Fly.io Review 2026
by Fly.io Inc.
Deploy full-stack apps close to users on a global VM platform.
Starting Price
Free
Pricing Model
usage-based
Free Tier
Yes
Category
Hosting Platforms
Overview
Fly.io runs Docker containers as micro-VMs on bare metal across 30+ regions, routing users to the nearest healthy instance automatically. It excels at latency-sensitive apps and supports persistent volumes and Postgres.
Pros
- ✓Run any Docker container globally
- ✓Fast anycast routing to nearest region
- ✓Persistent volumes and managed Postgres
Cons
- ✗Steeper learning curve than Railway/Render
- ✗CLI-first — less visual UI
- ✗Cold starts on scaled-to-zero apps
Key Features
- Global VM deployment
- Anycast routing
- Persistent volumes
- Managed Postgres
- Private networking
Pricing
Free allowance (~$5 worth of resources/mo). Pay-as-you-go beyond that.
Check current pricing on Fly.io →Who is Fly.io for?
Backend developers who want full-VM control with global distribution
Frequently Asked Questions
Is Fly.io free?
Yes, Fly.io offers a free tier. Paid plans start at $0/mo.
How much does Fly.io cost?
Fly.io starts at $0/mo, with a free tier available. Free allowance (~$5 worth of resources/mo). Pay-as-you-go beyond that.
What is Fly.io used for?
Deploy full-stack apps close to users on a global VM platform. Backend developers who want full-VM control with global distribution
Is Fly.io worth it?
Fly.io's main strengths are run any docker container globally and fast anycast routing to nearest region. The main drawback is steeper learning curve than railway/render.
What are the best alternatives to Fly.io?
There are several strong alternatives to Fly.io in the Developer Tools category. See our full comparison on the Fly.io alternatives page for a ranked list.