Windmill vs ROK Solution vs Stack AI vs Stepper
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Windmill
vs Windmill
Competitor 1
ROK Solution
ROK Solution
Competitor 2
Stack AI
Stack AI
Competitor 3
Stepper
StepperCompare
4 tools · best value per row highlighted
Your tool
Windmill
Windmill
windmill.dev
Windmill is an open-source, code-first orchestration platform for internal software.
Competitor
ROK Solution
ROK Solution
rok-solution.com
Organizations wrestling with strict compliance requirements and complex security mandates need ROK Solution
Competitor
Stepper
Stepper
stepper.io
Building automated workflows traditionally requires either coding skills or wrestling with complex visual builders
Traffic estimated monthly website traffic
Monthly visits
—
1.2Kvisits/mo
6.3Kvisits/mo
49.9Kvisits/mo
MoM change
—
▲ 4.3%
▼ 57.9%
▲ 34.2%
6-month growth
—
-35.5%
-93.7%
+519.2%
Global rank web
—
#12,872,025
#1,700,092
#677,321
Avg. last 3 months
—
1.2K
13.9K
38.1K
Bounce rate lower is better
—
38%
39%
40%
Pages / visit
—
2.2
1.8
2.0
Visit duration
—
48s
14s
47s
Traffic sources
—
—
—
—
WindmillROK SolutionStack AIStepper
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$120per month · free tier available
—
Free tier
$19per month · free tier available
Free tier
–
Free trial
–
–
API access
–
Plans
Free and Open-source (self-host) FreeEnterprise $120/mo
—
—
Free FreePro $19/moTeam Coming soon
Capabilities input → output
Input
Code
Text
DataDocumentsText
Text
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Intermediate
Intermediate
Categories
Tasks what each tool can do · 3 shared · core partial
Tasks covered
9
7
7
4
Workflows
Process automation
No-code
Agents
–
–
Business automation
–
–
Agent creation
–
–
Workflow deployment
–
–
Self hosted
–
–
–
APIs
–
–
–
Compliance management
–
–
–
Developer tools
–
–
–
Finance workflow automation
–
–
–
HR
–
–
–
Security compliance
–
–
–
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.