BBriefKit
New brief →

The SaaS build journey

Every tool from idea to scale — and where BriefKit fits.

→ The spec gap →
V0

Idea

Validate & plan

  • Notion
    Free
  • Claude / ChatGPT
    Free — $20/mo
  • Whimsical
    Free — $10/mo
  • Lean Canvas
    Free
V0.5

Design & prototype

Visual, no code

  • Claude Design
    Included in Pro
  • v0 by Vercel
    Free — $20/mo
  • Figma
    Free — $15/mo
  • Canva
    Free — $13/mo
V1

Build & ship

Working product

  • BriefKit
    $9 / version
    Full 14-file spec
  • Lovable
    $20/mo
  • Cursor
    $20/mo
  • Claude Code
    Usage-based
  • Bolt / Replit
    Free — $25/mo
  • Supabase
    Free — $25/mo
  • Razorpay / Stripe
    2-3% per txn
  • Vercel / Netlify
    Free — $20/mo
→ v2 spec gap →
V1.5

Grow & measure

Users + analytics

  • Google Search Console
    Free
  • PostHog
    Free — $29/mo
  • Buffer
    Free — $15/mo
  • F5Bot
    Free
  • Resend
    Free — $20/mo
V2

Scale & expand

Complex features

  • BriefKit v2
    $9 / version
    Migration brief
  • Same build tools
    Same pricing
  • Sentry
    Free — $29/mo
  • Intercom / Crisp
    Free — $39/mo
  • Stripe Atlas
    $500 one-time

BriefKit is the spec layer between your idea and your AI build tool. A complete engineer-grade spec pack. $9.

briefkit.online →