Privacy Policy
CaffeineLog -- Last updated: March 18, 2026
Overview
CaffeineLog is designed to work 100% on-device. All caffeine tracking, half-life decay calculations, sleep recommendations, and analytics are processed locally on your iPhone. No accounts, no ads, no third-party analytics. Your data never leaves your phone.
Data Collection
CaffeineLog does not collect any personal data. Your beverage logs, caffeine levels, sleep recommendations, and weekly analytics are stored exclusively on your device. No information is transmitted to any server. There are no user accounts and no cloud storage.
Notifications
CaffeineLog may request permission to send local notifications for caffeine level updates and sleep-readiness alerts. These notifications are scheduled entirely on-device and do not involve any external push notification services.
Third-Party Services
CaffeineLog does not include ad networks, social SDKs, analytics platforms, or any third-party services. There are no external network requests made by the app.
Contact
Questions about privacy can be sent to gmlcks00513@gmail.com.