Comparison

Fly.io vs Railway: which app deployment platform wins in 2026?

Fly.io wins on global edge deployment, persistent volumes, and cost at scale. Railway wins on developer experience and zero-config deploys. Pick Fly for global low-latency apps, Railway for fast iteration and side projects.

At a glance

DimensionFly.ioRailway
Deploy modelGlobal edge VMs (Firecracker)WINRegion-pinned containers
Developer experienceCLI-first, Dockerfile requiredZero-config GitHub deployWIN
Cold startFast (suspend/resume)WINSlower
Persistent volumesFirst-classWINLimited
DatabasesPostgres + Upstash + LiteFSPostgres + MySQL + Redis
Free tierGenerousWIN$5 trial credit
Pricing modelPer-second VM + bandwidthPer-second container + bandwidth
Global edge30+ regions, auto-routeWINSingle region per service
Best forGlobal apps, persistent state, multi-regionSide projects, fast iteration

Verdict

Fly.io is the right pick for global low-latency apps, persistent state, and multi-region deployments. Railway is the right pick for fast iteration, side projects, and zero-config deploys from GitHub. Both are heroku-replacements; Fly is more powerful + complex, Railway is simpler + more opinionated.

When to pick which

Pick Fly.io

Global apps, persistent volumes, multi-region, cost at scale.

Pick Railway

Side projects, zero-config GitHub deploys, fast iteration.

FAQ

Fly or Railway for side projects?

Railway — zero-config GitHub deploy beats Fly's Dockerfile requirement for fast iteration.

Fly or Railway for production?

Fly — global edge, persistent volumes, multi-region deploy, lower cost at scale.

Cheapest of the two?

Fly.io at scale; Railway has a usable $5 trial credit for prototypes.

Last updated: 2026-06-01.