Fitness App Builder
Build a fitness app in minutes for free with AI. Write in plain English or tap buttons to create your app.
How to Use the Fitness App Builder
Fitness App Builder Example
Built with Replit.
Build your vision in minutes for free without writing a single line of code.
Prompting the Fitness App Builder
Build a workout tracking fitness app with a Smart Workout Planner that generates personalized routines based on goals, equipment, and time; an Exercise Form Coach with video and cues for proper form; Progress Analytics visualizing strength, volume, and PR trends across exercises and muscle groups; and Gamified Challenges featuring badges, streaks, and friend leaderboards.
Build a nutrition and diet fitness app that generates personalized weekly meal plans tailored to calories, macros, and dietary preferences; includes a barcode scanner to instantly log packaged foods with verified nutrition data; provides a macro and micro tracker for protein, carbs, fats, fiber, vitamins, and minerals against targets; and motivates users with habit streaks for consistent logging, hydration, and meal prep.
Build a yoga and meditation fitness app with a guided session library (on-demand flows and meditations by duration and level), adaptive programs that adjust sequences based on user feedback, soreness, and progress, a breathing coach with paced breathing, haptics, and visuals for relaxation or focus, and a mindfulness journal that prompts post-session reflections and tracks mood over time.
Build a running and cycling fitness app with real-time GPS route tracking (pace, elevation, segments, detailed maps/metrics), coach-led interval workouts with audio cues and adaptive pacing, a safety beacon that shares live location with trusted contacts and alerts on stops or falls, and training load and recovery analytics (weekly load, HR zones, recovery windows) for smarter scheduling.
Top Fitness App Features by Type
Workout Tracking
Smart Workout Planner
Generates personalized workout routines based on goals, equipment, and available time. This keeps users consistent and ensures progressive overload without guesswork.
Exercise Form Coach
Uses video and cues to guide proper form during sets. Better technique boosts results and reduces injury risk.
Progress Analytics
Visualizes strength, volume, and PR trends across exercises and muscle groups. Clear feedback motivates users and highlights plateaus to address.
Gamified Challenges
Introduces badges, streaks, and friend leaderboards for workouts completed. Fun competition increases adherence and social engagement.
Nutrition And Diet
Personalized Meal Plans
Builds weekly menus tailored to calories, macros, and dietary preferences. This simplifies decisions and improves compliance with nutrition goals.
Barcode Scanner
Instantly logs packaged foods by scanning labels with verified nutrition data. Fast tracking reduces friction and improves accuracy.
Macro & Micro Tracker
Tracks protein, carbs, fats, fiber, vitamins, and minerals against targets. Holistic insights prevent deficiencies and optimize performance.
Habit Streaks
Rewards consistent logging, hydration, and meal prep with streak counters. Behavioral nudges make healthy eating more sustainable.
Yoga And Meditation
Guided Session Library
Offers on-demand yoga flows and meditations by duration and level. Users can always find the right practice for their schedule and mood.
Adaptive Programs
Adjusts sequences based on feedback, soreness, and progress. Personalization enhances safety and keeps practices engaging.
Breathing Coach
Provides paced breathing with haptics and visuals for relaxation or focus. Controlled breath improves stress reduction and mind-body connection.
Mindfulness Journal
Prompts reflections after sessions and tracks mood over time. Self-awareness deepens practice and shows tangible mental health benefits.
Running And Cycling
GPS Route Tracking
Records routes, pace, elevation, and segments in real time. Detailed maps and metrics improve training insights and route discovery.
Interval Workouts
Delivers coach-led interval sessions with audio cues and adaptive pacing. Structured training boosts speed and endurance efficiently.
Safety Beacon
Shares live location with trusted contacts and triggers alerts on stops or falls. Peace of mind encourages outdoor sessions in varied environments.
Training Load & Recovery
Analyzes weekly load, HR zones, and recovery windows to prevent overtraining. Smarter scheduling reduces injury risk and improves performance.
The Fitness App of Your Dreams
Build your vision in minutes for free without writing a single line of code.
FAQ about the Fitness App Builder
What’s the fastest way to start a fitness app—build from scratch, use AI, or remix a template?
For pure speed, Remix a community template and start iterating in the Replit Workspace. If you want AI to scaffold features from a prompt, use Ask AI or create with Replit Agent for near-instant setup. Choose Build from Scratch when you need maximum control over stack and code. The Quickstart guides help you pick the path and get moving in minutes.
Can AI generate workout tracking, goal setting, and dashboards from a prompt?
Yes—Replit Agent supports complete app generation from a natural-language prompt, including workout tracking, goal setting, and dashboards. As you refine the app, the Assistant provides code suggestions, debugging help, and documentation. You can iterate conversationally until the features match your needs.
How do I add user accounts, social logins, and subscriptions/payments?
Ask the Agent to add Authentication flows and it can wire up Replit Auth, Google OAuth, or Firebase Auth. For payments, it can integrate Stripe or PayPal and prompt you to store API keys in the Secrets manager. You’ll get working sign‑in, checkout, and webhook code you can customize.
Where do I store user data like workouts, body metrics, and meal logs?
Use a Database provisioned by the Agent—managed PostgreSQL for relational data or Replit Database for simple key‑value storage. It can define the schema, handle data seeding, and set connection environment variables for you. Automatic checkpoints and rollbacks let you experiment safely without risking your data.
How can I import designs and build a polished fitness app UI quickly?
Start with Figma import to generate a React codebase that mirrors your design. Use the Visual Editor for fast UI tweaks, adjusting CSS and components in place, and ask the Agent to ensure responsive design. When you need assets, request AI image generation for logos, icons, and illustrations.
How do I connect external services for email/SMS reminders, analytics, or third‑party APIs?
Mention SendGrid for emails, Twilio for SMS, or Slack for chat notifications, and the Agent will handle the API integration. Add your API keys via the Secrets manager, and it can consult Web Search to follow current docs. You can also connect any analytics or third‑party endpoint by exchanging JSON with their APIs.
Does this include drag‑and‑drop building for the whole app?
Replit offers a Visual Editor with light drag-and-drop for UI tweaks, but it isn’t a full no‑code builder. The platform favors a code-first workflow where backend logic and state management are implemented in code. Use AI to generate and modify that code quickly.
How do I deploy and share my fitness app, including a custom domain?
Click Deploy to publish to Replit’s cloud hosting, then attach a custom domain with connection encryption (HTTPS). Share live links from the real-time preview, collaborate with teammates in the same project, and manage updates from the mobile app. Deployments are fast and repeatable.