Fly.io vs Resend: what each really costs
Team size
Billing
Fly.io
No plan for this billing option
No paid plan to compare for this billing option.
Resend
No plan for this billing option
No paid plan to compare for this billing option.
| 10 people | Fly.io | Resend |
|---|---|---|
| Entry paid plan | No plan for this billing option | No plan for this billing option |
| Vendor price | ||
| Monthly cost | ||
| Annual cost | ||
| Per user / year | ||
| Billing commitment | Not recorded | Not recorded |
| Minimum seats | None stated | None stated |
| Free plan | No free plan listed | Yes |
| Free trial | Not stated | Not stated |
Calculated by SpecEntry from official vendor prices. Taxes and optional add-ons are not included. Open each product page for every plan and the official source.
Fly.io vs Resend: features
Key features as each vendor lists them. A feature missing from a list does not mean the product lacks it.
Fly.io
- Fly MachinesHardware-virtualized containers that launch instantly and run on demand.
- Isolated sandboxesHardware-isolated sandboxes for running untrusted or AI-generated code.
- Sprites environmentsEach Sprite is a self-contained environment ready in under a second.
- Checkpoint and restoreCheckpoint an entire environment and restore it after breaking changes.
- NVMe and object storageLocal NVMe for low latency plus global durable object storage.
- Agent-ready CLIs and MCPCLIs and MCP servers designed to be driven by AI agents.
- KVM hardware isolationApps run KVM hardware-isolated on Fly.io's own hardware.
Source:fly.io ·
Resend
- WebhooksSends real-time event notifications to your server.
- Test modeSimulate events and test the API without emailing real people.
- Audience importImports contact lists of any size.
- Broadcast analyticsShows how the audience interacts with broadcast emails.
- DNS monitoringMonitors DNS configuration for errors or regressions.
- Regional sendingSends emails from the region closest to users.
- Visual email editorBuild emails visually and add custom styles.
Source:resend.com ·
Fly.io vs Resend pricing questions
How much do Fly.io and Resend cost?
Fly.io paid plans start at $2.19 per month ($0.0030/hr), billed per second (Machine shared-cpu-1x 256MB). Resend paid plans start at $20 per month, 50,000 emails (Pro).
Is Fly.io or Resend cheaper for 5 users?
Resend is cheaper for 5 users: $240 per year on Pro, against $348 per year for Fly.io on Standard support. That is $108 less per year, before tax.
Is Fly.io or Resend cheaper for 10 users?
Resend is cheaper for 10 users: $240 per year on Pro, against $348 per year for Fly.io on Standard support. That is $108 less per year, before tax.
Is Fly.io or Resend cheaper for 25 users?
Resend is cheaper for 25 users: $240 per year on Pro, against $348 per year for Fly.io on Standard support. That is $108 less per year, before tax.
Do Fly.io and Resend have a free plan?
Resend lists a free plan; Fly.io does not list one on its official pricing.