PRD
AuraTrain Product Requirements Document
Table of Contents
- App Overview and Objectives
- Target Audience
- Core Features and Functionality
- Technical Stack Recommendations
- Conceptual Data Model
- UI Design Principles
- Security Considerations
- Development Phases and Milestones
- Potential Challenges and Solutions
- Future Expansion Possibilities
App Overview and Objectives
Product Vision
Transform fitness trainers into technology-empowered professionals who effortlessly retain clients and scale their businesses through a smart, branded SaaS platform.
Primary Objectives
- Market Penetration: Capture 30% of the personal trainer market in Israel
- Client Retention: Increase trainer client retention beyond the typical 3-month churn rate by 20%+
- Business Scaling: Enable fitness trainers to manage 10x their current client volume without quality degradation
- Technology Modernization: Replace outdated PDF/Excel-based client management with automated, intelligent systems
Value Proposition
AuraTrain provides fitness trainers with a comprehensive SaaS platform featuring:
- 24/7 automatic progress tracking acting as a personal assistant
- Branded mobile apps for professional differentiation
- Gamification and community-building features for client engagement
- Scalable technology infrastructure supporting business growth
Target Audience
Primary Users: Fitness Trainers and Business Owners
Demographics:
- Personal trainers and fitness coaches in Israel
- Small to medium fitness business owners
- Trainers managing 10-50+ clients simultaneously
- Tech-forward professionals seeking competitive differentiation
Pain Points:
- High client churn rates (typical 3-month retention)
- Manual client management using PDFs and Excel spreadsheets
- Inability to provide consistent progress tracking at scale
- Lack of professional digital presence
- Difficulty maintaining client engagement between sessions
Motivations:
- Professional differentiation in competitive market
- Desire to scale business without compromising service quality
- Need for consistent client progress monitoring
- Want to provide premium, engaging client experiences
Secondary Users: Trainer Clients (End Users)
Demographics:
- Individuals working with personal trainers
- Fitness enthusiasts seeking structured programs
- Users comfortable with mobile app experiences
Needs:
- Continuous progress tracking and feedback
- Engaging, motivating fitness experience
- Community interaction and social support
- Professional, branded app experience reflecting trainer quality
Core Features and Functionality
1. Automated Progress Tracking Engine
Description: 24/7 automatic monitoring and analysis of client fitness progress
Technical Considerations:
- Real-time data processing capabilities
- Integration with fitness tracking APIs (Apple Health, Google Fit, Fitbit)
- Machine learning algorithms for pattern recognition
- Fallback manual input system for edge cases
Acceptance Criteria:
- System maintains 99.9% uptime for continuous tracking
- Automatic data sync across all connected devices within 5 seconds
- Progress reports generated daily with personalized insights
- Manual input available when automated tracking unavailable
- Historical data retention for minimum 2 years
Data Requirements:
- Workout sessions (duration, intensity, exercises performed)
- Biometric data (weight, body measurements, heart rate)
- Nutrition intake (calories, macronutrients, meal timing)
- Sleep patterns and recovery metrics
- Progress photos and body composition changes
2. Branded Trainer Apps
Description: White-label mobile applications allowing trainers to maintain professional brand identity
Technical Considerations:
- Multi-tenant architecture supporting custom branding
- Dynamic theme engine for colors, logos, and styling
- App store deployment automation for trainer-specific apps
- Content management system for trainer customization
Acceptance Criteria:
- Trainers can upload logo, choose brand colors, and customize app name
- Brand consistency maintained across all client touchpoints
- App generation and deployment process completed within 48 hours
- Support for custom domains and trainer-specific URLs
- Professional onboarding materials auto-generated with trainer branding
3. Client Management Dashboard
Description: Comprehensive trainer interface for managing multiple clients efficiently
Technical Considerations:
- Real-time dashboard with client overview widgets
