Railway vs Fly.io
A side-by-side, data-driven comparison of Railway and Fly.io — pricing, free tiers and capabilities.
Railway optimizes for the fastest possible deploy with a canvas UI; Fly optimizes for control over where your containers run — both usage-based, but Railway is easier to start and Fly is more powerful for multi-region.
At a glance
- At a medium always-on instance, Railway is ~$40.52/mo vs Fly.io ~$10.7/mo — Fly.io is the cheaper estimate.
Specs side by side
Estimated cost
Estimated monthly cost of a single always-on service — estimates, not quotes. Try the calculator for your own traffic. “—” means no verified price for that tier.
| Railway | Fly.io | |
|---|---|---|
| Small (~0.5 vCPU / 512MB–1GB) | $20.26 | $5.7 (lower) |
| Medium (~1 vCPU / 2GB) | $40.52 | $10.7 (lower) |
| Large (~2 vCPU / 4GB) | $81.03 | $21.4 (lower) |
| Egress ($/GB) | $0.05 | $0.02 (lower) |
Pros & cons
Our editorial assessment — not vendor-stated facts. Last reviewed 2026-07-16.
Railway
Pros
- Fast, low-configuration deploys that avoid Kubernetes and infrastructure-as-code for common workloads
- App, databases, networking, and environment config managed in a single UI
- Usage-based billing charges for resources actually consumed rather than fixed instance sizes
- Built-in preview environments and collaboration features suit small teams
Cons
- Consumption-based pricing can be hard to predict and may spike under bursty or unexpected traffic
- No built-in CDN or edge network, so globally distributed or latency-sensitive static delivery needs a separate CDN layer
- Access controls are relatively coarse, which can limit larger orgs needing granular per-service or per-environment permissions
- Publicized outages and degraded-performance incidents through 2025-2026 (Railway publishes post-incident reports) — check its current status before committing
Fly.io
Pros
- Runs full Docker containers globally, not just functions, so it fits stateful and long-running apps
- CLI- and config-driven workflow makes provisioning multi-region deployments straightforward
- Usage-based billing charged per second, with no required monthly plan commitment
- Places compute close to users, which suits latency-sensitive applications
- Includes stateful primitives (volumes, managed Postgres, private networking) that many edge/PaaS platforms lack
Cons
- Has had publicized reliability incidents in recent years (some community reports attribute past outages to internal service-discovery systems); check Fly's status page and recent incident history before committing
- Uptime SLA is offered only to Enterprise-plan customers; standard pay-as-you-go usage carries no contractual uptime guarantee
- Billing can be hard to predict once you scale across instances and regions, and some users report unexpected charges
- CLI- and config-first, region-centric model has a steeper learning curve than conventional click-to-deploy PaaS
Bottom line
Pick Railway for indie devs who want fast, pay-for-what-you-use deploys. Pick Fly.io for latency-sensitive apps that need multi-region by default.
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Frequently asked questions
- What is the difference between Railway and Fly.io?
- Railway: Deploy apps, databases and services from a canvas UI or CLI with usage-based pricing; popular with indie devs for its developer experience. Fly.io: Runs full-stack apps and Docker containers as lightweight VMs in many regions, with a focus on low-latency, globally-distributed deployments.
- Is Railway or Fly.io cheaper?
- For a medium always-on instance, Railway is about $40.52/mo and Fly.io about $10.7/mo, so Fly.io is the cheaper estimate. Actual cost depends on your usage — try the calculator.
- Does Railway have a free tier?
- No.
- Does Fly.io have a free tier?
- No.
More Railway alternatives · More Fly.io alternatives · Compare all platforms