Overview
Fly.io deploys your apps to servers around the world, close to users. Great for global apps requiring low latency. With a freemium pricing model, Fly.io offers a free tier that lets teams get started without commitment. The platform is particularly well-suited for global apps and edge computing, offering features tailored to their specific workflows.
When Fly.io may NOT be a good fit
Fly.io may not be the best choice for teams needing quick onboarding.
Key Features
Pros
- Global by default
- Great for latency
- Container-based
- Litefs for SQLite
Cons
- Learning curve
- Complex pricing
- Documentation gaps
Best For
Integrations
Pricing
- 3 shared VMs
- 160GB outbound
- Certificates
- More resources
- Dedicated support
- Advanced features
- Priority support
- SLA
- Advanced networking
Quick Stats
- Founded
- 2017
- HQ
- Chicago, IL
- Employees
- 50-100
How We Evaluate Fly.io
Our review process combines hands-on testing with comprehensive research to provide accurate, unbiased evaluations. Some links on this page may be affiliate links.
Pricing & Limits
Verified and compared
Docs Reviewed
Documentation quality checked
Integrations
Compatibility verified
User Feedback
Community reviews analyzed
Changelog
Recent updates tracked
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All comparisonsFrequently Asked Questions about Fly.io
What is Fly.io?
Fly.io deploys your apps to servers around the world, close to users. Great for global apps requiring low latency.
What is Fly.io used for?
Fly.io is primarily used for global apps, edge computing, real-time apps. It offers features like Global Edge, Fly Machines, Fly Postgres, Private Networks.
Who is Fly.io for?
Fly.io is best suited for Global Apps, Edge Computing, Real-time Apps, Databases at Edge. It's particularly popular among teams looking for global edge solutions.
What are the main features of Fly.io?
The main features of Fly.io include: Global Edge, Fly Machines, Fly Postgres, Private Networks, Volumes, GPUs.
Is Fly.io free?
Yes, Fly.io offers a free plan with basic features.
Does Fly.io offer a free trial?
Yes, Fly.io offers a freemium model, allowing you to try core features for free before upgrading.
How much does Fly.io cost?
Fly.io offers custom pricing. Contact their sales team for a quote tailored to your needs.
What are the pros of Fly.io?
Key advantages of Fly.io include: Global by default. Great for latency. Container-based. Litefs for SQLite.
What are the cons of Fly.io?
Some limitations of Fly.io include: Learning curve. Complex pricing. Documentation gaps.
What are the best alternatives to Fly.io?
Top alternatives to Fly.io include Render, Railway, Amazon Web Services, Microsoft Azure, DigitalOcean. Each offers similar functionality with different strengths.
What integrations does Fly.io support?
Fly.io integrates with Docker, PostgreSQL, Redis, GitHub Actions.
Is Fly.io good for small businesses?
Fly.io can be a good fit for small businesses, especially those needing global apps. Their free plan makes it accessible for budget-conscious teams.
Written by
Marcus RodriguezTechnical Writer & Developer Advocate
Full-stack developer focused on developer tools, APIs, and cloud infrastructure.