Deno Deploy vs Fly.io
Side-by-side comparison of features, pricing, ratings, and alternatives.
Deno Deploy is a globally distributed serverless platform that runs JavaScript and TypeScript at the edge on the Deno runtime. It allows developers to deploy and manage applications without worrying about the underlying infrastructure. With Deno Deploy, developers can focus on writing code and delivering value to their users, while the platform handles the rest.
Fly.io is a platform that lets developers run full-stack applications and databases on a worldwide network of edge locations. It abstracts infrastructure so you can focus on code while your services run close to users for faster response times.
- Serverless architecture reduces costs and improves scalability
- Edge computing reduces latency and improves user experience
- Deno runtime provides improved security and performance
- Free tier available to get started
- Generous free tier with simple CLI deployment
- Automatic TLS and built-in scaling
- Global deployment and edge locations for faster response times
- Ideal for startups, hobby projects, and production workloads
- Limited control over underlying infrastructure
- May require additional setup for complex applications
- Limited support for non-JavaScript and non-TypeScript languages
- Limited control over underlying infrastructure
- May require additional setup for complex applications
- Dependent on Fly.io's network and infrastructure
More alternatives & similar tools
Alternatives to Deno Deploy
View all →
Alternatives to Fly.io
View all →
The Verdict
AI-generated from listing dataBoth offer free‑tier, edge‑based serverless hosting, but Deno Deploy focuses on JavaScript/TypeScript with a higher SLA, while Fly.io provides broader language/database support and more global regions.
Key differences
- •Language/runtime support: Deno Deploy is limited to JavaScript/TypeScript; Fly.io runs full‑stack apps and databases (unspecified languages).
- •Uptime SLA: Deno Deploy guarantees 99.99%; Fly.io only lists 99.9% for enterprise plans.
- •Geographic coverage: Deno Deploy offers US, EU, APAC; Fly.io adds Australia, South America and more locations.
- •Feature scope: Fly.io includes built‑in database hosting; Deno Deploy does not mention databases.
- •Developer tooling: Deno Deploy integrates with Deno ecosystem; Fly.io emphasizes a simple CLI and automatic TLS.
Pricing & value
Both provide a freemium tier and charge only for usage beyond free limits; no price details given.
Uptime & reliability
Deno Deploy promises a 99.99% SLA, higher than Fly.io's 99.9% (enterprise only).
Performance
Both use edge networks; Deno Deploy highlights Deno runtime security/performance improvements.
Developer experience
Fly.io offers a simple CLI, automatic TLS, and full‑stack support; Deno Deploy is tied to Deno tools only.
Regions & compliance
Fly.io lists five continents (North America, Europe, Asia, Australia, South America); Deno Deploy lists only US, EU, APAC.
Support
Neither product description provides specific support level details.
Lock‑in
Both abstract infrastructure; no information on data export or vendor lock‑in.
Choose Deno Deploy if…
JS/TS teams needing highest SLA and simple edge deployment.
Choose Fly.io if…
Projects requiring broader language/database support and widest global footprint.
Common questions
Which platform offers a higher uptime guarantee?
Deno Deploy guarantees 99.99% SLA; Fly.io lists 99.9% SLA for enterprise plans only.
Can I run a database on these services?
Fly.io explicitly supports databases; Deno Deploy’s features do not mention database hosting.
What regions are available for deployment?
Deno Deploy: US, EU, APAC. Fly.io: North America, Europe, Asia, Australia, South America.