Relay.app vs Windmill vs Stack AI vs Komos - AI Browser Automation | RPA
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Relay.app
vs Relay.app
Competitor 1
Windmill
Windmill
Competitor 2
Stack AI
Stack AI
Competitor 3
Komos - AI Browser Automation | RPA
Komos - AI Browser Automation | RPACompare
4 tools · best value per row highlighted
Your tool
Relay.app
Relay.app
relay.app
Relay.app is a platform to create AI Agents that work for you across Gmail, Notion, Salesforce, HubSpot, and 100+ other apps.
Agents created in Relay.app are *actually* useful, as they're easy to cre
Competitor
Windmill
Windmill
windmill.dev
Windmill is an open-source, code-first orchestration platform for internal software.
Competitor
Komos - AI Browser Automation | RPA
Komos - AI Browser Automation | RPA
komos.ai
Komos is a Robotic Process Automation (RPA) tool that uses computer vision AI to automate browser-related actions. The platform can be trained through a brief walkthrough, creating a deterministic and
Traffic estimated monthly website traffic
Monthly visits
158.1Kvisits/mo
—
6.3Kvisits/mo
2.4Kvisits/mo
MoM change
▼ 32.7%
—
▼ 57.9%
▲ 59.2%
6-month growth
-30.9%
—
-93.7%
+98.0%
Global rank web
#182,862
—
#1,700,092
#8,284,139
Avg. last 3 months
187.1K
—
13.9K
1.5K
Bounce rate lower is better
38%
—
39%
31%
Pages / visit
2.8
—
1.8
1.2
Visit duration
1m 15s
—
14s
—
Traffic sources
● Direct 93% · ● Referral 4%
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—
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Relay.appWindmillStack AIKomos - AI Browser Automation | RPA
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$19per month · free tier available
$120per month · free tier available
Free tier
$20per month · free tier available
Free tier
Free trial
–
–
API access
–
–
Plans
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Free and Open-source (self-host) FreeEnterprise $120/mo
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—
Capabilities input → output
Input
Text
Code
DataDocumentsText
DataVideo
Output
Apps
Apps
Apps
AppsData
Skill level
Advanced
Advanced
Intermediate
Intermediate
Categories
Tasks what each tool can do · 3 shared · core partial
Tasks covered
6
9
7
4
Workflows
Agents
Process automation
Agent creation
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No-code
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Business automation
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Automation
–
–
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Self hosted
–
–
–
APIs
–
–
–
Developer tools
–
–
–
Finance workflow automation
–
–
–
Workflow deployment
–
–
–
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.