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Head-to-head · Edge Hosting

Fly.io vs Deno Deploy

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Fly.io #3 in Edge Hosting 9.0/10 7-day trial Free trial✓ 0 of 4 features Visit Fly.io
Deno Deploy #7 in Edge Hosting 8.5/10 Free plan Free plan✓ 0 of 4 features Visit Deno Deploy

Fly.io leads on 1 check, Deno Deploy on 1, and 0 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFly.io · 9.0/10
  • Lowest starting priceFly.io · $1.94/device/mo
  • Free planonly Deno Deploy
  • Free trialonly Fly.io

Fly.io scores higher on our rubric for edge hosting: 9.0 against 8.5 out of 10; our editors rank them #3 and #7.

Deno Deploy offers free plan; Fly.io doesn't. Fly.io is cheaper to start at $1.94/mo against $20/mo.

Fly.io is the better fit for containerized apps across global regions. Deno Deploy is the better fit for javaScript and TypeScript edge apps.

  • Fly.io fits best

    Containerized apps across global regions

  • Deno Deploy fits best

    JavaScript and TypeScript edge apps

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Fly.io 9.0/10 Visit ↗ Deno Deploy 8.5/10 Visit ↗
At a glance
Editor score 9.0 8.5
Ranking #3 in Edge Hosting #7 in Edge Hosting
Best for Containerized apps across global regions JavaScript and TypeScript edge apps
Pricing model Paid Free plan + paid
Starting price $1.94/device/mo (best) $20/mo
Free plan — ✓ (best)
Free trial 7 days —
Deployment Cloud, Browser extension Cloud, Self-hosted
Platforms Web, Linux Web
Support Community, Docs, Email, Tickets Email, Community
Compliance SOC 2, HIPAA SOC 2, ISO 27001
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Fly.io 0/4 · Deno Deploy 0/4
Container support Not checked yet Not checked yet
Persistent storage Not checked yet Not checked yet
Custom domains Not checked yet Not checked yet
Edge database Not checked yet Not checked yet
Specs
Edge locations Not checked yet Not checked yet
Included bandwidth Not checked yet Not checked yet
Our review
Pros
  • Lightweight Fly Machines support deployments across worldwide regions.
  • Rolling, canary, blue-green, and immediate rollout strategies.
  • Health checks, rollback, volumes, secrets, and private networking.
  • Supports streaming, cron jobs, dynamic apps, and APIs
  • Deploy from GitHub, the dashboard, or the Deno CLI
  • Includes observability, custom domains, CDN caching, and Deno KV
Cons
  • Storage and network charges are separate from machine pricing.
  • No free plan; usage-based costs require workload monitoring.
  • Advanced support adds $29, $199, or $2500 monthly.
  • Free plan is limited to 1M requests per month
  • Enterprise usage limits are custom rather than predefined
  • Builder costs $200 per month, making it suited to growing platforms
Our verdict

Fly.io is a developer-focused public cloud for deploying applications as lightweight virtual machines near users. It is designed for web applications, APIs, background processes, and other containerized workloads. Teams can deploy with fly…

Read the review →

Deno Deploy is a serverless hosting platform for JavaScript and TypeScript applications, including dynamic web services, APIs, static sites, framework-based applications, SaaS products, and developer platforms. It supports Deno and Node…

Read the review →
  1. Fly.ioEdge Hosting 9.07-day trial
  2. Deno DeployEdge Hosting 8.5Free plan

Strengths and trade-offs

  • Fly.io — where it wins

    • Lightweight Fly Machines support deployments across worldwide regions.
    • Rolling, canary, blue-green, and immediate rollout strategies.
    • Health checks, rollback, volumes, secrets, and private networking.

    Where it doesn't

    • Storage and network charges are separate from machine pricing.
    • No free plan; usage-based costs require workload monitoring.
    • Advanced support adds $29, $199, or $2500 monthly.

  • Deno Deploy — where it wins

    • Supports streaming, cron jobs, dynamic apps, and APIs
    • Deploy from GitHub, the dashboard, or the Deno CLI
    • Includes observability, custom domains, CDN caching, and Deno KV

    Where it doesn't

    • Free plan is limited to 1M requests per month
    • Enterprise usage limits are custom rather than predefined
    • Builder costs $200 per month, making it suited to growing platforms

More comparisons

All edge hosting comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update