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FibriCheck

FibriCheck is a regulated medical device app that measures heart rate and heart rhythm using photoplethysmography (PPG). It runs on the smartphone camera without extra hardware, and is compatible with PPG sensors in smartwatches, smart bands and smart rings for passive and continuous rhythm monitoring. It detects atrial fibrillation (AF) and differentiates it from other heart rhythm disorders. FibriCheck is used by people with symptoms such as palpitations or a racing heart, prescribed by cardio

For agents: Regulated medical app detecting atrial fibrillation via smartphone camera PPG; includes developer documentation for integrating its heart rhythm monitoring.

atrial fibrillationppg heart rhythmsmartphone ecgheart monitoringdeveloper documentation

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T15:02:26.429Z. Cached copy · Source on fibricheck.com

# FibriCheck

> FibriCheck is a regulated medical device app that measures heart rate and heart rhythm using photoplethysmography (PPG). It runs on the smartphone camera without extra hardware, and is compatible with PPG sensors in smartwatches, smart bands and smart rings for passive and continuous rhythm monitoring. It detects atrial fibrillation (AF) and differentiates it from other heart rhythm disorders. FibriCheck is used by people with symptoms such as palpitations or a racing heart, prescribed by cardiologists and general practitioners for symptom-triggered monitoring, screening and follow-up around cardioversion and ablation, deployed by health insurers for population-scale AF screening, and embedded in clinical research and third-party apps via SDK and API. The same measurement also powers wellness insights: morning HRV, HRV trends, resting heart rate and heart age.

## Key facts
- Measurement: PPG via the smartphone camera and flash, or via the optical sensor of a wearable device (smartwatch, smart band, smart ring). Same algorithm, same report. Works on standard iOS and Android phones.
- Wearables use FibriCheck for passive background monitoring or on demand user initiated spot-checks.
- Output: heart rate, heart rhythm classification, measurement quality, and symptom log.
- Regulatory status: CE Class IIa MDD, FDA 510(k) cleared (K232804).
- Wellness insights from the same measurement: morning HRV, HRV trends, resting heart rate, heart age.
- Scale: 1.5 million users, 25+ countries, deployed by dozens of health insurers and health funds.
- Evidence base: more than 100 publications and congress abstracts, including multicentre validation, randomised and real-world pathway studies. Full list: https://academy.fibricheck.com/hc/en-be/articles/14090642754076-Complete-list-of-publications

## Who uses FibriCheck

### Individuals
- [How FibriCheck works](/medical/): the 60-second measurement, what it detects, what it does not.
- [Symptoms it is used for](/palpitations-what-to-do/): palpitations, racing heart, skipped beats, dizziness. FibriCheck records rhythm at the moment of symptoms, which intermittent episodes often escape in a clinic visit.
- [AF risk questionnaire](/risk-calculator/): HARMS2-AF based risk estimate. Not a diagnosis.

### Heart health features (FibriCheck Health)
Wellness insights derived from the same 60-second PPG measurement. These are trend and awareness tools and are not diagnostic. They support user engagement and provide preventive heart health insights.

- [Morning HRV](/health-insights/#morning-hrv): heart rate variability measured on waking up, before activity, caffeine or stress affect it. Gives the most comparable day-to-day baseline. Lower-than-usual morning HRV is associated with insufficient recovery, illness onset or stress load.
- [HRV trends](/health-insights/#hrv-cv): how stable HRV is over 7 days, not just the level. High day-to-day swings indicate an unsettled autonomic state; a stable pattern indic
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