Email campaigns that prove demand
Cold emails written and sent for you, to researched leads in your exact market — real replies tell you it works before you spend big.
AI agents + human experts, working for you
Type your idea below. Our AI agents + human experts build the app, validate it with email campaigns, advertise it on Meta, Twitter/X & TikTok, and monetize it with Stripe payments and ads.
50,000+ businesses created.
Built, validated & monetized — from just an idea.
Cold emails written and sent for you, to researched leads in your exact market — real replies tell you it works before you spend big.
Campaigns created and launched for you, right where your customers scroll every day.
Checkout wired into your app and ads earning alongside — revenue lands right on your dashboard.
How it works
Describe it in plain language. AI agents validate it with market research, find your customers, and shape your name, brand and logo.
Your app takes shape with human experts on your side, while cold emails reach researched leads and ads launch on Meta, Twitter/X & TikTok.
Take payments with Stripe checkout and earn from ads running in your app — a real business, paying you on your dashboard.
What you get
While LastCo works you'll see a "Creating…" pulse — then each campaign goes live and every result appears automatically. No refresh.
Campaigns created and launched for you across the big three networks.
Run ads inside your app and stack extra revenue alongside payments.
Business name, tagline, market research, brand guidelines and a designed logo — created automatically, and kept in sync between the web app and the iPhone / Android app.
Pricing
Everything you need to shape and validate your idea.
Unlock growth — outreach, ads and monetization.
Coming soon
your idea + AI agents + human experts
Free to start · Sign in with Google or Apple