mediumAndroid Developers Blog·March 4, 2026

How WHOOP decreased excessive partial wake lock sessions by over 90%

Posted by Breana Tate, Developer Relations Engineer, Mayank Saini, Senior Android Engineer, Sarthak Jagetia, Senior Android Engineer and Manmeet Tuteja, Android Engineer II


Building an Android app for a wearable means the real work starts when the screen turns off. WHOOP helps members understand how their body responds to training, recovery, sleep, and stress, and for the many WHOOP members on Android, reliable background syncing and connectivity are what make those insights possible.


Earlier this year, Google Play released a new metric in Android vitals: Excessive partial wake locks. This metric measures the percentage of user sessions where cumulative, non-exempt wake lock usage exceeds 2 hours in a 24-hour period. The aim of this metric is to help you identify and address possible sources of battery drain, which is crucial for delivering a great user experience.


Key Insights

1

WHOOP achieved 90%+ reduction in excessive partial wake lock sessions through background optimization

2

Wearable apps face unique challenges with background syncing and battery optimization

3

Partial wake lock management is critical for Android app performance and user retention

How WHOOP decreased excessive partial wake lock sessions by | ASO News