OnePrompt - AI Prompt Builder

Better AI prompts, instantly

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Now with smarter AI targeting — pick ChatGPT, Claude, or Gemini and get a prompt built specifically for it. Type naturally, we handle the rest. OnePrompt turns what you're trying to say into a prompt that actually works. No prompt engineering. No trial and error. Just tell OnePrompt what you need — it asks a few smart questions and builds the prompt for you. HOW IT WORKS 1. Describe what you need in plain language 2. Answer a few quick questions 3. Copy your prompt and paste it into ChatGPT, Claude, or Gemini BUILT FOR REAL USE • 14 ready-to-use templates: emails, travel plans, recipes, cover letters, study guides, and more • Optimized output for ChatGPT, Claude, and Gemini • Works with whatever AI you already use — no account needed WHO IT'S FOR If you've ever stared at a blank ChatGPT box and didn't know what to type — this is for you. OnePrompt is designed for people who want better AI results without learning how to prompt. WHAT YOU CAN BUILD • Professional emails that hit the right tone • Travel itineraries tailored to your trip • Cover letters that stand out • Study plans and research briefs • Recipes based on what you have • Social media posts, blog outlines, meeting agendas, and more

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

Bug fixes and improvements based on your feedback. • Smarter prompt builder — better at understanding how you naturally type • AI selector now available on the home screen (ChatGPT, Claude, Gemini) • Fixed prompt formatting for Claude — cleaner, no duplicate sections • Recipe, travel, and cover letter templates now prefill more accurately • Text and labels updated throughout to be clearer and easier to understand • Various stability and performance improvements

Version 1.0.2

The developer, Carlos Soto, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Carlos Soto
    Size
    • 2.4 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Carlos Soto
  • Developer Website
  • Privacy Policy

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