Pi Fitness
Portable AI Personal Trainer
Only for iPhone
Free · In‑App Purchases
iPhone
Pi Fitness 2.1.0: New Courses, Pi Points, VIP Subscriptions, and Upgraded AI Pose Detection. Train smarter with our biggest update yet!
AI-Powered Smart Fitness Platform
An extensive library of standardized exercises supporting both freestyle workouts and real-time guided training modes. Pi Fitness integrates professional movement coaching, AI-powered posture correction, and multi-dimensional training analytics for visualized training outcomes.
Pi Fitness — Your Portable AI Fitness Personal Trainer
Pi Fitness is an intelligent fitness app that combines motion recognition, real-time form correction, data tracking, and personalized training plans. Going beyond traditional video-based instruction, our AI technology powers every workout by precisely analyzing your movements, providing instant feedback and professional guidance. Whether you're training at home or at the gym, enjoy personal trainer-level coaching anytime, anywhere.
KEY FEATURES
1. Real-Time AI Form Correction — Reduce Injury Risk Your smartphone camera becomes your personal coach. During workouts, the AI instantly detects form deviations, posture errors, and unstable movements—providing real-time corrections to help you avoid compensatory patterns and injuries. Make every rep count with precise, effective execution.
2. Extensive Professional Exercise Library — Complete Coverage Access hundreds of standardized exercises covering bodyweight, dumbbells, resistance bands, and professional equipment. Each movement includes HD demonstration videos, step-by-step breakdowns, key engagement points, and common mistakes to avoid. From foundational form to advanced techniques, master proper execution even as a complete beginner.
3. Flexible Training Modes — Adapted to Your Style
- Freestyle Mode: Customize your own workouts by selecting exercises, sets, and repetitions. Design training routines that match your personal goals.
- Guided Mode: Follow along with synchronized training sessions for an immersive experience. Stay motivated and complete full workouts with ease.
4. Professional Training Reports — Visualize Your Progress After each session, receive a comprehensive analysis report: form accuracy, power output, fatigue level, stability, and range of motion (ROM)—all clearly presented. Track your progress with detailed charts and see every improvement over time.
Why Choose Pi Fitness? No need to book expensive personal trainers or be limited by gym access. One phone is all you need to start your professional fitness journey. From learning individual exercises and custom workouts to structured programs and long-term planning—Pi Fitness supports every stage of your physical development. By combining advanced AI technology with professional fitness content, we make training safer, more precise, and your progress entirely visible.
Perfect For:
- Fitness Beginners: Learn proper form systematically from day one and build confidence.
- Home Workout Enthusiasts: Achieve gym-level results with no equipment or minimal gear.
- Advanced Athletes: Break through plateaus with data-driven insights and biomechanical tracking.
- Posture & Mobility Seekers: Correct movement compensations, improve range of motion, and move pain-free.
Privacy Policy: https://www.pi-fitness.com/static/privacy-policy_en.html
Terms of Use (EULA): https://www.pi-fitness.com/static/user-agreement_en.html
Major Update: Courses, Pi Points, and VIP Subscriptions!
Introducing Courses: Transform your routine with structured workout programs. Explore the new Course Home, detailed exercise guides, and professional curriculum designed for all levels.
New Training Experience: Enjoy a seamless workout flow with action previews, rest timers, and our upgraded Live Pose Detection (now with a "minimized" view).
Points System: Get rewarded for your hard work! Earn Pi Points by checking in daily, completing your profile, and finishing workouts. Use your points to unlock premium courses!
VIP Subscriptions: Go Pro with Pi Fitness VIP. Unlock exclusive programs, advanced biomechanical analytics, and a premium training experience.
Comprehensive Course Training Reports: Detailed post-workout analysis now includes multi-set data and course-specific progress tracking.
The developer, Hangzhou Paishengyuan Technology Co., Ltd., 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Contact Info
- User Content
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Hangzhou Paishengyuan Technology Co., Ltd.
- Size
- 217 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 12.0 or later.
- iPhone
Requires iOS 12.0 or later. - iPod touch
Requires iOS 12.0 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Pi Fitness One-Time 365-Day Pass $119.99
- Pi Fitness One-Time 90-Day Pass $34.99
- Pi Fitness One-Time 30-Day Pass $14.99
- Pi Fitness Yearly Membership $99.99
- Pi Fitness Monthly Membership $12.99
- Pi Fitness Quarterly Membership $29.99
- Copyright
- © 2026 Hangzhou Paishengyuan Technology Co., Ltd.