❦ OPINION · Hosting & deployment
Fly.io vs Vercel
Side by side: strengths, tradeoffs, features, pricing, and who each one fits. Same rubric, no editor's thumb on the scale, no winner declared — you decide.
Fly.io
Run your full app — including databases — close to users on a global edge network.
Vercel
Frontend platform built around Next.js — preview deploys, edge functions, zero-config performance.
❦ How each one performs
Founder fit by dimension
| Dimension | Fly.io | Vercel |
|---|---|---|
| Setup speed | 8.8 `fly launch` ships any Dockerfile in 2–3 minutes. | 9.8 Connect a GitHub repo, ship in under 2 minutes. |
| Ease of use | 8.0 CLI-first; dashboard improving but secondary to CLI. | 9.5 Best-in-class deploy DX; the bar everyone else is measured against. |
| Pricing transparency | 7.5 Per-resource model is honest but requires modeling. | 6.5 Tiers are clear; bandwidth overage pricing creates surprise bills. |
| Integrations | 8.5 Native Postgres, Redis, machines, volumes, Tigris object storage. | 9.2 Native GitHub/GitLab/Bitbucket, edge integrations, analytics. |
| Solo-founder fit | 9.0 $5/mo gets you a real app online. Hard to beat. | 9.0 Free tier holds for serious side projects; $20 unlocks commercial. |
❦ Feature matrix
Features
| Feature | Fly.io | Vercel |
|---|---|---|
| Git-push deploys | ● Yes | ● Yes |
| Preview deployments per PR | ◐ Partial | ● Yes |
| Edge functions | yes (full apps) | ● Yes |
| Run any language / framework | yes (Docker) | — No |
| Managed Postgres | ● Yes | — No |
| Managed Redis | ● Yes | — No |
| Object storage (Tigris) | ● Yes | — No |
| Multi-region | yes (35+) | yes (edge) |
| Cron / scheduled jobs | ● Yes | ● Yes |
| API / CLI | yes (CLI-first) | ● Yes |
| SSL / custom domains | ● Yes | — No |
| Native mobile app | — No | — No |
| Free tier (commercial) | no (small entry credit) | no (Hobby is non-commercial) |
| Static + SSR + ISR | — No | ● Yes |
| Custom domains + auto SSL | — No | ● Yes |
| Bandwidth included | — No | 100 GB Hobby / 1 TB Pro |
| Build minutes included | — No | 6,000 min/mo Hobby |
| Analytics | — No | Pro tier (paid add-on) |
❦ Every tier, side by side
Pricing
Fly.io
| Pay-as-you-go | From ~$5/mo | Per-resource pricing — RAM, CPU, bandwidth, volumes |
| Launch | $29/mo + usage | Email support, higher reserved capacity |
| Scale | $199/mo + usage | Priority support, SLA |
Vercel
| Hobby | $0 | 100 GB bandwidth, 1 user, non-commercial use |
| Pro | $20/mo/user | 1 TB bandwidth, commercial use, team features |
| Enterprise | Custom | SSO, SLAs, dedicated support, custom regions |
❦ What each one is genuinely good at, and what to know going in
Strengths and tradeoffs
Fly.io
Strengths
- ●Co-locate compute and databases in 35+ regions — real multi-region without AWS pain
- ●Managed Postgres + Redis included on the platform — no separate provider hop
- ●Pricing is per-resource and honest — no surprise tier upgrades
- ●Deploy any Dockerfile — escape-hatch from framework lock-in
Tradeoffs
- ●Documentation is uneven — community Discord fills the gaps
- ●Pricing model takes effort to model upfront
- ●Console / dashboard still trails the CLI in feature parity
Vercel
Strengths
- ●Best deploy experience in the category — pushed to main, live in 90 seconds
- ●Preview deployments per PR — collaborative reviews are dramatically easier
- ●Edge functions, ISR, image optimization native — Next.js features just work
- ●Free tier is genuinely production-grade for low-traffic apps
Tradeoffs
- ●Bandwidth overage on Pro tier can produce surprise bills after a viral moment
- ●Strong vendor pull toward Vercel-specific Next.js features (lock-in is real)
- ●Backend / long-running workloads aren't the platform's strength — pair with Fly or Railway
❦ Who each one is built for
Fit by founder type
| Founder type | Fly.io | Vercel |
|---|---|---|
| Solo Founder | Strong fit $5/mo to a real multi-region app. Best price-to-power in cloud. | Strong fit Hobby tier carries side projects; $20 Pro covers your first real SaaS. |
| Small Team | Strong fit Designed for this — full apps without AWS complexity. | Strong fit Pro tier and preview deploys are designed for this team size. |
| Agency | Workable Workable for hosting client backends; less optimized for marketing sites. | Strong fit Per-client projects work cleanly; team billing supports agency model. |
❦ Quick reference
Key facts
Fly.io
- 2017
- Chicago, IL
- Tens of thousands of apps
- 35+
- Supabase, Cal.com, Rails World hosting
Vercel
- 2015 (as Zeit)
- San Francisco, CA
- 1M+ developers
- Cash App, Loom, Nike, Stripe Press
- 100+
❦ When to pick each
Two right answers, two different situations.
Pick Fly.io when
$5/mo to a real multi-region app. Best price-to-power in cloud.
Pick Vercel when
Hobby tier carries side projects; $20 Pro covers your first real SaaS.