Access
Prismm offers demo or account entry; the reviewed official pages do not establish a current free tier. Seatify organizer access is in closed beta; its signup page shows the currently available access path.
Source-checked comparison
Seatify vs AllSeated / Prismm: current access and 2026 migration
AllSeated was rebranded as Prismm. Cvent’s current migration schedule moves Prismm work into Cvent Event Diagramming during 2026, so this page dates the transition instead of treating the old name as a separate, unchanged product.
Current official sources
Seatify and AllSeated / Prismm, field by field
Verified August 5, 2026. Seatify is in private beta. Join the early-access waitlist to request organizer access. The public demo uses sample data. Creating or managing your own event requires approved early access. The public demo uses sample data.
Documented workflow
Prismm documents to-scale layouts, guest lists, seating assignments, collaboration, and 2D/3D event design. Seatify’s public demo uses sample data to show a relationship-aware seating flow.
Output and transition
Prismm documents shareable designs and reports. Under Cvent’s current schedule, Prismm becomes view/export-only October 1, 2026 and sunsets December 31, 2026; confirm the current migration state before committing work.
Consider when
Evaluate Prismm/Cvent for spatial design and an established collaborative venue workflow. Evaluate Seatify’s sample demo when relationship-aware seating is the question, then request closed-beta access before planning your own event.
Seatify actions available now
Try the Public Demo with sample data, or Join the Early-Access Waitlist to request organizer access.
Official sources for this comparison
- Prismm event design software (official source) — retrieved . Prismm, formerly AllSeated, documents demo/account entry, guest lists, seating assignments, to-scale plans, 2D/3D design, collaboration, and shareable links.
- Cvent Prismm migration resources (official source) — retrieved . Cvent documents the 2026 Prismm-to-Cvent Event Diagramming transition, including the October view-only phase and December 31 sunset.
Build provenance
Production deployment commit 2793268d7f287ffaa5a5a9fe71f1364d96c6de20