AI Fitness App

🚀 Bridging the Gap in Online Fitness Coaching

Inspiration

After coaching in the online fitness space since 2020, I noticed a major gap in the client and coach experience when it came to existing coaching apps. Many platforms were either completely manual—demanding tons of time from the coach—or fully automated, sacrificing personalization and quality.

I wanted to create something that truly bridged the gap: a solution that gave coaches back their time without sacrificing the human touch that makes coaching so effective. I knew that by leveraging AI in the right way, I could build something powerful, flexible, and supportive for both coaches and clients.

What It Does

This app allows coaches to generate science-backed workout programs and feedback using AI, while still maintaining full control. Coaches can review, edit, and approve everything the AI suggests before it gets delivered to the client—ensuring accuracy, personalization, and accountability.

The app blends automation with coach oversight, eliminating the overwhelm of writing every program from scratch, while still upholding high standards and results-driven coaching.

How I Built It

I used Bolt.new to build the core structure of the app using their no-code/low-code AI-powered app builder. I collaborated with GitHub for version control, pushing changes from different branches to keep everything clean and structured.

The AI logic was integrated using OpenAI’s API, trained on prompt structures that mimic how I personally write feedback and programming. I focused on generating editable, coach-facing outputs rather than client-facing ones, to ensure safety and quality.

// Example of AI feedback formatting
const feedback = `Your squat depth is improving! Focus on keeping your chest tall and knees tracking over your toes for better balance.`;

##** Challenges I Faced** 
Zero coding experience: This was my very first time building anything with code or logic-based tools.

AI prompt tuning: Getting the AI to return usable, clear, and coach-editable feedback was an iterative process.

Logic design: Structuring the backend flow to allow coach approvals without compromising the user experience required learning fast and failing forward.

##Accomplishments I’m Proud Of
I built my first-ever working prototype—even without a coding background.

The app successfully generates useable, coach-friendly programs and feedback in seconds.

I created something I personally would use in my own business—and something I know my peers would benefit from too.

##** What I Learned** 
I learned that anyone can build something meaningful with the right tools—even without a technical background.

Combining AI with human quality control creates a solution that’s both scalable and personalized.

Simplicity and functionality go hand-in-hand. You don’t need to overcomplicate tech to make it impactful.

##** What’s Next** 
Publishing for App Store 

Add custom client dashboards

Build in smart reminders and habit tracking

Expand AI coaching capabilities with voice/video integration

Onboard other coaches and build out the ecosystem

##Please Contact Me
If you want to demo the coach side, contact me I can add your user as a coach role

Built With

• bolt
• openai
• supabase
• typescript