Advance health research – easily and directly from your smartphone.
With the D4L Collect app, you can participate in digital studies anytime, anywhere.

Why join digital research studies?
- Take part in studies from anywhere with your smartphone or Wear OS smartwatch.
- No need to visit hospitals or clinics.
- Effortlessly collect health data in daily life.
- Enable evidence-based research by combining Patient-Reported Outcomes (PROs) with real-world data from wearables.
- Help researchers gain insights faster.

Your data is secure.
All information in the D4L Collect app is end-to-end encrypted and securely transmitted.

About Data4Life
Data4Life is a nonprofit digital health organization funded by the Hasso Plattner Foundation. We envision a world where health data is ready for research in the areas of public health and personalized medicine to improve prevention, diagnosis, and treatment.

Questions or feedback?
Contact us at we@data4life.help – we’re happy to assist!