Everything You Need to Succeed
Kairos combines exercise science with intelligent technology to deliver a workout experience that adapts to you.
Progressive Overload Engine
The heart of Kairos is its intelligent progression system. Using Rate of Perceived Exertion (RPE) feedback and your workout history, Kairos automatically adjusts weights and reps to ensure you're always training at the optimal intensity.
- RPE-based auto-progression after each set
- Intelligent weight recommendations based on your history
- Automatic deload detection when you need recovery
- Performance trend analysis over time
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90 Curated Programs
Choose from 90 expertly designed 10-week programs across multiple categories. Each program follows periodization principles with structured phases to maximize your results.
- Muscle Building programs for hypertrophy
- Strength programs for power development
- Cardio programs for endurance
- Flexibility programs for mobility
Training Phases
Weeks 1-3
Weeks 4-6
Weeks 7-9
Weeks 10
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400+ Exercise Library
Access a comprehensive library of over 400 exercises, each with detailed form cues and video guidance. The smart substitution system helps you find alternatives when needed.
- Detailed form cues for every exercise
- Video guidance for proper technique
- Equipment-based filtering
- Injury-aware substitutions
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HealthKit Integration
Kairos seamlessly integrates with Apple Health to provide recovery-aware training. Your sleep data, heart rate variability, and activity levels inform workout recommendations.
- Sleep data for recovery optimization
- Heart rate zones for cardio workouts
- Activity tracking sync
- Workout data written back to Health
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Privacy & Security
Your data never leaves your device. Kairos is built with privacy as a core principle, storing all your workout data locally and giving you complete control.
- Local-only data storage
- No cloud servers collecting your data
- GDPR compliant by design
- Full data export and deletion
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