Laying out the streets…STEP 1 OF 3

FirstThree · Office #66,515

Your app idea → a tiny v1 plan + your first 3 prompts

In the Validating an idea neighborhood (Startup). In town since 8 Nov 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on FirstThree's site

FirstThree describes itself as: “FirstThree: App idea to build plan + your first 3 vibecoding prompts (Cursor, Lovable, Bolt, Replit)”

What it is

Calls itself “web tool”.

  • Calls itself: web tool
“FirstThree is a free web tool that turns a one-sentence app idea into a tiny v1 build plan”

Where it puts itself

Rules out “sign-up”.

  • Says it will not: sign-up
“Free, no sign-up, ideas aren't stored.”

What it costs

A free tier, free forever. No monthly or yearly plan. No one-time option.

  • One-time: no
  • Monthly: no
  • Yearly: no
  • Free plan: free forever
“Free, no sign-up.”
“Free, no sign-up, ideas aren't stored.”
“Is it free? Do I need an account? Yes, it's free and there's no sign-up.”

How it runs

A web app. AI is the core of the product.

  • Kind: web
  • AI role: core to the product
“FirstThree is a free web tool that turns a one-sentence app idea into a tiny v1 build plan”
“FirstThree turns a one-sentence app idea into a tiny v1 plan for the AI builder you use”

What it offers as proof

Live, no waitlist. Try it without signing up.

  • Trial asks for: nothing
“Free, no sign-up.”

Sources

Tablif read these pages, last on 8 Nov 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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