Tutorial

How to Build an App With AI

From a single prompt to a live URL — the realistic path to building and shipping an app with AI, and where vibe coding tools hand off to AI coding assistants.

TL;DR

Scope something small, pick a starting tool (a builder to prompt the whole app, or an assistant to own the code), generate and iterate, add data and auth, review the code, deploy, then test and harden. Tool choice depends on your goal — the stack picker matches one to you.

Steps

  1. 01

    Scope something small

    Write one or two sentences describing a single, useful thing your app does. A tight first scope (one screen, one job) is the difference between shipping and stalling. You can grow it later.

  2. 02

    Pick your starting tool

    If you want a whole app from a prompt, start with a vibe coding tool. If you want to own the code from day one, start with an AI coding assistant. Not sure? The picker below matches one to your answers.

    → Find my stack in 4 questions
  3. 03

    Generate the first version

    Paste your scope as the prompt and let the tool build a first version. Then iterate in small steps — “add a login,” “make the list filterable” — reviewing each change instead of asking for everything at once.

  4. 04

    Add data and auth

    Most builders connect to a backend (commonly Supabase) for a database and user accounts, or ship one built in. Wire this up early so your app stores real data rather than mock data.

  5. 05

    Review the code with an assistant

    When logic gets specific or something breaks, move into an AI coding assistant to read, fix and refactor the actual code. This is where owning the codebase pays off — and where a terminal agent or AI IDE earns its place.

    → Compare the AI coding assistants
  6. 06

    Deploy to a live URL

    Use the builder’s one-click deploy or push to a host like Netlify or Vercel. Now you have a real, shareable URL — the milestone that makes the project feel real.

  7. 07

    Test, harden, iterate

    Before you rely on it, check the basics: does it handle bad input, is auth actually protecting data, are secrets kept out of the client? AI can help here too, but you own the review.

FAQ

Frequently asked questions

Can I really build an app with AI if I can’t code?
Yes, you can get a working first version without writing code, using a vibe coding tool that generates and runs the app from your prompt. You will get further, faster, if you learn the basics — but you do not need them to start, and a coding assistant can help you understand the code as you go.
What is the best AI tool to build an app?
For prompt-to-app with no setup, Lovable and Bolt are popular starting points; for owning the code, Cursor and Claude Code are the common picks. The best choice depends on your goal and experience — our stack picker recommends one in four questions.
How long does it take to build an app with AI?
A simple, single-purpose app can reach a live URL in an afternoon with a vibe coding tool. A polished, production-ready product with real users, data and security takes longer — AI shortens the build, but testing and hardening are still real work.
Do I still need to learn to code?
To ship a first version, no. To customise confidently, fix tricky bugs, and keep an app secure and maintainable, the fundamentals help a lot. A good path is to build with AI first, then use an AI coding assistant to learn the code it produced.