Build and launch a SaaS MVP on free tiers. Supabase, Vercel, Clerk, Sentry, Resend, GitHub Actions — published limits, cost at scale, stability ratings.
Published 2026-04-04 · Not yet reviewed
Everything you need to build and launch a SaaS product without spending a dollar.
The SaaS MVP stack prioritizes developer experience and speed-to-market. Every service here has a generous free tier that covers development through early traction. You can have a production-ready app with auth, database, email, monitoring, and CI/CD — all for $0/month until you have paying customers.
| Category | Service | Stability | Free | ~1K MAU | ~10K MAU | ~100K MAU |
|---|---|---|---|---|---|---|
| Database | SupabasePostgres development platform: database, Auth, Storage, Realtime and Edge Functions. The… | active | $0 | $25 | $25 | $75 |
| Hosting | VercelHobby plan, $0 a month, for non-commercial personal use only. Includes 100 GB Fast Data… | active | $0 | $20 | $20 | $150 |
| Auth | ClerkDrop-in auth with 50K monthly retained users free, unlimited apps | active | $0 | $0 | $0 | $100 |
| Monitoring | SentryDeveloper tier: 1 user, 5K errors/month, 5M spans/month, 50 session replays, 5GB… | active | $0 | $26 | $26 | $80 |
| ResendDeveloper-first email API — 3K emails/month free (100/day cap), 3 domains, 1K marketing… | active | $0 | $0 | $20 | $90 | |
| CI/CD | GitHub ActionsFree CI/CD for public repos (unlimited minutes). Private repos: 2,000 min/mo… | active | $0 | $0 | $4 | $21 |
| Total | $0/mo | $71/mo | $95/mo | $516/mo |
Postgres + auth + storage + realtime in one platform. Perfect for MVPs that need to move fast.
Postgres development platform: database, Auth, Storage, Realtime and Edge Functions. The Free plan is $0: unlimited API requests, 50,000 monthly…
Best-in-class Next.js deployment with instant previews and edge functions.
Hobby plan, $0 a month, for non-commercial personal use only. Includes 100 GB Fast Data Transfer, 1M Edge Requests, 1M Function Invocations, 4 hours…
Most generous free auth. Drop-in components, MFA, organizations — all free up to 50K MAU.
Drop-in auth with 50K monthly retained users free, unlimited apps
Industry-standard error tracking with source maps, breadcrumbs, and release tracking.
Developer tier: 1 user, 5K errors/month, 5M spans/month, 50 session replays, 5GB application logs, 1GB attachments
Modern email API built for developers. React email templates, excellent deliverability.
Developer-first email API — 3K emails/month free (100/day cap), 3 domains, 1K marketing contacts/month, 5 AI credits, 30-day data retention
Native to your repo. No extra config, generous free tier for private repos.
Free CI/CD for public repos (unlimited minutes). Private repos: 2,000 min/mo GitHub-hosted runners, 500 MB artifact storage, 10 GB cache/repo…
Want to customize this stack? Here are smart swaps that can save money at scale:
Save $150/mo at 100K users — unlimited bandwidth, $0 at any scale