Compare providers·Tools

Fly.io vs Supabase

Monthly hosting costs for typical app profiles — computed with the same recommendation engine as StackPlan stack reports. Assumes balanced budget and ops preferences unless noted.

Pricing data:Fly.io · updated Jun 2026Supabase · updated Jul 2026

Web app

MetricFly.ioSupabase
Cost at 1k DAU$32.10/mo$36.70/mo
Cost at 100 DAU$5.95/mo$25.26/mo
Cost at 1K DAU$32.10/mo$36.70/mo
Cost at 10K DAU$190.95/mo$176.97/mo
Cost at 100K DAU$1782.20/mo$1589.54/mo
Services used
  • Fly.io · Machines · Shared CPU 1x
  • Fly.io · Postgres · Standard
  • Supabase · Edge Functions · Pro (project add-on)
  • Supabase · Postgres · Pro
Fit score87/10079/100
Verdict: It flips at scale: Fly.io cheaper at 1k DAU, Supabase at 100k.

SaaS product

MetricFly.ioSupabase
Cost at 1k DAU$32.50/mo$51.70/mo
Cost at 100 DAU$5.95/mo$27.26/mo
Cost at 1K DAU$32.50/mo$51.70/mo
Cost at 10K DAU$196.55/mo$326.97/mo
Cost at 100K DAU$1841.80/mo$3089.54/mo
Services used
  • Fly.io · Machines · Shared CPU 1x
  • Fly.io · Postgres · Standard
  • Cloudflare · Queues · Paid
  • AWS (serverless) · EventBridge Scheduler · Free
  • Supabase · Edge Functions · Pro (project add-on)
  • Supabase · Postgres · Pro
  • Upstash · QStash · Pay as you go
  • Supabase · Cron (pg_cron) · Included
Fit score68/10055/100
Verdict: Fly.io is cheaper for this profile at every traffic level.

E-commerce store

MetricFly.ioSupabase
Cost at 1k DAU$37.06/mo$50.20/mo
Cost at 100 DAU$6.45/mo$26.61/mo
Cost at 1K DAU$37.06/mo$50.20/mo
Cost at 10K DAU$240.49/mo$329.51/mo
Cost at 100K DAU$2277.52/mo$3132.86/mo
Services used
  • Fly.io · Machines · Shared CPU 1x
  • Fly.io · Postgres · Standard
  • Fly.io · Tigris · Standard
  • Supabase · Edge Functions · Pro (project add-on)
  • Supabase · Postgres · Pro
  • Supabase · Storage · Pro (project add-on)
Fit score88/10079/100
Verdict: Fly.io is cheaper for this profile at every traffic level.

API / backend service

MetricFly.ioSupabase
Cost at 1k DAU$32.10/mo$36.70/mo
Cost at 100 DAU$5.95/mo$25.26/mo
Cost at 1K DAU$32.10/mo$36.70/mo
Cost at 10K DAU$190.95/mo$176.97/mo
Cost at 100K DAU$1782.20/mo$1589.54/mo
Services used
  • Fly.io · Machines · Shared CPU 1x
  • Fly.io · Postgres · Standard
  • Supabase · Edge Functions · Pro (project add-on)
  • Supabase · Postgres · Pro
Fit score97/10089/100
Verdict: It flips at scale: Fly.io cheaper at 1k DAU, Supabase at 100k.

Mobile app backend

MetricFly.ioSupabase
Cost at 1k DAU$37.06/mo$50.20/mo
Cost at 100 DAU$6.45/mo$26.61/mo
Cost at 1K DAU$37.06/mo$50.20/mo
Cost at 10K DAU$240.49/mo$329.51/mo
Cost at 100K DAU$2277.52/mo$3132.86/mo
Services used
  • Fly.io · Machines · Shared CPU 1x
  • Fly.io · Postgres · Standard
  • Fly.io · Tigris · Standard
  • Supabase · Edge Functions · Pro (project add-on)
  • Supabase · Postgres · Pro
  • Supabase · Storage · Pro (project add-on)
Fit score98/10089/100
Verdict: Fly.io is cheaper for this profile at every traffic level.

Realtime / collaborative

MetricFly.ioSupabase
Cost at 1k DAU$32.10/moNot a fit for this app type
Cost at 100 DAU$5.95/moNot a fit for this app type
Cost at 1K DAU$32.10/moNot a fit for this app type
Cost at 10K DAU$190.95/moNot a fit for this app type
Cost at 100K DAU$1782.20/moNot a fit for this app type
Services used
  • Fly.io · Machines · Shared CPU 1x
  • Fly.io · Postgres · Standard
Not a fit for this app type
Fit score98/100—
Verdict: Fly.io is the only viable option for this app type.

Jobs & pipelines

MetricFly.ioSupabase
Cost at 1k DAU$32.50/mo$51.70/mo
Cost at 100 DAU$5.95/mo$27.26/mo
Cost at 1K DAU$32.50/mo$51.70/mo
Cost at 10K DAU$196.55/mo$326.97/mo
Cost at 100K DAU$1841.80/mo$3089.54/mo
Services used
  • Fly.io · Machines · Shared CPU 1x
  • Fly.io · Postgres · Standard
  • Cloudflare · Queues · Paid
  • AWS (serverless) · EventBridge Scheduler · Free
  • Supabase · Edge Functions · Pro (project add-on)
  • Supabase · Postgres · Pro
  • Upstash · QStash · Pay as you go
  • Supabase · Cron (pg_cron) · Included
Fit score78/10065/100
Verdict: Fly.io is cheaper for this profile at every traffic level.

AI app

MetricFly.ioSupabase
Cost at 1k DAU$37.06/mo$50.20/mo
Cost at 100 DAU$6.45/mo$26.61/mo
Cost at 1K DAU$37.06/mo$50.20/mo
Cost at 10K DAU$240.49/mo$329.51/mo
Cost at 100K DAU$2277.52/mo$3132.86/mo
Services used
  • Fly.io · Machines · Shared CPU 1x
  • Fly.io · Postgres · Standard
  • Fly.io · Tigris · Standard
  • Supabase · Edge Functions · Pro (project add-on)
  • Supabase · Postgres · Pro
  • Supabase · Storage · Pro (project add-on)
Fit score88/10089/100
Verdict: Fly.io is cheaper for this profile at every traffic level.

Internal tool

MetricFly.ioSupabase
Cost at 1k DAU$32.10/mo$36.70/mo
Cost at 100 DAU$5.95/mo$25.26/mo
Cost at 1K DAU$32.10/mo$36.70/mo
Cost at 10K DAU$190.95/mo$176.97/mo
Cost at 100K DAU$1782.20/mo$1589.54/mo
Services used
  • Fly.io · Machines · Shared CPU 1x
  • Fly.io · Postgres · Standard
  • Supabase · Edge Functions · Pro (project add-on)
  • Supabase · Postgres · Pro
Fit score87/10079/100
Verdict: It flips at scale: Fly.io cheaper at 1k DAU, Supabase at 100k.

These numbers assume a typical profile

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