D4L Collect
D4L data4life gGmbH Health & Fitness iPhoneiPadiPod touch
D4L Collect is a free Health & Fitness app for iPhone and iPad by D4L data4life gGmbH. Requires iOS 16.6. Updated September 26, 2026.
- Price
- Free
- on the App Store
- Size
- 49 MB
- Age 17+
- Updated
- Sep 26
- 2026 · v4.14.1
Screenshots
About D4L Collect
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 [email protected] – we’re happy to assist!
What’s new
Version 4.14.1 · Updated September 26, 2026
This update brings the following improvements and new features: - Added SpO2 support for Health Connect - Improved questionnaire functionality - Improved accessibility and background processing - Fixed TLS issue on Android 13 and earlier with HARICA CA - Fixed duplicate report entries and questionnaire completion issues
App privacy
The developer, D4L data4life gGmbH, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to D4L Collect
Looking for apps like D4L Collect? Here are 6 similar apps on the App Store. The highest rated is Harmony Playground (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| D4L Collect | – | Free | September 26, 2026 | |
| StudyU Health | – | Free | Sep 22, 2026 | Compare |
| Harmony Playground | 5.0 / 5 (4) | Free | Sep 26, 2026 | Compare |
| tala-med Cardio | – | Free | Oct 7, 2026 | Compare |
| Symptom Tracker: FeelBetter | – | Free | May 8, 2026 | Compare |
| Medikönig | – | Free | Sep 28, 2026 | Compare |
| Still Moment | – | Free | Oct 23, 2026 | Compare |
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