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Fitness & Wellness

Daily HRV, heart rate, and stress from a 30-second selfie scan. Turn any phone camera into the recovery and readiness sensor your fitness app needs.

Fitness & Wellness

Camera-Based Vitals for Fitness & Wellness Apps

Give your fitness and wellness users daily HRV, heart rate, and stress tracking without wearables. Circadify's rPPG technology turns any smartphone or webcam into a contactless health sensor — a 30-second morning scan is all it takes.

From recovery readiness scores to breathing-exercise feedback, our API delivers the physiologic data your app needs to personalize every workout, rest day, and wellness journey.

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A woman in orange leggings and a white tank top performs sit-ups on a mat in a sun-lit studio, with a fitness tracker visible on her wrist.

Available Metrics for Fitness Apps

Heart Rate

Instantaneous and average BPM measurement

HRV (RMSSD)

Standard HRV metric for recovery and stress

HRV (SDNN)

Overall heart rate variability measure

Respiratory Rate

Breaths per minute from video analysis

Stress Index

Derived score from HRV analysis

Recovery Score

Readiness assessment based on HRV trends

Fitness & Wellness Use Cases

Recovery

Recovery Tracking

Daily morning HRV measurements to assess recovery status and readiness to train. No wearable sleep tracking needed.

Morning Readiness

Quick daily check-ins give users a readiness score based on resting heart rate and HRV.

Training Load

Monitor how training affects HRV trends over time. Help users optimize training and avoid overtraining.

Wellness

Stress Assessment

HRV-based stress scores help users understand their stress levels and track improvement.

Pre/Post Workout

Compare vital signs before and after exercise to quantify workout intensity and recovery.

Breathing Exercises

Real-time feedback during guided breathing and meditation. See impact on heart rate and HRV instantly.

Developer-Ready

Rich Data for Fitness Apps

A single API call returns everything your app needs to power recovery dashboards, readiness scores, and guided wellness programs.

Heart Rate- Instantaneous and average BPM measurement
HRV (RMSSD)- Standard HRV metric for recovery and stress
HRV (SDNN)- Overall heart rate variability measure
Respiratory Rate- Breaths per minute from video analysis
Stress Index- Derived score from HRV analysis
Recovery Score- Readiness assessment based on HRV trends
// Response from Circadify API
{
  "heartRate": {
    "bpm": 62,
    "confidence": 0.95
  },
  "hrv": {
    "rmssd": 48.2,
    "sdnn": 62.1,
    "stressIndex": 32
  },
  "respiratoryRate": {
    "bpm": 14,
    "confidence": 0.92
  },
  "recoveryScore": 78,
  "readiness": "GOOD"
}

Fitness App FAQ

Common questions from fitness and wellness app developers

Heart rate, heart rate variability (HRV), and respiratory rate are most commonly used. HRV is particularly valuable for recovery tracking, stress assessment, and training load optimization.

Our technology is optimized for resting measurements. For during-workout monitoring, we recommend resting captures before and after exercise. We are developing motion-tolerant algorithms for future releases.

For many use cases, yes. Daily morning HRV, recovery assessments, and wellness tracking work great without wearables. For continuous during-workout monitoring, wearables may still be needed alongside our technology.

We offer SDKs for iOS, Android, and web with clear documentation and sandbox access. Most developers start with our native app for immediate access, then integrate our SDK in days. We provide sample apps and dedicated support.

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