To validate app ideas, start by researching the revenue of existing apps on Sensor Tower (e.g., Water Llama earns $50,000 per month) and studying design flows on Mobbin.
Link to this point #1Starter Story Build
Watch Me Design And Build a Mobile App In 18 minutes [Tutorial]
Watch the original on YouTube ↗AI-generated summary. Check the original video for context and accuracy. Translated into English with AI.
Overview
In this video, Mattia, a designer turned SaaS builder, demonstrates the process of designing and implementing a hydration tracking app from start to finish using AI tools in under 18 minutes. Drawing inspiration from existing successful apps, he provides a step-by-step guide on how to combine tools like Gemini, ChatGPT, Sleek Design Design, and Claude Code to build an MVP with quality comparable to apps earning $50,000 per month.
Key points
When creating a mood board, extract preferred elements from multiple successful apps (e.g., Water Llama, Plant Nanny) and combine them to build a unique design concept.
Link to this point #2Significantly improve the accuracy of AI design tools by inputting mood board screenshots and prompts into Gemini to generate detailed requirements documents.
Link to this point #3Custom illustrations and mascot characters are crucial for enhancing user engagement and can be generated with a transparent PNG background using ChatGPT.
Link to this point #4Enhance design quality by generating multiple design variations in parallel using Sleek Design Design, then selecting and fine-tuning the optimal one.
Link to this point #5By passing Sleek Design Design's HTML code to Claude Code, it can be converted into React Native app code, instantly generating a working prototype.
Link to this point #6Executing the same prompt multiple times leverages AI randomness, increasing the likelihood of achieving better results.
Link to this point #7Designing an onboarding flow is essential for mobile app success and should involve studying and applying existing best practices.
Link to this point #8As a UI design principle, major actions should be placed at the bottom of the screen to allow users to easily operate them with their thumb.
Link to this point #9Completing this entire process in 30-45 minutes allows for rapid progression from idea validation to initial prototype.
Link to this point #10Put this knowledge to work.
Use saved videos in Claude Code or Codex to think through your plans and code. Sign up and connect your AI to get started.