Build a small web app with no code
Go from idea to a working tool without writing a line.
Jervis Koh · tested in my own business
Working realtor, The Real Matters. If a prompt doesn't survive real clients, it isn't here.
Describe the one thing you want your tool to do, in plain English, to an AI app builder like Lovable or Bolt — it writes and hosts the app for you. Start tiny: build that one job first.
You can now build a real, working web app without code — the AI writes it from your description and puts it online. The only trap is doing too much. Build the smallest version that does one job, use it, then add more.
- ▸Lovable — prompt-to-app for non-coders; clean apps with login and database built in
- ▸Bolt.new — fastest prompt-to-deployed web app, right in the browser
- ▸Replit — build, run and host apps with an AI agent helping
- ▸Bubble — classic drag-and-drop no-code for more complex apps
Build one tiny thing that works
Begin with a tool that does exactly one job, described in a single sentence — a tracker, a form that emails you responses, a simple calculator. Have AI walk you through it and check each step works before moving on. Seeing your own working software run is the moment it clicks.
Let real use pull the roadmap
Once v1 runs, resist adding features. Use the ugly version yourself for a few days — real use, not imagination, should pull your roadmap. You'll discover the actual next feature is something you'd never have prioritised, and half the features you imagined are unnecessary. Add the next thing only when its absence is genuinely annoying.
Know when to graduate
As it grows you'll hit no-code's edges — performance, sensitive data, logic the platform can't express. Recognise those and decide deliberately: stay simple, or graduate (and maybe hand a developer your working prototype as the clearest brief imaginable). Most tools never need to graduate; the ones that do have already earned it.
- 1Write the one job in a single sentence, plus who it is for and the single screen it needs. That sentence is your whole spec.
- 2Open an AI app builder (Lovable, Bolt and Replit all work) and paste that sentence as your first prompt, asking explicitly for the simplest version only.
- 3When it generates, click through every screen before you change anything, so you know what already works.
- 4Fix problems by describing them in plain English, one change per message, and re-testing after each; never stack five changes at once.
- 5Wire in the one piece of data it needs (a form that emails you, a list it saves) and put one real entry through it end to end.
- 6Add a login only if it holds anything private. If it does not, skip auth and stay simple.
- 7Publish to get a live link, open it on your phone, and run the real task through it once as a stranger would.
- 8Keep a short list of gaps that genuinely annoy you in real use, and add the next feature only when its absence bites, not before.
App-building prompts
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