Mermaid Viewer vs Napkin vs Whiteboard by Athena AI vs Tenorshare AI Diagrimo
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Mermaid Viewer
vs Mermaid Viewer
Competitor 1
Napkin
Napkin
Competitor 2
WBWhiteboard by Athena AI
Competitor 3
Tenorshare AI Diagrimo
Tenorshare AI DiagrimoCompare
4 tools · best value per row highlighted
Competitor
Napkin
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.
Competitor
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
Competitor
Tenorshare AI Diagrimo
Tenorshare AI Diagrimo
tenorshare.ai
Tenorshare AI Diagrimo is a diagram and infographic maker that converts typed text into structured visuals.
Traffic estimated monthly website traffic
Monthly visits
143.2Kvisits/mo
1.3Mvisits/mo
1.1Kvisits/mo
201.9Kvisits/mo
MoM change
▼ 10.9%
▼ 8.5%
▲ 1,238.1%
▼ 10.4%
6-month growth
-9.3%
-46.4%
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-79.0%
Global rank web
#317,277
#36,124
#12,935,820
#216,868
Avg. last 3 months
163.4K
1.4M
402
252.8K
Bounce rate lower is better
45%
41%
38%
44%
Pages / visit
1.8
3.9
1.1
1.9
Visit duration
19s
2m 36s
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27s
Traffic sources
● Direct 81% · ● Referral 19%
● Direct 86% · ● Referral 9%
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● Direct 67% · ● Referral 32%
Mermaid ViewerNapkinWhiteboard by Athena AITenorshare AI Diagrimo
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$69.99per month · free tier available
$9per month · free tier available
$5.99per month · free tier available
$6.99per month · free tier available
Free tier
Free trial
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API access
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Plans
Free FreeStarter $69.99/yrPro $119.99/yr
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Free FreePlus Monthly $9.99/moPlus Annual $6.99/mo
Capabilities input → output
Input
CodeText
DataText
Text
Text
Output
CodeImages
DataImagesSlides
Images
Images
Skill level
Intermediate
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 2 shared · core partial
Tasks covered
6
7
9
5
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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Who it's for roles each tool is built for · 0 shared · primary also fits
Audience
5roles
8roles
4roles
5roles
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
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Saves
0
0
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0
Reviews
0
0
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Prompts
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.