Fly.io vs Supabase
Both sit in developer tools. Here is how they differ on the things you can actually check.
On price: Fly.io starts $23.06 a month cheaper than Supabase ($1.94 against $25, 92% less) on its shared-cpu-1x · 256MB tier. Both figures were read from the vendors' own pricing pages on the dates shown below.
Fly.io
fly.io
Runs containers on hardware in many regions, close to users. Now led by Sprites — hardware-isolated Linux VMs built for AI agents, with checkpointing and persistent filesystems — alongside the original app hosting, volumes and managed Postgres.
Supabase
supabase.com
Managed Postgres with instant APIs, authentication, storage, realtime subscriptions and edge functions. The open alternative to Firebase.
| Fly.io | Supabase | |
|---|---|---|
| Entry price | $1.94/mo | $25/mo |
| Entry plan | shared-cpu-1x · 256MB | Pro |
| Paid annually | — | — |
| Price checked | 21 Sept 2026 | 21 Sept 2026 |
| Pricing model | Paid | Free plan |
| Free plan | No | Yes |
| Category | Developer Tools | Developer Tools |
| Around since | 2017 | 2020 |
Every price here was read from the vendor's own pricing page, most recently on 21 Sept 2026. Entry tier only — vendors change pricing without notice.
Fly.io vs Supabase, answered
- Is Fly.io cheaper than Supabase?
- Yes. Fly.io starts at $1.94 a month against Supabase's $25, 92% less.
- Do Fly.io or Supabase have a free plan?
- Supabase publishes an ongoing free plan; Fly.io does not.
- What is the difference between Fly.io and Supabase?
- Fly.io: Runs containers on hardware in many regions, close to users. Now led by Sprites — hardware-isolated Linux VMs built for AI agents, with checkpointing and persistent filesystems — alongside the original app hosting, volumes and managed Postgres. Supabase: Managed Postgres with instant APIs, authentication, storage, realtime subscriptions and edge functions. The open alternative to Firebase.
