignore every future email.
the problem isn’t reminding people. it’s reminding the right people.
Blast tools are built for one audience and one message. A conference is neither — it’s dozens of overlapping audiences (all attendees, VIP-pass holders, people who registered for a specific breakout, sponsors) each needing their own sequence, scoped precisely to what they actually signed up for. Get that scoping wrong and you either spam people into ignoring you, or under-remind the sessions that matter most and watch breakout rooms sit half-empty while the keynote overflows.
scope nudges per session, not per event
The fix is to treat each session as its own campaign with its own invitee list, rather than treating the whole conference as one audience. A VIP-pass holder gets a calendar invite and nudges for their specific track. Someone who only registered for the keynote gets exactly that, and nothing else. See the mechanics on the conferences use case.
the part that saves a conference organizer’s week
Multi-day events change constantly — a room moves, a speaker’s slot shifts thirty minutes, a breakout gets cancelled. Every one of those changes needs to reach exactly the invitees affected, not a blanket "some things changed, check the app" email to everyone. Editing a campaign re-issues the calendar invite in place for just that session’s invitees — their existing calendar entry updates automatically, instead of a duplicate entry sitting next to the old one and confusing everyone about which time is correct.
the same discipline, at a bigger scale
This is the identical mechanic behind running a company-wide all-hands across departments and time zones — different sending identity, different audience, same idea: don’t send one message to everyone and hope it lands for each of them. Scope it.
getting the logistics right for people traveling in
For sessions people are physically traveling to, the same lesson from filling the room at in-person events applies with more force: the last nudge before a session starts is doing real work, competing against someone deciding whether to leave the main hall for a breakout on the other side of the building. Time it close, and it wins that decision far more often than an email sent that morning ever could.
If you’re planning a multi-track event, early access is open now — the first 500 signups lock in 30% off every plan, for as long as they stay subscribed.