Privacy Policy — OneCalorie

OneCalorie (“we”, “our”, “us”) provides a calorie, macro, meal, and water tracking app (“App”). This Privacy Policy explains how we collect, use, and protect your information.

Information We Collect

Information you provide

• Account details: name (optional), email address, and password (if you sign up with email).
• Phone number (if you choose to provide it).
• Profile details for recommendations: sex, date of birth, height, weight, activity level, and goal preferences.
• App content you enter: foods you create, meal collections, food logs, and water logs.

Automatically collected information

• Basic app/device information needed to run the App (for example, device type, OS version).
• Analytics/crash data may be collected by our service providers.

Advertising data

• We show ads using Google AdMob. AdMob may collect device identifiers (such as Advertising ID), IP address, and ad interaction data to serve and measure ads.

How We Use Your Information

We use your information to:

• Create and manage your account (sign-in/sign-out).
• Save your foods, meals, logs, targets, and preferences.
• Show progress, charts, and personalized recommendations.
• Improve app stability and performance.
• Display and measure ads.

How We Store and Share Information

• We use Firebase Authentication to manage sign-in.
• We use Cloud Firestore (Firebase) to store your app data (foods, logs, profile, targets).
• We may share limited information with service providers (Firebase/Google) to provide the App and ads.
• We do not sell your personal information.

Ads

We use Google AdMob to display ads. AdMob’s use of information is governed by Google’s policies. You can limit ad personalization in your device settings.

Data Retention

We keep your data while your account is active or as needed to provide the App. You can request deletion at any time.

Your Choices

• You can update your profile and logs inside the App.
• You can request account/data deletion by contacting us.

Children’s Privacy

OneCalorie is not intended for children under 13. If you believe a child has provided personal information, contact us and we will delete it.

Security

We use reasonable security measures and trusted providers (Firebase/Google). No method of transmission or storage is 100% secure.

Contact Us

If you have questions or requests, contact:
Email: support.onecalorie@gmail.com

Changes to This Policy

We may update this Privacy Policy from time to time. We will update the effective date above.