Fly.io vs Supabase
Side-by-side comparison to help you pick the right tool.
| Fly.io | Supabase | |
|---|---|---|
| Tagline | Run Docker containers close to your users, globally. | Open-source Firebase alternative built on Postgres. |
| Category | Hosting Infrastructure | Hosting Infrastructure |
| Pricing | Freemium | Freemium |
| Skill Level | Developer | Developer |
| Platforms | Api Headless | Web, Browser, Api Headless |
| Use Cases | Solo Indie, Side Project, Small Team | Side Project, Solo Indie, Small Team |
| Traits | Has Free Tier, Good Api, Active Development | Has Free Tier, Self Hostable, Good Api, Active Development, Open Source |
| Best For | Best for developers who want globally distributed deployments without the complexity of managing cloud infrastructure. | Best for developers who want a complete backend-as-a-service on Postgres without building auth and APIs from scratch. |
Fly.io
Fly.io is a cloud platform that deploys Docker containers to edge servers in 35+ regions globally, providing low-latency applications close to users without requiring Kubernetes knowledge. It scales to zero when idle, cutting costs for low-traffic applications, and starts quickly when traffic arrives. Managed Postgres and Redis databases are available as Fly apps on the same private network as your application. The CLI-driven workflow means deployment is as simple as running fly deploy from your project directory. Fly.io is favoured by developers who want globally distributed backend services and APIs without the complexity of managing multi-region cloud infrastructure on AWS or GCP.
View detailsSupabase
Supabase is an open-source Firebase alternative built on PostgreSQL, available as a managed cloud service or self-hosted via Docker. It provides a fully managed Postgres database, authentication with multiple OAuth providers, auto-generated REST and GraphQL APIs, edge functions (Deno), real-time subscriptions, and file storage — all accessible from a clean dashboard or via client libraries for JavaScript, Python, and other languages. The free tier includes two projects with 500 MB database storage. Supabase is widely used by indie developers and startups who want a complete backend-as-a-service without vendor lock-in to a proprietary database, and who need auth and storage without building those layers from scratch.
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