- Advanced filtering and search capabilities
- Bulk action support for multiple client management
- Integration with calendar and scheduling systems
Acceptance Criteria:
- Dashboard loads all client data within 3 seconds
- Support for minimum 100 active clients per trainer account
- Real-time notifications for client milestones and alerts
- Exportable reports in PDF and Excel formats
- Mobile-responsive design for on-the-go access
Client Management Features:
- Individual client profiles with complete history
- Progress tracking with visual charts and trends
- Communication tools (messaging, video calls)
- Workout and nutrition plan assignment
- Goal setting and milestone tracking
4. Gamification and Community System
Description: Engagement features to improve client retention through social interaction and achievement systems
Technical Considerations:
- Points and badge system with configurable rules
- Social features with privacy controls
- Push notification system for engagement
- Analytics tracking for engagement metrics
Acceptance Criteria:
- Achievement system with 20+ badge types
- Client-to-client interaction features (optional trainer control)
- Leaderboards with privacy settings
- Challenge creation and participation system
- Social sharing integration (Instagram, Facebook)
5. Workout and Nutrition Plan Builder
Description: Tools for creating, customizing, and assigning personalized fitness and nutrition programs
Technical Considerations:
- Template library with 500+ pre-built exercises
- Drag-and-drop plan creation interface
- Integration with nutrition databases (USDA Food Database)
- Video and image support for exercise demonstrations
Acceptance Criteria:
- Plan creation completed within 15 minutes for experienced trainers
- Exercise library searchable by muscle group, equipment, difficulty
- Nutrition plans with macro and calorie calculations
- Plan versioning and modification history
- Client feedback integration for plan adjustments
6. Analytics and Reporting System
Description: Business intelligence tools providing trainers with client insights and business metrics
Technical Considerations:
- Data warehouse for historical analytics
- Machine learning for predictive insights
- Customizable dashboard widgets
- Automated report generation and distribution
Acceptance Criteria:
- Client retention prediction with 80%+ accuracy
- Business performance dashboards with key metrics
- Automated monthly business reports
- Client progress reports with visual trend analysis
- Churn risk alerts with recommended interventions
Technical Stack Recommendations
Frontend Development
Recommended: React Native with TypeScript
- Rationale: Single codebase for iOS/Android, strong community support, suitable for complex UI requirements
- Alternative: Native development (Swift/Kotlin) for maximum performance if needed
Backend Development
Recommended: Node.js with Express.js and TypeScript
- Rationale: JavaScript ecosystem consistency, excellent for real-time features, strong scalability
- Database: PostgreSQL for relational data, Redis for caching and real-time features
Cloud Infrastructure
Recommended: AWS with the following services:
- Compute: ECS Fargate for containerized applications
- Storage: S3 for media files, RDS for PostgreSQL
- Real-time: ElastiCache Redis for real-time tracking
- CDN: CloudFront for global content delivery
- Monitoring: CloudWatch and DataDog for comprehensive monitoring
Third-Party Integrations
- Payment Processing: Stripe for subscription billing
- Authentication: Auth0 for OAuth and social logins
- Push Notifications: OneSignal for cross-platform notifications
- Email: SendGrid for transactional emails
- Analytics: Mixpanel for user behavior tracking
- Health Data: Apple HealthKit, Google Fit APIs
- Video: Twilio Video for trainer-client calls
Development Tools
- Version Control: Git with GitHub
- CI/CD: GitHub Actions
- Testing: Jest for unit tests, Cypress for E2E testing
- Documentation: Swagger for API documentation
- Project Management: Jira with Agile workflows
Conceptual Data Model
User Management
Trainer Entity:
- trainer_id (UUID, Primary Key)
- email (String, Unique, Required)
- name (String, Required)
- business_name (String)
- brand_settings (JSON - colors, logo_url, custom_domain)
- subscription_plan (Enum: free, professional, enterprise)
- created_at (Timestamp)
- last_active (Timestamp)
Client Entity:
- client_id (UUID, Primary Key)
- trainer_id (UUID, Foreign Key)
