Find answers to common questions, get troubleshooting tips, and reach out to our support team
Valix uses a technology called remote photoplethysmography (rPPG). Your phone's camera detects subtle changes in skin color caused by blood flow changes. Our algorithms analyze these color variations to estimate your heart rate and blood pressure.
For best results:
Valix provides estimates for wellness purposes only. Accuracy varies based on lighting conditions, movement, and individual characteristics. While many users find results helpful for tracking trends, Valix is not a medical device and should not be used for medical diagnosis.
This usually happens when:
Try improving lighting conditions, staying still, and ensuring your face is clearly visible.
Try these solutions:
To enable Apple Health sync:
Note: You'll need to grant permission for both heart rate and blood pressure data.
All your health data is stored locally on your device. No data is sent to our servers or third parties. Only you have access to your measurements. If you enable Apple Health sync, data is shared only with Apple Health on your device.
Yes! You can export all your measurement history from the Settings screen. Tap "Export All Data" to receive a CSV file with your complete measurement history that you can save or share.
No. The camera feed is processed in real-time and is not recorded or stored. Only the numerical measurement results are saved to your device.
Our support team is here to assist you
Quick help within the app
Settings → Support
Last updated: February 2026
Valix is designed with privacy as a core principle. We do not collect, store, or transmit any personal health data. All measurements are processed and stored locally on your device.
The camera is used only during active measurements. Camera feed is processed in real-time and is not recorded, stored, or transmitted. No images or videos are saved by the app.
Your measurement history is stored locally on your device using iOS secure storage. You have full control over this data and can export or delete it at any time.
If you choose to enable Apple Health integration, measurement data is shared only with the Apple Health app on your device. This integration is optional and requires your explicit permission.
All data is encrypted using iOS standard encryption methods. No data is transmitted to our servers or any third-party services.
You have the right to access, export, and delete all your data at any time through the app settings.
Last updated: January 2024
By using Valix, you agree to these terms and conditions.
Valix is intended for wellness and informational purposes only. It is not a medical device and should not be used for medical diagnosis, treatment, or prevention of any disease.
Measurements provided by Valix are estimates and may not be accurate. Do not make medical decisions based on Valix readings. Consult healthcare professionals for medical concerns.
You are responsible for using the app as intended and for seeking professional medical advice when needed.
Valix is not liable for any decisions made based on app readings or any consequences arising from app usage.
We reserve the right to modify or discontinue the service at any time.
Valix is NOT a medical device.
The measurements and information provided by Valix are for wellness and informational purposes only. They are not intended to be used for:
Do NOT use Valix to:
If you experience any of the following, seek immediate medical attention:
Always consult with a qualified healthcare professional for:
By using Valix, you acknowledge and agree that you have read, understood, and agree to this disclaimer. You assume full responsibility for how you use the information provided by the app.