Choosing a deployment platform shouldn't take three days of research. You have an app to ship. So here's the honest breakdown from someone who's actually pushed projects to all three: Vercel, Railway, and Fly.io.
What Each Platform Is Actually Built For
Vercel is a frontend-first platform, optimized specifically for Next.js (they built it), but it handles React, Svelte, Astro, and most static frameworks well. The developer experience is genuinely best-in-class — push to GitHub, it deploys in 90 seconds, preview URLs work automatically. The free Hobby tier gets you 100GB bandwidth and serverless functions. Pro is $20/month per member. The catch? It's not great for persistent backends, long-running processes, or anything stateful. Try to run a WebSocket server or a background job on Vercel and you'll hit walls fast.
Railway is where full-stack apps live comfortably. Databases, background workers, cron jobs, APIs — Railway handles all of it without requiring you to become a DevOps engineer. Pricing starts at $5/month (Starter) with $5 in free usage credit monthly. You pay based on resource consumption, which is honest but can surprise you if you're not watching. The interface is clean and the Postgres/Redis/MySQL provisioning is genuinely one-click. It's not the most powerful option, but it removes friction for indie developers and small teams.
Fly.io is for people who want near-VM control without managing actual VMs. You deploy containerized apps globally across 30+ regions. It's Kubernetes-level flexibility with a better CLI experience. Free tier includes 3 shared-CPU VMs and 3GB volume storage. Paid plans scale based on compute. The learning curve is real — you'll write a fly.toml config, you'll troubleshoot container builds, and you'll appreciate the power once you're through it. Fly shines for latency-sensitive apps, multi-region deployments, and anything that outgrows the guardrails of simpler platforms.
Pricing Reality Check
Here's where people get tripped up:
- Vercel: Free tier is genuinely useful for side projects. Pro at $20/user/month adds team features, but serverless function limits can bite you on high-traffic apps.
- Railway: $5/month base is low, but a poorly optimized app can hit $20-40/month quickly. Use their usage estimator before committing.
- Fly.io: Technically the cheapest if you're running persistent workloads. A small always-on VM costs around $1.94/month. But setup time has a real cost if you're not technical.
If you're building a marketing site or landing page and just need solid hosting with great uptime, Kinsta is worth considering — managed WordPress hosting with global CDN and much less configuration overhead than any of these three.
Real Use Cases and Who Should Use What
Use Vercel if: You're building a Next.js or frontend-heavy app, your backend is an API layer (not stateful), and you want zero-config CI/CD. It's also ideal for teams who use tools like Webflow for marketing pages and want a similar "it just works" experience on the dev side.
Use Railway if: You're a solo founder or small team shipping a full-stack product — Node.js backend, Postgres database, maybe a worker queue. You want to focus on product, not infrastructure. It's the most beginner-friendly of the three for backend work.
Use Fly.io if: You need global edge deployment, custom container control, or you're building something that requires fine-grained resource management. Engineering-heavy teams will feel at home here.
For startup founders tracking their stack decisions, documenting architecture notes, and aligning the team — Notion remains the go-to workspace for keeping all of that organized alongside your roadmap.
The Recommendation
For most early-stage founders: Railway. It handles the full stack, the pricing is predictable at small scale, and you won't need to hire a DevOps person to keep it running. Once you hit scaling needs, migrating to Fly.io is a natural next step.
Use Vercel if your app is frontend-dominant. Use Fly.io when you need power and control.
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Ship something real. The perfect platform doesn't exist — the right one does.
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