- email (String, Unique, Required)
- name (String, Required)
- phone (String)
- date_of_birth (Date)
- profile_image_url (String)
- emergency_contact (JSON)
- created_at (Timestamp)
- status (Enum: active, paused, churned)
Progress Tracking
ProgressEntry Entity:
- entry_id (UUID, Primary Key)
- client_id (UUID, Foreign Key)
- data_type (Enum: workout, nutrition, biometric, photo)
- data_payload (JSON - flexible structure per type)
- recorded_at (Timestamp)
- source (Enum: automatic, manual, device_sync)
- verified (Boolean)
WorkoutSession Entity:
- session_id (UUID, Primary Key)
- client_id (UUID, Foreign Key)
- workout_plan_id (UUID, Foreign Key)
- start_time (Timestamp)
- end_time (Timestamp)
- exercises_completed (JSON Array)
- calories_burned (Integer)
- notes (Text)
Content Management
WorkoutPlan Entity:
- plan_id (UUID, Primary Key)
- trainer_id (UUID, Foreign Key)
- name (String, Required)
- description (Text)
- difficulty_level (Enum: beginner, intermediate, advanced)
- exercises (JSON Array)
- estimated_duration (Integer - minutes)
- created_at (Timestamp)
- is_template (Boolean)
Exercise Entity:
- exercise_id (UUID, Primary Key)
- name (String, Required)
- muscle_groups (Array)
- equipment_needed (Array)
- instructions (Text)
- demo_video_url (String)
- difficulty_level (Enum)
Engagement System
Achievement Entity:
- achievement_id (UUID, Primary Key)
- name (String, Required)
- description (Text)
- badge_image_url (String)
- criteria (JSON - achievement unlock conditions)
- points_value (Integer)
ClientAchievement Entity:
- client_id (UUID, Foreign Key)
- achievement_id (UUID, Foreign Key)
- earned_at (Timestamp)
- points_awarded (Integer)
Challenge Entity:
- challenge_id (UUID, Primary Key)
- trainer_id (UUID, Foreign Key)
- name (String, Required)
- description (Text)
- start_date (Date)
- end_date (Date)
- participants (Array of client_ids)
- challenge_type (Enum: workout_streak, weight_loss, steps)
UI Design Principles
Design Philosophy
Professional Simplicity: Clean, modern interface that conveys professionalism while remaining intuitive for users of varying technical skill levels.
Trainer Dashboard Design
Key Principles:
- Data Density with Clarity: Present comprehensive client information without overwhelming the interface
- Action-Oriented Layout: Primary actions (add client, create plan, view progress) prominently accessible
- Responsive Grid System: Consistent layout across desktop, tablet, and mobile devices
- Brand Consistency: Maintain trainer's brand colors and styling throughout interface
Layout Structure:
- Header with trainer branding and quick navigation
- Sidebar navigation with collapsible menu for mobile
- Main content area with contextual widgets and data visualizations
- Quick action floating button for common tasks
Client Mobile App Design
Key Principles:
- Motivational First: Progress and achievements prominently displayed
- Seamless Tracking: Minimal friction for logging workouts and progress
- Community Integration: Social features naturally integrated without overwhelming core functionality
- Accessibility: WCAG 2.1 AA compliance for inclusive design
User Experience Flow:
- Home Screen: Daily summary, next workout, recent achievements
- Workout Interface: Step-by-step exercise guidance with timer and tracking
- Progress Section: Visual charts, photo comparisons, milestone tracking
- Community Tab: Challenges, leaderboards, trainer communication
- Profile/Settings: Personal information, app preferences, privacy controls
Visual Design Standards
Color Palette:
- Primary: Trainer-customizable brand colors
- Secondary: Neutral grays for backgrounds and text
- Accent: Success green, warning orange, error red
- Data Visualization: Colorblind-friendly palette for charts
Typography:
- Headers: System font (SF Pro on iOS, Roboto on Android) for platform consistency
- Body: Same system font with appropriate weight variations
- Data: Monospaced font for numerical data and timestamps
Component Library Requirements:
- Reusable UI components with consistent styling
- Dark mode support for better user experience
- Loading states and skeleton screens for perceived performance
- Error states with clear recovery actions
Security Considerations
Data Protection and Privacy
Health Data Compliance:
- GDPR compliance for EU users (future expansion consideration)
- HIPAA-aligned practices for health information handling
- Data encryption at rest (AES-256) and in transit (TLS 1.3)
