⚠ Not a medical device. Estimation only. Always consult a doctor for accurate SpO2 readings.
🩸 Cover the rear camera + flash with your fingertip. Hold steady for 20 seconds.
💡 Blood Oxygen Tips
Normal SpO2: 95-100% is considered normal for healthy adults
Finger Placement: Press fingertip firmly over rear camera + flash for best results
Stay Still: Movement affects accuracy. Keep your hand steady during scan
Warm Hands: Cold fingers may give lower readings due to reduced blood flow
Altitude: SpO2 may be naturally lower at high altitudes
This is NOT a medical device
This app provides estimated SpO2 values using camera-based photoplethysmography. It is NOT accurate enough for medical decisions.
All data is stored locally on your device. Nothing is uploaded.
For accurate blood oxygen readings, use a medical-grade pulse oximeter.
For any breathing difficulties or low oxygen concerns, seek immediate medical attention.
By using this app you accept that developers are not liable for your health decisions.
For medical concerns, see a qualified healthcare professional.