Train Smarter,
Not Harder.
Stop guessing with your health. TWAI is the first personal AI coach that deeply integrates with Apple Health to understand your body's unique signals. It doesn't just track data—it interprets it, giving you actionable advice, recovery insights, and adaptive training plans that evolve with you.
Your Personal AI Trainer
Chat naturally with an AI that knows your workout history, sleep quality, and recovery status. Ask for advice on today's training, plan your week based on your schedule, or just get the motivation you need to lace up your shoes.
Forget generic plans. Your AI trainer adapts to your fatigue, stress, and progress. Whether you need a drill sergeant or a supportive friend, TWAI adjusts its style to what motivates you best.
Privacy First
Your health data is sensitive, and we treat it that way. We support local LLMs running directly on your device for complete privacy, or secure cloud processing via OpenAI.
Apple Health Sync
Seamless integration with HealthKit means no manual entry. We analyze your steps, heart rate, sleep stages, HRV, and workouts automatically to build a complete picture of your health.
Personalized Training Plan
AI generates a training plan tailored to your goals, available time, and current fitness level. A monthly calendar view lets you plan ahead and flexibly modify each day.
Deep Analytics
Go beyond step counting. We calculate advanced metrics like TRIMP scores, Heart Rate Zones, and recovery trends instantly to prevent overtraining and maximize gains.
Full Control Over Your Training
Discover all the tools to help you reach your goal.
AI Trainer Chat
Talk naturally with AI that knows your training history and health data. Voice input and speech synthesis.
- HealthKit analysis
- Personalized advice
- Chat history
Quick Actions
Launch predefined prompts with one click. Create custom actions tailored to your needs.
- Assess current status
- Workout analysis
- Custom prompts
Dashboard
Visual panel with key health and training metrics at a glance.
- Training readiness
- Sleep quality & recovery
- 14-day trends
Journal & Routines
Track well-being and build healthy habits. AI and user notes in one place.
- Daily notes
- Routines system
- Completion stats
Training Plan
Generate personalized AI plans or create your own. Monthly calendar with full control.
- AI generation
- Manual planning
- Progress tracking
User Profile
AI remembers your goals, injuries and preferences. Everything adapted to you.
- Training goals
- Physical parameters
- Long-term memory
Choose Your Plan
Flexible options for every stage of your fitness journey.
Free
- Basic AI model
- 7 days chat history
- 1 custom action
- 2 TWAI AI requests daily (promo, target: 1)
- +15 via rewarded ads
- Own API key = unlimited
Plus
- Enhanced AI - smarter than Free
- 14 days chat & data history
- 10 custom actions
- 10 TWAI AI requests daily
- +15 via rewarded ads
- No banners (rewarded ads still available)
- Prompt editing
- AI Personalities
- Own API key = unlimited
Pro
- Latest AI - best analysis quality
- Maximum context
- 30 custom actions
- 20 TWAI AI requests daily
- +15 via rewarded ads
- No banners (rewarded ads still available)
- Prompt editing
- AI Personalities
- Continue conversations from previous days
- Own API key = unlimited
TrainerPro
- Latest AI - best analysis quality
- Maximum context
- 50 custom actions
- 30 TWAI AI requests daily
- +15 via rewarded ads
- Client profiles
- Data export
- AI Personalities
- Full management
- Own API key = unlimited
Tip: All plans allow connecting your own API key (OpenAI/Gemini) for unlimited requests.
Connect Your Data
Getting started is effortless. Securely connect TWAI to Apple Health with a single tap. We instantly analyze your historical data to understand your baseline fitness, sleep patterns, and activity levels.
- ✓ Instant HealthKit Sync
- ✓ Secure & Private
- ✓ Historical Analysis
Track Your Readiness
See your daily training readiness at a glance. TWAI calculates your optimal performance zones based on heart rate variability, sleep quality, and recovery status.
Know exactly when to push hard and when to take it easy.
Keep a Journal
Record daily notes about how you feel, your mood, and progress. AI analyzes your entries and draws conclusions you wouldn't notice on your own.
Discover hidden patterns between sleep, stress, and training performance.
Build Your Routines
A simple system for tracking daily habits. Create your own routines and track completion with one click – morning warm-up, stretching, hydration.
Build healthy habits step by step and watch your progress over time.
Choose Your Trainer
Not everyone needs a drill sergeant. Choose an AI personality that motivates you – demanding coach, supportive mentor, or analytical advisor.
Your trainer will adapt its communication style to your preferences.
Chat with Your Coach
Have a question? Just ask. "I'm feeling tired today, what should I do?" or "Plan a 5k training schedule for me."
Your AI coach is available 24/7 to guide you, adjust your plans, and keep you accountable.
Start Your Journey
...and much more
TWAI is a complete tool for your health and fitness.
- Actions – define your own repeatable analyses with one click
- Training Readiness – analyze how your fitness changes based on your parameters
- AI Plans – generate workouts tailored to your abilities and previous activity
- Your Own LLM – use your own AI model (OpenAI, Gemini, local)
- Data Export – export to CSV or integrate with Home Assistant