- User consent management for data collection and sharing
Personal Data Handling:
- Minimal data collection principle - only collect necessary information
- User data deletion capabilities (right to be forgotten)
- Data anonymization for analytics and machine learning
- Clear privacy policy and terms of service
Authentication and Authorization
Multi-Factor Authentication:
- SMS-based verification for account creation
- App-based TOTP support for enhanced security
- Biometric authentication where available (Face ID, fingerprint)
Access Control:
- Role-based permissions (trainer, client, admin)
- API rate limiting to prevent abuse
- Session management with automatic timeout
- OAuth 2.0 integration for social logins
Infrastructure Security
Application Security:
- Regular security audits and penetration testing
- Dependency vulnerability scanning
- SQL injection and XSS prevention
- Input validation and sanitization
Cloud Security:
- AWS security best practices implementation
- VPC network isolation
- Regular backup and disaster recovery testing
- Monitoring and alerting for security events
Client Data Isolation
Multi-Tenant Security:
- Strict data isolation between trainer accounts
- Client data accessible only by assigned trainer
- Audit logging for all data access
- Secure data sharing controls for community features
Development Phases and Milestones
Phase 1: Foundation Strengthening (Months 1-3)
Sprint 1-2: Core Platform Optimization
- Week 1-2: Automated tracking engine enhancement
- Improve data sync reliability to 99.9% uptime
- Implement intelligent fallback to manual input
- Add support for additional fitness device APIs
- Week 3-4: Client retention analytics development
- Build predictive churn models using existing data
- Create early warning system for at-risk clients
- Develop intervention recommendation engine
Sprint 3-4: User Experience Enhancement
- Week 5-6: Mobile app performance optimization
- Reduce app launch time by 40%
- Implement offline data capture with sync
- Enhance progress visualization components
- Week 7-8: Trainer dashboard improvements
- Add bulk client management actions
- Implement advanced filtering and search
- Create customizable dashboard widgets
Sprint 5-6: App Store Optimization
- Week 9-10: ASO implementation and A/B testing
- Optimize app store listing for better discovery
- Implement in-app feedback collection system
- Create onboarding tutorial based on user research
- Week 11-12: Customer success program launch
- Develop automated customer health scoring
- Create trainer success playbooks and resources
- Implement proactive support outreach system
Phase 1 Success Metrics:
- Customer satisfaction >4.5/5 stars
- Automated tracking usage >85% of active users
- Client retention improvement >20% over baseline
- App Store rating improvement to 4.0+
Phase 2: Distribution Expansion (Months 4-6)
Sprint 7-8: Enterprise Sales Channel
- Week 13-14: Direct sales platform development
- Build enterprise customer portal
- Create pricing and packaging for business clients
- Develop sales collateral and demo environments
- Week 15-16: White-label MVP development
- Implement basic trainer branding capabilities
- Create automated app generation pipeline
- Build trainer onboarding for branded apps
Sprint 9-10: Partnership Integration
- Week 17-18: Strategic partnership program
- Integrate with 2-3 major fitness equipment providers
- Develop partner portal and co-marketing materials
- Create referral tracking and commission system
- Week 19-20: Third-party platform connections
- Integrate with popular fitness platforms (MyFitnessPal, Strava)
- Build webhook system for real-time data sync
- Implement SSO for enterprise customers
Sprint 11-12: International Preparation
- Week 21-22: Localization framework
- Implement multi-language support infrastructure
- Create content management system for translations
- Develop region-specific feature toggles
- Week 23-24: Market research and expansion planning
- Complete target market analysis for 2-3 countries
- Develop go-to-market strategy for international expansion
- Create regulatory compliance framework
Phase 2 Success Metrics:
- 2+ active distribution channels beyond App Store
- 25% of revenue from non-App Store sources
- 3+ strategic partnerships established and active
- White-label platform supporting 10+ trainer brands
Phase 3: Market Scaling (Months 7-12)
Sprint 13-16: Advanced Platform Features
