Chartai vs CodeViz vs Napkin vs Whiteboard by Athena AI

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

Your tool
Chartai
vs
Competitor 1
CodeViz
Competitor 2
Napkin
Competitor 3
WBWhiteboard by Athena AI
Compare
4 tools · best value per row highlighted
Your tool Chartai
chartai.io
You land on Chartai and see a grid of quick start templates spanning eleven different visualization types
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Competitor CodeViz
codeviz.ai
The free tier caps you at five diagrams monthly and one repository
Make main Remove
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.
Make main Remove
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
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
31.5Kvisits/mo
3.4Kvisits/mo
1.3Mvisits/mo
1.1Kvisits/mo
MoM change
▲ 14.1%
▼ 44.8%
▼ 8.5%
▲ 1,238.1%
6-month growth
+11.0%
+35.5%
-46.4%
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Global rank web
#1,121,782
#4,939,424
#36,124
#12,935,820
Avg. last 3 months
31.2K
4.1K
1.4M
402
Bounce rate lower is better
40%
35%
41%
38%
Pages / visit
1.7
1.8
3.9
1.1
Visit duration
22s
16s
2m 36s
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Traffic sources
● Direct 87% · ● Referral 13%
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● Direct 86% · ● Referral 9%
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ChartaiCodeVizNapkinWhiteboard by Athena AI
0831.2K1.7M2.5M3.3MChartai · 25.4KChartai · 29.6KChartai · 26KChartai · 28.4KChartai · 27.5KChartai · 29.5KChartai · 34.5KChartai · 27.6KChartai · 31.5KCodeViz · 4.2KCodeViz · 6.4KCodeViz · 2.7KCodeViz · 2.5KCodeViz · 6.3KCodeViz · 3.3KCodeViz · 2.5KCodeViz · 6.2KCodeViz · 3.4KNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3MWhiteboard by Athena AI · 98Whiteboard by Athena AI · 174Whiteboard by Athena AI · 78Whiteboard by Athena AI · 84Whiteboard by Athena AI · 1.1K101001K10K100K1M10MChartai · 25.4KChartai · 29.6KChartai · 26KChartai · 28.4KChartai · 27.5KChartai · 29.5KChartai · 34.5KChartai · 27.6KChartai · 31.5KCodeViz · 4.2KCodeViz · 6.4KCodeViz · 2.7KCodeViz · 2.5KCodeViz · 6.3KCodeViz · 3.3KCodeViz · 2.5KCodeViz · 6.2KCodeViz · 3.4KNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3MWhiteboard by Athena AI · 98Whiteboard by Athena AI · 174Whiteboard by Athena AI · 78Whiteboard by Athena AI · 84Whiteboard by Athena AI · 1.1KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$5per month · free tier available
$19per month · free tier available
$9per month · free tier available
$5.99per month · free tier available
Free tier
Free trial
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API access
–
–
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Plans
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Free FreePro $19/moTeams $50/moCustom $0
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Capabilities input → output
Input
CodeDataText
CodeText
DataText
Text
Output
DataImages
Images
DataImagesSlides
Images
Skill level
Beginner-friendly
Intermediate
Beginner-friendly
Beginner-friendly
Categories
Productivity & OfficeAI ChartingAI Diagram Generator
Development & CodeProductivity & OfficeAI Developer ToolsAI Diagram Generator
Design & CreativeProductivity & OfficeAI ChartingAI Diagram Generator+3 more
Design & CreativeProductivity & OfficeAI Diagram GeneratorAI Mind Mapping+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
8
8
7
9
Diagrams
Flowcharts
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Mind maps
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Charts
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Data charts
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Infographics
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Diagram assistance
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Architectural diagramming
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Code diagramming
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Code visualization
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Gantt charts
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Code documentation
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Wireframes
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Code reviews
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Collaborative design
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Google meet assistance
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Onboarding tutorials
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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
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Reviews
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.