CodeViz vs Mermaid Viewer vs ERBuilder vs Supadev

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

Your tool
CodeViz
vs
Competitor 1
Mermaid Viewer
Competitor 2
ERBuilder
Competitor 3
Supadev
Compare
4 tools · best value per row highlighted
Your tool CodeViz
codeviz.ai
The free tier caps you at five diagrams monthly and one repository
Remove
Competitor Mermaid Viewer
mermaidviewer.com
Mermaid Viewer runs entirely in your browser
Make main Remove
Competitor ERBuilder
soft-builder.com
ERBuilder is a data modeling application from Softbuilder, and its generative AI feature turns plain-language descriptions into entity-relationship diagrams.
Make main Remove
Competitor Supadev
supadev.so
Ever notice how AI coding assistants sometimes generate code that's completely wrong for your project
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
3.4Kvisits/mo
143.2Kvisits/mo
5.4Kvisits/mo
3.9Kvisits/mo
MoM change
▼ 44.8%
▼ 10.9%
▼ 6.3%
▲ 177.8%
6-month growth
+35.5%
-9.3%
-22.4%
—
Global rank web
#4,939,424
#317,277
#3,419,998
#4,727,095
Avg. last 3 months
4.1K
163.4K
5.9K
2.2K
Bounce rate lower is better
35%
45%
39%
56%
Pages / visit
1.8
1.8
1.9
1.3
Visit duration
16s
19s
15s
5s
Traffic sources
—
● Direct 81% · ● Referral 19%
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—
CodeVizMermaid ViewerERBuilderSupadev
046.6K93.1K139.7K186.3KCodeViz · 4.2KCodeViz · 6.4KCodeViz · 2.7KCodeViz · 2.5KCodeViz · 6.3KCodeViz · 3.3KCodeViz · 2.5KCodeViz · 6.2KCodeViz · 3.4KMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KERBuilder · 10.9KERBuilder · 12.8KERBuilder · 16KERBuilder · 7KERBuilder · 8.8KERBuilder · 8.8KERBuilder · 6.4KERBuilder · 5.8KERBuilder · 5.4KSupadev · 941Supadev · 351Supadev · 1.2KSupadev · 1.4KSupadev · 3.9K1001K10K100K1MCodeViz · 4.2KCodeViz · 6.4KCodeViz · 2.7KCodeViz · 2.5KCodeViz · 6.3KCodeViz · 3.3KCodeViz · 2.5KCodeViz · 6.2KCodeViz · 3.4KMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KERBuilder · 10.9KERBuilder · 12.8KERBuilder · 16KERBuilder · 7KERBuilder · 8.8KERBuilder · 8.8KERBuilder · 6.4KERBuilder · 5.8KERBuilder · 5.4KSupadev · 941Supadev · 351Supadev · 1.2KSupadev · 1.4KSupadev · 3.9KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Free Trial
Paid
Starting price
$19per month · free tier available
$69.99per month · free tier available
$139per month
$12per month
Free tier
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Free trial
–
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API access
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–
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Plans
Free FreePro $19/moTeams $50/moCustom $0
Free FreeStarter $69.99/yrPro $119.99/yr
Professional (Subscription) $139/yrEnterprise (Subscription) $399/yrProfessional (Lifetime) $279Enterprise (Lifetime) $799
Professional Monthly $30/moProfessional Yearly $12/mo
Capabilities input → output
Input
CodeText
CodeText
Text
Text
Output
Images
CodeImages
Data
Documents
Skill level
Intermediate
Intermediate
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI Developer ToolsAI Diagram Generator
Productivity & OfficeAI Diagram Generator
Productivity & OfficeAI Diagram Generator
Development & CodeProductivity & OfficeAI Developer ToolsAI Documents Generator
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
6
5
5
Diagrams
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Diagram assistance
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Code diagramming
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Code documentation
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Architectural diagramming
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Code visualization
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Data modeling
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Database design
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Developer tools
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Flowcharts
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Mermaid images
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Project specifications
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Technical documentation
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Code reviews
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Documents
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Onboarding tutorials
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Schema generation
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–
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UML diagrams
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
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.