Best OnePlan Alternatives in 2026
Updated
20 platforms from event diagramming software ranked against OnePlan on the same published basis.
- 1OnePlan vs EventDiagram
- 2OnePlan vs Eventscript
- 4OnePlan vs SeatPlan.io
- 5OnePlan vs SeatPlanning
- 6OnePlan vs Cvent
- 7OnePlan vs EventReception
- 8OnePlan vs A Seat Awaits
- 9OnePlan vs Interactiva
- 10OnePlan vs Metis Room Planner
- 11OnePlan vs 3D Event Designer
- 12OnePlan vs Planning Pod
- 13OnePlan vs Delphi Diagramming
- 14OnePlan vs EventDraw
- 15OnePlan vs SeatChart.io
- 16OnePlan vs Table-Plan.com
- 17OnePlan vs TablePlan.io
- 18OnePlan vs Visrez Floor Plan Builder
- 19OnePlan vs Event Floor Planner
- 20OnePlan vs GoodEvent Layout
- 21OnePlan vs E3D Planner
OnePlan alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | EventDiagram | 7.4 | Free plan | $0.75/mo | API, Web |
| 2 | Eventscript | 5.9 | Free plan | $76.47/mo | Web |
| 4 | SeatPlan.io | 5.9 | Free plan | £2.42/mo | Web |
| 5 | SeatPlanning | 5.9 | Free plan | $39/mo | Web |
| 6 | Cvent | 5.6 | No | — | Web, iOS, Android |
| 7 | EventReception | 5.6 | No | € 47/mo | Android, iOS, Web |
| 8 | A Seat Awaits | 5.5 | No | $49/mo | Web |
| 9 | Interactiva | 5.4 | No | £25/mo | Web |
| 10 | Metis Room Planner | 5.4 | No | £55/mo | Web |
| 11 | 3D Event Designer | 5.3 | No | $14.95/mo | Android, iOS, Mac, Web, Windows |
| 12 | Planning Pod | 5.2 | No | $199,319/mo | Android, iOS, Web |
| 13 | Delphi Diagramming | 5.1 | No | — | Web |
| 14 | EventDraw | 5.1 | No | — | Web |
| 15 | SeatChart.io | 5.1 | Free plan | $25/mo | Web |
| 16 | Table-Plan.com | 5.1 | No | — | Web |
| 17 | TablePlan.io | 5.1 | No | — | Web |
| 18 | Visrez Floor Plan Builder | 5.1 | No | — | Web |
| 19 | Event Floor Planner | 5.0 | No | — | Web |
| 20 | GoodEvent Layout | 5.0 | No | — | Web |
| 21 | E3D Planner | 4.9 | No | — | Web |
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Questions about OnePlan alternatives
What is the best alternative to OnePlan?
EventDiagram, number 1 in event diagramming software with a score of 7.4 out of 10. The others here: Eventscript, SeatPlan.io, SeatPlanning and 16 more.
What is the best free alternative to OnePlan?
EventDiagram is the best-ranked alternative with a free plan. 5 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.






























