Check your AI-built app before your users do.
Two free tools for founders shipping apps built with Lovable, Replit, Cursor, Bolt and other AI tools. No sign-up, nothing to install, and nothing you enter leaves your browser.
AI API cost calculator
Free AI API cost calculator for Claude, GPT and Gemini. Estimate cost per request and per month, see what a runaway loop would cost, and set a safe spend cap.
Open the calculatorVibe-coded app security checklist
Free security self-check for apps built with Lovable, Replit, Cursor or Bolt: API keys, auth, Supabase RLS, spend caps and hosting. Tick it off, then print it.
Start the self-check
Found something worrying? We'll look with you.
A free 30-minute review of your AI-built app, then a written fix plan and a quote.