Wellness Technology
Privacy concerns in wellness apps
Learn how wellness apps collect your data and practical steps to protect your health information.
Read with context
This guide is designed to help you ask better questions and make practical choices. It does not diagnose, treat, or promise a cure.
What wellness apps collect and share
Wellness apps collect sensitive health information: activity levels, sleep patterns, heart rate, location history and sometimes intimate details about reproduction or mental health. This data can be sold to third parties, used for advertising or accessed by hackers if security is weak.
The UK Information Commissioner's Office explains that aggregated data (combining step counts, heart rate and location) can create detailed health profiles even without explicit health diagnosis.
How to evaluate app privacy policies
Read the privacy policy before downloading. Look for clear answers to: What data is collected? How is it stored? Who can access it? Can it be sold or shared? How do you delete it?
Check app store reviews for privacy complaints. Look for recent security certifications. Apps with transparency about data handling are generally safer choices than those with vague policies.
Practical steps to protect your health data
Use strong, unique passwords for health apps. Enable two-factor authentication where available. Disable location tracking and background data access unless you specifically need those features.
Consider whether the health data you get from an app justifies sharing sensitive information. Sometimes a simple tracker or manual log provides the same benefit with less privacy risk.
Evidence and further reading
Sources
We prioritize official health bodies, regulators, and other primary sources when reviewing wellness guidance.
- 01UK Information Commissioner's Office — App Privacy (opens in a new tab)
Official guidance on privacy risks in consumer apps and your rights.
- 02Electronic Frontier Foundation — Health Data Privacy (opens in a new tab)
Advocacy information about protecting health data from corporate collection.
