DevVersus

Zapier vs Windmill(2026)

Zapier is better for teams that need largest integration catalog. Windmill is the stronger choice if excellent for internal tooling. Zapier is freemium (from $19.99/mo) and Windmill is open-source (from $0).

Full feature breakdown, pricing details, and pros & cons below.

Affiliate disclosure: Some “Visit” links on this page are affiliate links. We may earn a commission if you sign up — at no extra cost to you. It does not affect our rankings or editorial coverage. Learn more.

Zapier logo

Zapier

freemium

Zapier connects your apps and automates repetitive tasks with multi-step workflows called Zaps. With 6,000+ integrations, it is the go-to no-code automation platform for business teams.

Starting at $19.99/mo

Visit Zapier
Windmill logo

Windmill

open-source

Windmill is an open-source developer platform to build internal tools, workflows, and scripts. Write scripts in Python/TypeScript, chain them visually, and share with your team.

Starting at $0

Visit Windmill

How Do Zapier and Windmill Compare on Features?

FeatureZapierWindmill
Pricing modelfreemiumopen-source
Starting price$19.99/mo$0
6,000+ app integrations
Multi-step Zaps
Conditional logic (Filters/Paths)
Built-in storage (Tables)
AI actions
Webhooks
Scheduled triggers
Open source
Script editor (Python/TS/Go/Bash)
Visual flow builder
Auto-generated UIs
Job queuing
Secret management
Self-hostable

Zapier Pros and Cons vs Windmill

Z

Zapier

+Largest integration catalog
+No-code friendly
+Reliable execution
+Excellent documentation
Expensive at scale
Task-based pricing adds up
Limited data transformation
W

Windmill

+Excellent for internal tooling
+Auto-generates UIs from scripts
+Free self-hosted
+Very active development
Steeper learning curve
Less focus on SaaS integrations
Smaller integration catalog

Should You Use Zapier or Windmill?

Choose Zapier if…

  • Largest integration catalog
  • No-code friendly
  • Reliable execution

Choose Windmill if…

  • Excellent for internal tooling
  • Auto-generates UIs from scripts
  • Free self-hosted

More Workflow Automation Comparisons