Checked Sep 26, 2026
How much does Prismm (formerly Allseated) cost?
Prismm (formerly Allseated) publishes a free plan; paid plans run $49–$320 per month. Floor planning, seating and 3D event diagramming for venues, planners and vendors.
Prices are as published by Prismm (formerly Allseated) on Sep 26, 2026. Check the linked source before buying.
Published rates
Plans and add-ons
Plans
| Plan | Price | Billing |
|---|---|---|
| Free1 user, 3 events (fixed), 2 diagrams per event, 150 attendees per list | $0/mo | Check vendor |
| Standard$480/yr annual; 15 events/yr, 3 diagrams per event | $49/mo | Monthly |
| Pro$1,500/yr annual; 50 events/yr | $150/mo | Monthly |
| Premium$3,500/yr annual; unlimited events, diagrams, attendees | $320/mo | Monthly |
| Enterprisecontact sales; multiple users | Quote | Check vendor |
Add-ons
| Add-on | Price |
|---|---|
| Customized add-onstraining, custom floor plans; Enterprise, unpriced | Not published |
Pricing source: cvent.com ↗, checked Sep 26, 2026.
Beyond the plan price
Terms worth checking
- Setup
- Not published · None stated for planners
- Contract & cancellation
- monthly or annual · Renewal: unknown · not stated on pricing page
- Payments
- n/a
- Data export
- yes · Floor plans export as PDF
Source notes
What the headline misses
Each point is tied to a dated statement on Prismm (formerly Allseated)'s site. Open the source to read the full context.
- Every self-serve plan includes one user account; more users require the Enterprise plan with custom pricing.
“Custom number of Users Unlimited events, diagrams, collaborators Ability to delete diagrams”
cvent.com · Sep 26, 2026 ↗ - Plans are capped by events per year: 15 on Standard ($49/mo), 50 on Pro ($150/mo); unlimited requires Premium ($320/mo).
“Events 3 (fixed) 15 events/year 50 events/year Unlimited”
cvent.com · Sep 26, 2026 ↗ - Deleting diagrams is limited to Premium.
“Diagram deletion is limited to Premium”
cvent.com · Sep 26, 2026 ↗ - Free, Standard and Pro plans cap each attendee list at 150 people; unlimited requires Premium.
“Attendees per attendee list 150 150 150 Unlimited”
cvent.com · Sep 26, 2026 ↗
Who it sells to
Prices and quotes are as published on Prismm (formerly Allseated)'s own pages on the date shown, before tax and payment processing. Vendors change prices and terms; check theirs before you buy.
The website-cost question
Which part of Prismm (formerly Allseated) do you actually need?
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