You can do this with a prompt-to-app + visual editor workflow. The exact steps depend on the tool, but the general process looks like this:

1) Start from a prompt

Use an AI app builder that can generate a first draft from plain English. Example prompt:

Build a landing page for a fitness coaching app with a hero section, pricing cards, testimonials, and a signup form. Use a modern dark theme with green accents.

The tool generates:

• layout
• components
• copy
• styling
• sometimes app logic and data models

2) Open the visual editor

After generation, switch to a drag-and-drop / WYSIWYG editor where you can:

• click elements directly on the page
• resize, move, or delete sections
• edit text in place
• change colors, spacing, typography
• swap images/icons
• add or remove components

3) Refine with additional prompts

Most AI builders let you keep using prompts to make changes, like:

• “Make the header sticky.”
• “Change the theme to light mode.”
• “Add a contact form at the bottom.”
• “Turn the pricing cards into a 3-column layout.”

4) Connect data and logic

If it’s more than a static page, you can usually:

• add a database or spreadsheet
• bind UI elements to data
• set button actions and workflows
• connect APIs or authentication

5) Preview and publish

Preview the app, test it on different screen sizes, then deploy it.

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Popular tools for this workflow

Here are some categories:

AI app builders with visual editing

• Framer — great for websites/landing pages
• Webflow + AI features — strong visual control
• Bubble — best for no-code web apps
• FlutterFlow — good for mobile apps and web apps
• Lovable / Bolt / similar AI builders — prompt first, then edit visually
• Figma + AI plugins — useful if you want design-first workflows

Best choice by use case

• Landing page / marketing site: Framer, Webflow
• Full web app: Bubble, Lovable, Bolt, Replit-style AI builders
• Mobile app: FlutterFlow
• Design prototype: Figma

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A simple workflow to follow

1. Write a detailed prompt describing the app
2. Generate the first version
3. Use the visual editor to adjust layout/design
4. Use follow-up prompts for larger changes
5. Test the app
6. Publish

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Tips for getting better results

• Be specific about the goal, audience, and style
• Mention sections/components you want
• Include brand colors, spacing, and tone
• Ask for responsive design
• Iterate in small steps

Example:

Create a SaaS dashboard for task management. Include a sidebar, analytics cards, project list, and activity feed. Use a clean white UI with blue accents, rounded corners, and lots of whitespace.

If you want, I can also recommend the best tool for your exact project and give you a prompt template to generate the app faster.