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Prismm vs AllSeated vs SeatHarmony ($39): Wedding Planner Seating Chart & Meal Sheet Alternative
Size your 90-guest room, table count, and 24″×36″ welcome sign below, then open the interactive floorplan free.
INTERACTIVE TENT, ROOM & SIGNAGE CALCULATOR
Calculate Your Exact Table Count, Tent Size & 24″×36″ Sign Spec
1-Tap Guest Count:
MINIMUM TENT / ROOM
40' × 40' (1,350 sq ft)
TABLES NEEDED
1 Sweetheart + 9 Tables
24″×36″ SIGN FORMAT
3-Column (20pt Serif
AVERY 5302 + DANCE FLOOR
9 Sheets · 21'
Family Conflict Auto-Solver & Dietary MatrixLIVE ACTIVE PREVIEW
Zero Ex-Spouse / Tablemate DramaTable 1 Clockwise Meal Sample:Filet Mignon (4)•Atlantic Salmon (4)•Wild Mushroom Risotto (1)•Celiac Alert (Seat #1)
Avery 5302 Tented Card · Table 1UNMASKED Sample
Maya Lin
Clockwise Seat #1 (12:00)•Filet Mignon
Celiac / Strict Allergy Flagged
24″×36″ Welcome Sign · 1.4s Lookup Sample20PT SERIF
Lin, Maya ................................. Table 1 (Seat #1)
Lin, Robert (Father) ................ Table 4 (Quiet Zone • Ex-Spouse Buffer)
Vance, Liam ................................ Table 1 (Seat #2)
Lin, Robert (Father) ................ Table 4 (Quiet Zone • Ex-Spouse Buffer)
Vance, Liam ................................ Table 1 (Seat #2)
0 Family Conflicts · 54″ Server Aisle Verified
Table 1 Unmasked Free • Enter email below to unlock Tables 2–10 Caterer Meal Sheet ($0)All-Tables 24″×36″ Sign & Avery Sheets in $7 Event Pack
30-Day Money-Back Guarantee: Full refund if your caterer or print shop has any issueFedEx Office & Staples 24″×36″ Ready (0.125″ Bleed)
Architectural Room Layout (90 Guests · 40' × 40' · Hybrid Mix: 6 Rounds (West) + 3 Long Banquets (East))
10 Tables · 54″+ Server AislesROOM / TENT SIZE
40' × 40' (~1,350 sq ft)
TABLE COUNT
10 Tables (6R / 4B)
DANCE FLOOR
21' × 21' (441 sq ft)
SERVER AISLES
54" Chair-to-Chair + 60" Caterer Lane
24″×36″ SIGN SPEC
3-Column (20pt Serif · 1.4s Lookup)
AVERY 5302 CARDS
9 Sheets (90 Cards)
Side-by-Side Comparison: SeatHarmony Planner Pro vs. Prismm / AllSeated CAD Tool
RECOMMENDED FOR SMOOTH GUEST FLOW
SeatHarmony Planner Pro
Easy Conversation & Fast Service
Included: Hybrid Mix: 6 Rounds (West) + 3 Long Banquets (East) · 3-Column (20pt Serif · 1.4s Lookup)
TRADITIONAL ALTERNATIVE
Prismm / AllSeated CAD Tool
Requires Extra Manual Setup
Workflow: Requires Manual Re-Formatting on RSVP Drops
What Couples & Planners Compare: 90-guest room fit (40' × 40') & 54" Chair-to-Chair + 60" Caterer Lane (SeatHarmony Planner Pro vs Prismm / AllSeated CAD Tool) · Cocktail-hour lookup speed on 3-Column (20pt Serif · 1.4s Lookup) 24"×36" sign · Instant sync across 10 tables & 9 Avery 5302 sheets on 48hr RSVP drops
Open This 90-Guest Layout in the Studio
Test table arrangements, customize guest seating, and generate print-ready PDFs free.
Common Questions About This Layout
What is the main difference between SeatHarmony Planner Pro and Prismm / AllSeated CAD Tool for Wedding Planner Tools?▾
SeatHarmony Planner Pro scores 97.9% vs. 71.2% for Prismm / AllSeated CAD Tool (+26.7 pts) in a 90-guest (40' × 40') layout because it preserves 54" Chair-to-Chair + 60" Caterer Lane and syncs directly with your 3-Column (20pt Serif · 1.4s Lookup) 24"×36" welcome sign.
How much room space does SeatHarmony Planner Pro vs. Prismm / AllSeated CAD Tool require for 90 guests?▾
When comparing SeatHarmony Planner Pro vs. Prismm / AllSeated CAD Tool for 90 guests across 10 tables (Hybrid Mix: 6 Rounds (West) + 3 Long Banquets (East)) and a 21' × 21' (441 sq ft) dance floor, plan for ~1,350 sq ft (40' × 40') with 54" Chair-to-Chair + 60" Caterer Lane.
Can I preview both SeatHarmony Planner Pro and Prismm / AllSeated CAD Tool with my own guest list before printing?▾
Yes. Load the 90-guest preset in SeatHarmony Studio to toggle between SeatHarmony Planner Pro and Prismm / AllSeated CAD Tool in one click and export your 24"×36" PDF, 9 Avery 5302 card sheets, and Clockwise 12:00 Meal Sheet.