- Month 7: AI-powered recommendations engine
- Implement machine learning for workout suggestions
- Create personalized nutrition recommendations
- Develop adaptive training plan modifications
- Month 8: Advanced analytics and business intelligence
- Build comprehensive trainer business dashboards
- Implement advanced reporting and forecasting
- Create competitive benchmarking features
Sprint 17-20: Geographic and Market Expansion
- Month 9: International market entry
- Launch in 1-2 additional markets (target: UK, Germany)
- Localize app and marketing materials
- Establish local support and sales presence
- Month 10: Enterprise product suite completion
- Full white-label solution with advanced customization
- Enterprise admin controls and user management
- Advanced security and compliance features
Sprint 21-24: Market Leadership and Optimization
- Month 11: Platform maturity and reliability
- Implement advanced monitoring and alerting
- Enhance security with additional compliance certifications
- Develop disaster recovery and business continuity plans
- Month 12: Strategic positioning and future planning
- Establish thought leadership through industry content
- Complete competitive analysis and market positioning
- Develop 2026 product roadmap and expansion strategy
Phase 3 Success Metrics:
- 15%+ Israeli market penetration achieved
- Enterprise customer base with 5+ major fitness chains
- Platform supporting 5x current user volume
- 25%+ progress toward 30% market share goal
- International presence established in 2+ countries
Potential Challenges and Solutions
Technical Challenges
Challenge 1: Real-Time Data Synchronization at Scale
- Risk: Performance degradation as user base grows, data sync conflicts
- Solution: Implement event-driven architecture with message queues (AWS SQS/SNS)
- Implementation: Use eventual consistency patterns, implement conflict resolution algorithms
- Monitoring: Real-time sync performance dashboards, automated alerting for sync failures
Challenge 2: Multi-Tenant Data Isolation
- Risk: Data leakage between trainer accounts, security vulnerabilities
- Solution: Implement row-level security (RLS) in PostgreSQL, strict API authentication
- Implementation: Database-level tenant isolation, comprehensive audit logging
- Testing: Regular security penetration testing, automated data isolation verification
Challenge 3: Mobile App Performance with Offline Capabilities
- Risk: Poor user experience during connectivity issues, data loss
- Solution: Implement comprehensive offline-first architecture with smart sync
- Implementation: Local SQLite database, conflict resolution on sync, progressive data loading
- User Experience: Clear offline indicators, seamless transition between online/offline modes
Business Challenges
Challenge 4: Customer Acquisition Cost in Competitive Market
- Risk: High CAC making unit economics unsustainable
- Solution: Focus on product-led growth, referral programs, strategic partnerships
- Implementation: Built-in viral features, trainer incentive programs, content marketing
- Measurement: Track CAC by channel, optimize for highest lifetime value segments
Challenge 5: International Expansion Complexity
- Risk: Resource dilution, regulatory compliance issues, cultural misalignment
- Solution: Phased expansion with thorough market research, local partnerships
- Implementation: Localization platform, regulatory compliance framework, local market validation
- Risk Mitigation: Start with English-speaking markets, pilot programs before full launch
Challenge 6: Enterprise Sales Cycle Length
- Risk: Long sales cycles impacting cash flow and growth targets
- Solution: Freemium model for faster adoption, comprehensive trial programs
- Implementation: Self-service onboarding, automated demo environments, clear ROI demonstration
- Acceleration: Reference customers, case studies, thought leadership content
Operational Challenges
Challenge 7: Customer Support Scaling
- Risk: Support quality degradation as user base grows
- Solution: Comprehensive self-service capabilities, AI-powered support tools
- Implementation: Knowledge base, in-app help system, chatbot for common queries
- Quality Assurance: Customer satisfaction tracking, support team training programs
Challenge 8: Feature Complexity vs. Usability
- Risk: Feature bloat making product difficult to use
- Solution: User-centric design process, regular usability testing, progressive disclosure
