Your PersonalAI Workout Coach
Stop guessing. Start growing. Get personalized workouts with calculated weights based on your strength profile.
* Styrki installed as PWA app on iOS
Get started in 3 simple steps
From sign-up to your first AI-generated workout in under 2 minutes.
Sign up free
Create your account in seconds. No credit card, no trial — it's free.
Set your goals & equipment
Tell us your training goal, experience level, and available equipment.
Get AI-powered workouts
Receive personalized workouts with calculated weights, sets, and reps — ready for the gym.
Built for athletes and beginners
Whether you train for strength, hypertrophy, or general fitness—Styrki adapts.
Intelligent Workout Generation
VOL/MED/INT day types, %1RM intensity targets, and fatigue-based adjustments. Level-based periodization, annual volume tracking, and adaptive learning that personalizes every constant to your body.
AI Workout Generation
Elite Strength Architecture adapts volume and intensity to your experience level—from beginner to elite.
- Level-based volume periodization
- Frequency-adaptive session scaling
- Volume/Medium/Intensity day rotation
- Considers muscle recovery status
Adaptive Learning Engine
Every training constant is personalized to your body. The system learns from your data and gets smarter with every session.
- Personal fatigue recovery rates
- Individual volume tolerance calibration
- Learned deload timing per athlete
- Lift-specific strength curve modeling
Precision Intensity Calculation
Lift-specific formulas calibrated to your personal strength curves — not generic population averages.
- Personal k-value calibration per movement
- Annual volume tracking with level-based targets
- Rolling 12-month progress monitoring
- Home gym equipment configuration
5 Training Goals
Choose your focus — the AI adapts everything to match
Multi-Week Programs
Structured periodized training
- 4, 8, 12, or 16-week programs
- Periodized phases: Base → Building → Peaking
- Built-in deload weeks for recovery
- Auto, Accumulation, Recovery & Peaking modes
Flexible Durations
Workouts that fit your schedule
- Quick sessions: 20-40 minutes
- Normal sessions: 40-60 minutes
- Long sessions: 60-90 minutes
- AI adapts exercises & volume to your time
Advanced Personal Best System
Track every record with our comprehensive 4 PB Categories system (All-Time, Year Best, Current PB, and Relative Strength). Track up to 80+ personal bests per exercise across different rep counts and categories.
4 PB Categories
- Track All-Time, Year Best, Current PB & Relative Strength
- Up to 80+ PBs per exercise (20 rep counts × 4 categories)
- Earn 4 badges simultaneously on a single lift
- First Record detection with special celebration
- History preservation—we never delete your records
Specialized Records
- Weight, Reps, Distance, Time & Height
- Smart bodyweight exercise tracking with effective weight calculation
- Estimated 1RM & Rep Max insights
Recovery & Insights
- Visual muscle recovery indicators
- RPE & Fatigue tracking
- Prevent overtraining with smart alerts
Built for the Gym Floor
Live PB detection with stacked badges, attempt nudges before you complete a set, and celebrations when you hit a PR.
Dynamic Rest Timer
- AI-recommended rest times per exercise
- Sound notification when rest is complete
- +30s button for extra rest, skip when ready
Quick Logging
- Auto-generated warm-up progressions
- Pre-filled weights based on your PRs
- One-tap set completion with instant PB detection
Unlock Achievements as You Progress
Earn achievements for hitting milestones, with fair gender-specific goals and difficulty levels.
Flexible Goals
- Weight, reps, time, distance achievements
- Relative strength goals (2× bodyweight)
- Earn achievements multiple times
Gender-Specific Goals
- Fair competition with gender-specific thresholds
- Appropriately challenging goals for everyone
- Automatic filtering based on your profile
Difficulty Levels
- 10 difficulty levels (1-10) for prestige
- Visual level indicators in UI
- Track your progression through levels
Connect & Share Your Journey
Join a community of athletes, share your workouts, and get inspired by others.
Share Workouts
- Share publicly, with friends, or keep private
- Generate shareable links for public workouts
- Control visibility per workout
Community Feed
- Discover workouts from other athletes
- Like and comment on shared workouts
- Filter by muscle groups and date
Friends & Connections
- Send and accept friend requests
- See workouts from your friends
- Build your fitness network
Deep Insights Into Your Training
PR timeline, muscle frequency, volume trends, body measurements, and 4-week projections.
Frequency Analysis
See how often you train each muscle group and identify imbalances.
PR Timeline
Visualize all your personal records chronologically with improvements.
Volume Trends
Track volume progression for specific exercises over time.
Body Measurements
Track body composition, measurements, and visualize progress.
Training Insights
- Muscle group frequency tracking
- Days since last trained indicators
- Exercise volume comparison
- PR timeline with improvement tracking
Body Tracking
- Comprehensive measurement tracking
- Body composition metrics
- Visual progress charts
- Historical data with trends
Popular exercises
Browse 600+ exercises with video demos and muscle targeting. Start with the most used by our community.
Stian Walgermo
Founder & Former Elite Powerlifter
14 Years of Elite Experience, Now Your Coach
"I built Styrki to give everyone access to the programming principles that took me to World Championships and European titles."
- 2x European Champion, 13x Norwegian National Champion
- World Championship medalist representing Norway
- 1030kg competition total in the 105kg class
- Real programming knowledge, not generic templates
Frequently Asked Questions
Everything you need to know about Styrki.
Still have questions?
Visit Help CenterReady to Train Smarter?
Join athletes who use AI-powered coaching to break through plateaus and hit new PRs.