Whiteboard by Athena AI vs Mermaid Viewer vs Tenorshare AI Diagrimo vs Napkin

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
WBWhiteboard by Athena AI
vs
Competitor 1
Mermaid Viewer
Competitor 2
Tenorshare AI Diagrimo
Competitor 3
Napkin
Compare
4 tools · best value per row highlighted
Your tool WBWhiteboard by Athena AI
athenaboard.ai
Instant Visual Creation Describe your concept, and watch as AI instantly generates flowcharts, wireframes, mind maps, or UI prototypes—ready in seconds. Perfect for entrepreneurs, digital teams, and
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Competitor Mermaid Viewer
mermaidviewer.com
Mermaid Viewer runs entirely in your browser
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Competitor Tenorshare AI Diagrimo
tenorshare.ai
Tenorshare AI Diagrimo is a diagram and infographic maker that converts typed text into structured visuals.
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Competitor Napkin
napkin.ai
Napkin works directly from your text: paste or import it, click generate, and it proposes visuals that match the ideas in the writing.
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Traffic estimated monthly website traffic
Monthly visits
1.1Kvisits/mo
143.2Kvisits/mo
201.9Kvisits/mo
1.3Mvisits/mo
MoM change
▲ 1,238.1%
▼ 10.9%
▼ 10.4%
▼ 8.5%
6-month growth
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-9.3%
-79.0%
-46.4%
Global rank web
#12,935,820
#317,277
#216,868
#36,124
Avg. last 3 months
402
163.4K
252.8K
1.4M
Bounce rate lower is better
38%
45%
44%
41%
Pages / visit
1.1
1.8
1.9
3.9
Visit duration
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19s
27s
2m 36s
Traffic sources
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● Direct 81% · ● Referral 19%
● Direct 67% · ● Referral 32%
● Direct 86% · ● Referral 9%
Whiteboard by Athena AIMermaid ViewerTenorshare AI DiagrimoNapkin
0831.2K1.7M2.5M3.3MWhiteboard by Athena AI · 98Whiteboard by Athena AI · 174Whiteboard by Athena AI · 78Whiteboard by Athena AI · 84Whiteboard by Athena AI · 1.1KMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KTenorshare AI Diagrimo · 255.7KTenorshare AI Diagrimo · 1.1MTenorshare AI Diagrimo · 1.1MTenorshare AI Diagrimo · 961.7KTenorshare AI Diagrimo · 579.1KTenorshare AI Diagrimo · 528KTenorshare AI Diagrimo · 331.1KTenorshare AI Diagrimo · 225.3KTenorshare AI Diagrimo · 201.9KNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3M101001K10K100K1M10MWhiteboard by Athena AI · 98Whiteboard by Athena AI · 174Whiteboard by Athena AI · 78Whiteboard by Athena AI · 84Whiteboard by Athena AI · 1.1KMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KTenorshare AI Diagrimo · 255.7KTenorshare AI Diagrimo · 1.1MTenorshare AI Diagrimo · 1.1MTenorshare AI Diagrimo · 961.7KTenorshare AI Diagrimo · 579.1KTenorshare AI Diagrimo · 528KTenorshare AI Diagrimo · 331.1KTenorshare AI Diagrimo · 225.3KTenorshare AI Diagrimo · 201.9KNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$5.99per month · free tier available
$69.99per month · free tier available
$6.99per month · free tier available
$9per month · free tier available
Free tier
Free trial
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API access
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Plans
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Free FreeStarter $69.99/yrPro $119.99/yr
Free FreePlus Monthly $9.99/moPlus Annual $6.99/mo
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Capabilities input → output
Input
Text
CodeText
Text
DataText
Output
Images
CodeImages
Images
DataImagesSlides
Skill level
Beginner-friendly
Intermediate
Beginner-friendly
Beginner-friendly
Categories
Design & CreativeProductivity & OfficeAI Diagram GeneratorAI Mind Mapping+1 more
Productivity & OfficeAI Diagram Generator
Design & CreativeProductivity & OfficeAI Diagram GeneratorAI Infographic Generator
Design & CreativeProductivity & OfficeAI ChartingAI Diagram Generator+3 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
9
6
5
7
Diagrams
Flowcharts
Diagram assistance
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Infographics
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Mind maps
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Charts
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Code diagramming
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Data charts
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Mermaid images
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Wireframes
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Collaborative design
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Google meet assistance
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Presentations
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Prototyping
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UML diagrams
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UX design
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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Saves
0
0
0
0
Reviews
0
0
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Prompts
0
0
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Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.