Fly.iovsRailway
Score Comparison
Signals Comparison
Fly.io
- Frequent reliability and uptime issues(9/10)
- Postgres database outages and crashes(9/10)
- Deployment failures and hangs(7/10)
- Infrastructure changes break deployments(8/10)
- Apps and databases deleted without warning(10/10)
Railway
- Recurring downtime and outages(9/10)
- Services stop responding, require redeployment(8/10)
- GitHub auto-deploy suddenly stops working(5/10)
Fly.io
- Pricing surprises and unexpected charges(8/10)
- Aggressive billing with no alerts(8/10)
- Free tier confusion and removal(6/10)
Railway
- Free tier removed, only $5 trial credits(8/10)
- Unpredictable usage-based billing(8/10)
- Egress charges dominate bills for media apps(7/10)
Fly.io
- Steep learning curve and complexity(6/10)
Railway
No signals
Fly.io
- Limited plug-and-play services(6/10)
Railway
- No built-in background job support(6/10)
- No BYOC (Bring Your Own Cloud) support(6/10)
Fly.io
- Support tickets go weeks without response(6/10)
Railway
- Slow customer support response times(7/10)
Fly.io
No signals
Railway
- Slow and hanging deployments(7/10)
Fly.io
No signals
Railway
- PostgreSQL connection issues(6/10)
Fly.io
No signals
Railway
- No built-in edge protection or WAF(6/10)
Pricing Comparison
Fly.io
Users: 1 user
Storage: 3GB
Limits: Community support only, No billing alerts, Free allowances don't cap bills
Users: Unlimited
Storage: Usage-based
Limits: No priority support, No SLA, Complex pricing to predict
Users: Per org
Storage: Usage-based
Limits: Usage costs can still spiral unexpectedly
Users: Custom
Storage: Custom
Limits: Must negotiate pricing, Long contract terms typical
Railway
Users: 1 user
Storage: 1GB RAM limit
Limits: 1GB RAM limit, Shared vCPU, Credits expire in 30 days, No guaranteed support
Users: 1 user
Storage: Usage-based
Limits: Community support only, No SLA, No team features, No RBAC
Users: Per seat
Storage: Usage-based
Limits: Support response up to 72 hours, No dedicated infrastructure
Users: Unlimited
Storage: Custom
Limits: Requires sales engagement, Long contract terms typical
Feature Comparison
| Feature | Fly.io | Railway |
|---|---|---|
| Performance | ||
| Global edge deployment 35+ regions | ||
| Auto-scaling | ||
| Deployment | ||
| GitHub auto-deploy | ||
| Infrastructure | ||
| Firecracker micro-VMs | ||
| BYOC (Bring Your Own Cloud) Not supported | ||
| Databases | ||
| Managed PostgreSQL | ||
| Managed Redis | ||
| Managed Postgres Reliability issues reported | ||
| Pricing | ||
| Per-second billing | ||
| Billing alerts Not supported | ||
| Networking | ||
| Private networking WireGuard | ||
| Custom domains | ||
| Security | ||
| SSL certificates Automatic | ||
| Built-in WAF/DDoS protection Must use external service | ||
| Features | ||
| GPU support For ML workloads | ||
| Background jobs Requires separate service | ||
| Built-in queues/workers Manual setup required | ||
| Configuration | ||
| Environment variables | ||