ERBuilder vs Mermaid Viewer vs CodeViz vs Eraser

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

Your tool
ERBuilder
vs
Competitor 1
Mermaid Viewer
Competitor 2
CodeViz
Competitor 3
Eraser
Compare
4 tools · best value per row highlighted
Your tool 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.
Remove
Competitor Mermaid Viewer
mermaidviewer.com
Mermaid Viewer runs entirely in your browser
Make main Remove
Competitor CodeViz
codeviz.ai
The free tier caps you at five diagrams monthly and one repository
Make main Remove
Competitor Eraser
eraser.io
Eraser is an AI diagramming tool for technical and process teams that generates diagrams from text prompts, code, or uploaded files.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
5.4Kvisits/mo
143.2Kvisits/mo
3.4Kvisits/mo
—
MoM change
▼ 6.3%
▼ 10.9%
▼ 44.8%
—
6-month growth
-22.4%
-9.3%
+35.5%
—
Global rank web
#3,419,998
#317,277
#4,939,424
—
Avg. last 3 months
5.9K
163.4K
4.1K
—
Bounce rate lower is better
39%
45%
35%
—
Pages / visit
1.9
1.8
1.8
—
Visit duration
15s
19s
16s
—
Traffic sources
—
● Direct 81% · ● Referral 19%
—
—
ERBuilderMermaid ViewerCodeVizEraser
046.6K93.1K139.7K186.3KERBuilder · 10.9KERBuilder · 12.8KERBuilder · 16KERBuilder · 7KERBuilder · 8.8KERBuilder · 8.8KERBuilder · 6.4KERBuilder · 5.8KERBuilder · 5.4KMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KCodeViz · 4.2KCodeViz · 6.4KCodeViz · 2.7KCodeViz · 2.5KCodeViz · 6.3KCodeViz · 3.3KCodeViz · 2.5KCodeViz · 6.2KCodeViz · 3.4K1K10K100K1MERBuilder · 10.9KERBuilder · 12.8KERBuilder · 16KERBuilder · 7KERBuilder · 8.8KERBuilder · 8.8KERBuilder · 6.4KERBuilder · 5.8KERBuilder · 5.4KMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KCodeViz · 4.2KCodeViz · 6.4KCodeViz · 2.7KCodeViz · 2.5KCodeViz · 6.3KCodeViz · 3.3KCodeViz · 2.5KCodeViz · 6.2KCodeViz · 3.4KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free Trial
Freemium
Freemium
Freemium
Starting price
$139per month
$69.99per month · free tier available
$19per month · free tier available
$15per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
Plans
Professional (Subscription) $139/yrEnterprise (Subscription) $399/yrProfessional (Lifetime) $279Enterprise (Lifetime) $799
Free FreeStarter $69.99/yrPro $119.99/yr
Free FreePro $19/moTeams $50/moCustom $0
Free FreeStarter $15/moBusiness $45/moEnterprise Custom
Capabilities input → output
Input
Text
CodeText
CodeText
CodeDocumentsImagesText
Output
Data
CodeImages
Images
Images
Skill level
Intermediate
Intermediate
Intermediate
Intermediate
Categories
Productivity & OfficeAI Diagram Generator
Productivity & OfficeAI Diagram Generator
Development & CodeProductivity & OfficeAI Developer ToolsAI Diagram Generator
Productivity & OfficeAI Diagram Generator
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
5
6
8
10
Diagrams
Diagram assistance
Code diagramming
–
Architectural diagramming
–
–
Flowcharts
–
–
UML diagrams
–
–
Code visualization
–
–
–
Data modeling
–
–
–
Code documentation
–
–
–
Database design
–
–
–
Mermaid images
–
–
–
BPMN
–
–
–
BPMN diagrams
–
–
–
Cloud diagrams
–
–
–
Code reviews
–
–
–
Network diagrams
–
–
–
Onboarding tutorials
–
–
–
Schema generation
–
–
–
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
–
–
–
–

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.