Retool vs Windmill: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Retool and Windmill side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Retool
Build internal tools, apps, and AI with drag-and-drop
Best for you if:
- • You want fast development
Windmill
Open-source developer platform for scripts
Best for you if:
- • You want open source workflow engine
| At a Glance | Retool | Windmill |
|---|---|---|
Starts at | Free plan, paid from $10/seat/mo, billed yearly Team plan | Free plan |
Category | App Builders No-Code | Internal Tools App Builders |
Rating | 4.6/5 G2 4.6 · Capterra 4.5 394 reviews | n/a |
Free plan | Yes | Yes |
Choose Retool or Windmill?
Choose Retool if
- You want fast development
- You want many integrations
- You work in app builders, not internal tools
Choose Windmill if
- You want open source workflow engine
- You want scripts and flows
- You work in internal tools, not app builders
In-Depth Analysis
Retool
Build internal tools, apps, and AI with drag-and-drop
Retool has a free plan, then Team at $10 per builder plus $5 per internal user a month billed annually, and Business at $50 per builder plus $15 per internal user.
Strengths
- Pro: Fast development
- Pro: Many integrations
- Pro: Powerful for internal tools
Weaknesses
- Con: Internal tools only
- Con: Can get expensive
Key features
Windmill
Open-source developer platform for scripts
Windmill's pricing is very generous, offering a fully functional self-hosted Free tier.
Strengths
- Pro: Open source workflow engine
- Pro: Scripts and flows
- Pro: Self-hostable
- Pro: Good UI
- Pro: Active development
Weaknesses
- Con: Learning curve
- Con: Documentation improving
- Con: Smaller community
- Con: Enterprise features limited
- Con: Setup complexity
Key features
Plans and prices: Retool vs Windmill
| Tool | Plans and prices | Source |
|---|---|---|
| Retool |
| retool.com/pricing read Oct 31, 2026 |
| Windmill | No plan prices on file | windmill.dev/pricing read Oct 20, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Retool pricing and Windmill pricing.
Key Takeaways
Retool
- Choose if you want build internal tools, apps, and AI with drag-and-drop
Windmill
- Choose if you want open-source developer platform for scripts
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Retool has a published user rating (4.6/5 from 394 reviews); Windmill has none we can show.
- Retool starts at $10/seat/mo, billed yearly; Windmill has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Retool and Windmill compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Retool has a published user rating (4.6/5 from 394 reviews); Windmill has none we can show. Retool starts at $10/seat/mo, billed yearly; Windmill has no public paid plan price on file. Both have a free plan.
What are Retool and Windmill used for?
Retool: Build internal tools, apps, and AI with drag-and-drop. Windmill: Open-source developer platform for scripts.
What does Retool cost vs Windmill?
Retool's cheapest paid plan is Team at $10/seat/mo, billed yearly; it also has a free plan. Windmill has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 31, 2026.
What's the main difference between Retool and Windmill?
Retool's main strength: fast development. Windmill's main strength: open source workflow engine.