Stack guide · updated 2026-10-19
Best free vibe coding stack
Checked Oct 2026Everything here has a free plan or free tier per the official pricing page. Good for validating an idea before paying for anything.
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The stack at a glance
| Layer | Pick | Starting price | Our status | Try |
|---|---|---|---|---|
| App builder | Bolt.new | Free; Pro $18/mo billed annually (source, checked 2026-10-19) | Community-verified | Visit ↗ Affiliate |
| AI editor (when you export code) | Cursor | Free; paid from $8/mo (Plus) (source, checked 2026-10-19) | Community-verified | Visit ↗ |
| Backend / database | Supabase | Free; Pro from $25/mo (source, checked 2026-10-19) | Community-verified | Visit ↗ |
| Resend | Free (3,000 emails/mo, 100/day); Pro $20/mo for 50,000 (source, checked 2026-10-19) | Not yet reviewed | Visit ↗ | |
| Analytics | PostHog | Free every month (1M analytics events, 5K recordings); then pay-as-you-go (source, checked 2026-10-19) | Not yet reviewed | Visit ↗ |
| LLM API | Google AI Studio | Free tier; paid Gemini API is pay-as-you-go (source, checked 2026-10-19) | Not yet reviewed | Visit ↗ |
| Hosting | Vercel | Hobby free; Pro $20/mo (source, checked 2026-10-19) | Community-verified | Visit ↗ |
Each pick, and why
Bolt.new
Why: Free plan and the fastest prompt-to-prototype in the browser.
+ Fastest prompt-to-prototype in the browser
− Token cost per prompt grows as the project gets bigger
Cursor
Why: Free tier; take over the code when the builder hits its limits.
+ Strong tab completion and repo-aware multi-file edits
− Still breaks code without small tasks and review
Status: Community-verified · Alternatives: Windsurf
Supabase
Why: Free tier with Postgres and auth.
+ Postgres database plus auth, storage and a free tier
− See community sources (Supabase vs Clerk) for auth trade-offs
Status: Community-verified · Alternatives: Firebase
Resend
Why: Free 3,000 emails/month (100/day).
+ Free 3,000 emails/mo; React Email support
− Free plan capped at 100 emails/day; monthly billing only
Status: Not yet reviewed
PostHog
Why: Free monthly allowance (1M events, 5K recordings).
+ Generous monthly free tier across analytics, replay and flags; billing limits per product
− Usage-based pricing can be harder to predict at scale
Status: Not yet reviewed
Google AI Studio
Why: Free tier for Gemini models if your app needs AI.
+ Free tier for Gemini models
− Paid usage is pay-as-you-go
Status: Not yet reviewed · Alternatives: OpenRouter
Vercel
Why: Free Hobby tier.
+ Free Hobby tier; first-class for frontend and Next.js
− Pro is $20/mo per the pricing page; long-running backends fit elsewhere
Status: Community-verified · Alternatives: Netlify
FAQ
Can I build and launch an app for $0?
Yes, to start. Each tool in this stack has a free plan or free tier per its pricing page. Limits apply, such as Resend at 100 emails/day and Bolt and Lovable credit allowances.
What is the cheapest way to add AI to a vibe-coded app?
Google AI Studio has a free tier for Gemini models, and OpenRouter offers 25+ free models with a 5.5% platform fee on paid usage.
When should I start paying?
When you hit a free-tier limit with real users. Upgrade only the layer that is limiting you.
More: Build My Stack · All stack guides · Comparisons · All tools
How we label tools: "Tried it" means we tested it; "Community-verified" means builder feedback we cite backs it; "Not yet reviewed" means neither yet. Strengths and weaknesses come from cited community sources or official pages, not our own tests.