- Implementation: Feature flagging system, user feedback integration, A/B testing framework
- Balance: Focus on core use cases, advanced features as opt-in capabilities
Future Expansion Possibilities
Geographic Expansion Strategy
Phase 1 International Markets (Year 2):
- United Kingdom: English-speaking market, strong fitness industry
- Germany: Large market, high technology adoption
- Australia: Similar market characteristics to current success
Phase 2 Markets (Year 3):
- Canada: Natural expansion for North American presence
- Netherlands: Tech-forward market, English proficiency
- France: Major European market opportunity
Implementation Requirements:
- Localization infrastructure for multiple languages
- Regional payment method integration
- Local partnership development
- Regulatory compliance framework
Vertical Market Expansion
Physical Therapy and Rehabilitation
- Leverage existing progress tracking for medical applications
- Partner with healthcare providers and insurance companies
- Implement medical compliance (HIPAA, GDPR health data provisions)
- Add specialized exercise libraries for rehabilitation
Corporate Wellness Programs
- Enterprise B2B sales to large corporations
- Integration with HR systems and employee benefits platforms
- Bulk licensing and administration tools
- Wellness challenge and team-building features
Sports Team and Athlete Management
- Advanced performance analytics for competitive athletes
- Team management and coaching collaboration tools
- Integration with sports performance measurement devices
- Competition preparation and periodization features
Technology Evolution Opportunities
Artificial Intelligence and Machine Learning
- Predictive Analytics: Advanced client outcome prediction
- Personalized Coaching: AI-powered workout and nutrition recommendations
- Computer Vision: Automated form correction through video analysis
- Natural Language Processing: Automated client communication and support
Virtual and Augmented Reality Integration
- Virtual Training Sessions: Remote personal training with VR
- AR Form Correction: Real-time exercise form feedback
- Immersive Experiences: Gamified workout environments
- Remote Presence: Trainer "presence" during client workouts
Internet of Things (IoT) Integration
- Smart Gym Equipment: Direct integration with connected fitness equipment
- Wearable Ecosystem: Comprehensive health data from multiple devices
- Environmental Integration: Smart home gym optimization
- Biometric Monitoring: Advanced health monitoring and analysis
Platform Evolution Strategy
Marketplace Development
- Third-party trainer app marketplace
- Certified trainer network and referral system
- Specialized program marketplace (nutrition plans, workout programs)
- Equipment and supplement integration with e-commerce
API Platform Strategy
- Public API for third-party developers
- Integration marketplace for fitness industry tools
- White-label platform for larger fitness organizations
- Developer ecosystem and certification program
Data and Analytics Platform
- Aggregated industry insights and benchmarking
- Research partnership opportunities with academic institutions
- Anonymous data insights for fitness industry trends
- Predictive health and fitness analytics services
Conclusion
This PRD establishes the foundation for transforming AuraTrain from a promising startup into a market-leading fitness technology platform. The structured approach across three development phases addresses immediate technical and business challenges while building toward ambitious long-term goals.
Key Success Factors:
- Customer-Centric Development: Continuous feedback integration and user experience optimization
- Technical Excellence: Robust, scalable architecture supporting rapid growth
- Strategic Partnerships: Leveraging industry relationships for accelerated market penetration
- Data-Driven Growth: Analytics-powered decision making and client retention optimization
Immediate Next Steps:
- Validate technical architecture decisions with development team
- Prioritize Phase 1 features based on customer feedback analysis
- Establish development workflow and quality assurance processes
- Begin technical debt assessment and optimization planning
This PRD serves as a comprehensive guide for the development team while maintaining flexibility to adapt based on market feedback and emerging opportunities. Regular reviews and updates will ensure alignment with business objectives and market dynamics.