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Dev Tools

Fly.io vs Windmill: Pricing Comparison 2026

Side-by-side pricing comparison of Fly.io and Windmill. See all plans, features, and costs at a glance.

Bottom line: Fly.io starts at Custom pricing and Windmill starts at $1/mo. Compare all 5 pricing tiers side by side.

Last updated: July 6, 2026

Data compiled by Arthur Jacquemin
Updated July 6, 2026
Try Fly.io freeTry Windmill freePrice updated 11d agoPrice updated 11d ago
Best Value

Windmill - Windmill offers a free plan.

Fly.io vs Windmill: Quick Pricing Facts

FeatureFly.ioWindmill
Starting PriceCustom pricing$1/mo
Number of Plans32
Free TierNoYes
Pricing Modelusage-basedopen-source
Annual DiscountN/AN/A

Fly.io and Windmill are both priced at Custom pricing, making them equally accessible Dev Tools. Together they offer 5 pricing plans with 0 features compared, so the best choice comes down to which features match your needs.

Windmill stands out with a free plan for getting started. Fly.io uses usage-based pricing while Windmill uses open-source pricing, which may affect your total cost at scale.

Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Dev Tools needs.

Pricing Plans
Fly.io
Fly.io
Try free
Windmill
Windmill
Try free
Tier 1
Enterprise-Ready
Custom pricing
Start with Enterprise-Ready
developer
$1/monthCheapest
Start with developer
Tier 2
Compliance Made Easy
Custom pricing
Start with Compliance Made Easy
operator or ext JWT token
$0/monthCheapest
Start with operator or ext JWT token
Tier 3
Are on the House
Custom pricing
Start with Are on the House
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Fly.io

Global app deployment platform running close to users

View all Fly.io plans

Windmill

Open-source developer platform for scripts, flows, and UIs

View all Windmill plans

What Reviewers Say

Frequently Asked Questions: Fly.io vs Windmill

How many pricing plans does Fly.io have vs Windmill?
Fly.io offers 3 pricing plans, while Windmill offers 2 plans. More plans typically means more flexibility to match your exact needs and budget.
Does Fly.io or Windmill offer a free plan?
Windmill offers a free plan, while Fly.io does not. If budget is a concern, Windmill lets you get started at no cost.
Does Fly.io or Windmill offer custom enterprise pricing?
Fly.io offers a custom-priced enterprise tier for larger teams. Windmill lists all its pricing publicly.
What pricing models do Fly.io and Windmill use?
Fly.io uses a usage-based pricing model, while Windmill uses open-source pricing. The right model depends on your team size and usage patterns.
How do Fly.io and Windmill compare for Dev Tools?
Both Fly.io and Windmill are Dev Tools. Fly.io offers 3 plans starting at Custom pricing, while Windmill offers 2 plans starting at $1/mo. Review the feature breakdowns above to see which better fits your Dev Tools needs.
AI Recommendations

Sources

  1. Fly.io Official Pricing- Vendor pricing page
  2. Windmill Official Pricing- Vendor pricing page

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