Last updated: April 20, 2026The Change Log (”we,” "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our mobile application.
Information we collect1. Information you provide directlyWhen you create an account, we collect your email address and password. When you use the app, we collect the symptom data, notes, and other health information you choose to log.2. Information collected automaticallyWe may collect basic usage data such as app crashes and performance metrics to help us improve the app. We don’t sell this data or use it for advertising.
How we use your information• To provide and maintain the app and your account.
• To sync your data across devices.
• To send daily reminders you’ve opted into.
• To process your 1-time premium purchase.
• To improve the app’s performance and reliability.
How we store your informationYour data is stored securely using Supabase, a trusted cloud infrastructure provider. All data is transmitted over encrypted connections (HTTPS/TLS). Your health data is yours; we don’t use it for research, advertising, or any purpose beyond providing you with the app.
Sharing your informationWe don’t sell, trade, or share your personal information with third parties, except:• Supabase (data storage and authentication)
• RevenueCat (in-app purchase processing)
• Apple App Store or Google Play Store (payment processing for premium)These providers are contractually required to protect your information.
Your rightsYou may access, update, or delete your data at any time from within the app. To delete your account and all associated data, go to the Settings page, then select Delete account. Deletion is permanent and can’t be undone.
Children’s privacyThis app isn’t intended for children under 13. We don’t knowingly collect personal information from children under 13.
Changes to this policyWe may update this privacy policy from time to time. We’ll notify you of significant changes by updating the date at the top of this page.
Contact usIf you have questions about this privacy policy, contact us at: [email protected].