Mermaid Chart today
At 10 seats
$100
Plus plan
- Contract
- Annual billing only; plans can be changed or cancelled anytime, effective next billing...
- Free plan
- Basic plan: free, core diagramming features, 3 diagrams listed (compare table says up...
Cheaper than Mermaid Chart (2)
Compared at 10 seats, same currency.
| Alternative | At 10 seats | Against Mermaid Chart | States that Mermaid Chart doesn't | Contract | Free plan |
|---|---|---|---|---|---|
 AFFiNECloud Pro, read Oct 29, 2026 |
$6.75$6.75, includes 10 users | $93.25 less | Infinite whiteboard canvas | Not found | Cloud Free: unlimited local workspaces, 10 GB cloud storage, real-time... |
 Napkin AIPlus, read Oct 29, 2026 |
$90$9 × 10 seats | $10 less | Export to PNG, SVG, PDF, Public API | Cancel any time; paid features stay until the end of the billing... | Free forever: 500 AI credits per week, unlimited editing, file import and... |
Other options (11)
No computed reason to switch, listed for completeness.
| Alternative | At 10 seats | Against Mermaid Chart | States that Mermaid Chart doesn't | Contract | Free plan |
|---|---|---|---|---|---|
 LucidchartTeam, read Oct 29, 2026 |
$100$10 × 10 seats | Same price | Public API | Not found | Free plan with 3 editable documents, 75 shapes per document, 100 templates... |
 LucidsparkTeam, read Oct 29, 2026 |
$100$10 × 10 seats | Same price | Infinite whiteboard canvas, Public API | Pay monthly or annually; cancel anytime | Free Lucidchart: 3 editable documents, 75 shapes per document, 100... |
 MiroStarter, read Oct 29, 2026 |
$100$10 × 10 seats | Same price | Infinite whiteboard canvas, Export to PNG, SVG, PDF, Public API | Terms renew for successive 12-month periods unless notice of... | Free plan with 3 editable boards, templates, formats, 10 AI credits per... |
 BoardmixStarter, read Oct 29, 2026 |
$120$12 × 10 seats | $20 more | Infinite whiteboard canvas | Not found | Free plan with 1 team workspace, 3 editable boards, 100 objects per board, 1... |
 ClickUp WhiteboardsCore, read Oct 29, 2026 |
$120$12 × 10 seats | $20 more | HIPAA BAA, Public API | Annual plans renew for 12 months unless cancelled 30 days before... | Free Forever plan with unlimited tasks, unlimited free members, 60 MB... |
 WhimsicalBusiness, read Oct 29, 2026 |
$200$20 × 10 seats | $100 more | Infinite whiteboard canvas, Public API | Negotiable Master Service Agreement on Business | Free plan with unlimited boards, unlimited workspace members, unlimited... |
 EraserBusiness Plus, read Oct 29, 2026 |
$420$42 × 10 seats | $320 more | Infinite whiteboard canvas, Export to PNG, SVG, PDF, Public API | Not found | Free forever: 3 files, 3 AI credits, 7-day version history, unlimited guests |
 IcePanelGrowth, read Oct 29, 2026 |
$500$50 × 10 seats | $400 more | Export to PNG, SVG, PDF, Public API | Standard commercial terms on Free; custom terms on Scale and... | Free plan: 1 editor, unlimited viewers, up to 100 model objects, unlimited... |
 ConceptboardStarter, read Oct 29, 2026 |
€50Starter | Not comparable | Infinite whiteboard canvas | 12 months for 10+ users on Advanced; 24 months for 100+ users on... | Free plan with 3 active boards, 100 objects per board and 250 MB storage |
 FigJamProfessional Collab seat, read Oct 29, 2026 |
$5/moProfessional Collab seat plan, starting price | Not comparable | Public API | Organization and Enterprise are billed annually | Starter plan is free with unlimited drafts, UI kits and templates, and 150... |
 MockFlowPlus, read Oct 29, 2026 |
$12/moPlus plan, starting price | Not comparable | Infinite whiteboard canvas, Export to PNG, SVG, PDF, Public API | No contracts, no cancellation fees | Basic is free forever with 1 editor plus 5 reviewers, 4 projects and 500... |
No price found, or contact sales (6)
- Createlyhybrid
- draw.io (diagrams.net)self serve
- Excalidrawself serve
- Microsoft Whiteboardcontact the vendor
- tldrawcontact the vendor
- Visio (Microsoft)hybrid
Questions
What is the cheapest alternative to Mermaid Chart?
AFFiNE, at $6.75 at 10 seats, $93.25 less than Mermaid Chart. Computed from each vendor's published prices.
Is there a free alternative to Mermaid Chart?
Yes. 13 AI diagram and whiteboard tools have a free plan, including AFFiNE, Napkin AI, Lucidchart, Lucidspark, Miro.
How this page is made
Alternatives come from Mermaid Chart's own category, AI diagram and whiteboard tools. Prices come from each vendor's pricing page and are compared at the same volume where both can be computed, and by starting price where neither can. "States that Mermaid Chart doesn't" lists what we found on the other vendor's site and didn't find on Mermaid Chart's, which doesn't prove Mermaid Chart lacks it. How prices are read.