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Privacy Policy

Last updated: March 5, 2026

1. Introduction

CaloBurner (“we”, “our”, or “us”) is operated by Mael Halna, a micro-enterprise registered under RCS 891 414 138, located at 49 Rue de la Ville Eveque, 22590 Pordic, France. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application CaloBurner (the “App”). Please read this policy carefully. By using the App, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide

  • Account information: When you create an account, we collect your email address and authentication credentials via Firebase Authentication.
  • Profile and health data: To personalize your fat loss plan, we collect information you provide such as your weight, height, age, sex, activity level, and dietary preferences.
  • Meal photos and food logs: When you use our AI meal logging feature, we process photos of your meals to identify foods and estimate nutritional content. Meal photos are stored to provide you with a food log history.

2.2 Information Collected Automatically

  • Step count data (HealthKit): With your permission, we read your step count data from Apple HealthKit to factor your daily activity into your calorie targets. We do not write data to HealthKit.
  • Usage data: We collect information about how you interact with the App, including features used, screens viewed, and actions taken.
  • Technical data: Device type, operating system version, app version, crash logs, and performance data collected via Firebase Crashlytics.

3. How We Use Your Information

  • Generate and personalize your fat loss plan based on your profile, goals, and activity level.
  • Analyze meal photos using AI to provide macro and calorie estimates.
  • Display progress analytics, charts, trends, and logging consistency insights.
  • Factor your daily step count into your personalized calorie targets.
  • Manage your account and authenticate your identity.
  • Process and manage your subscription.
  • Diagnose technical issues, improve performance, and fix bugs.
  • Improve the App and develop new features.

4. Third-Party Services

We use the following third-party services:

  • Firebase (Google): Authentication, Cloud Firestore (database), Cloud Storage (meal photos), and Crashlytics (crash reporting). See Firebase Privacy Policy.
  • RevenueCat: Subscription management and purchase validation. See RevenueCat Privacy Policy.
  • Apple HealthKit: Used solely to read step count data with your explicit permission. HealthKit data is processed locally on your device and on our servers only as needed to calculate your calorie targets.

5. Apple HealthKit Data

We take your HealthKit data seriously. In accordance with Apple’s requirements:

  • HealthKit data (step count) is used solely within the App to personalize your calorie targets.
  • HealthKit data is never shared with third parties.
  • HealthKit data is never used for advertising or marketing purposes.
  • HealthKit data is never sold to data brokers or any other third parties.
  • You can revoke HealthKit access at any time through your device’s Settings > Health > Data Access.

6. Data Storage and Security

Your data is stored on Firebase servers (Google Cloud infrastructure). We implement appropriate technical and organizational measures to protect your personal data against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the Internet or electronic storage is 100% secure.

7. Data Retention

We retain your personal data for as long as your account is active or as needed to provide you with our services. If you delete your account, we will delete your personal data within 30 days, except where we are required to retain it by law.

8. Your Rights (GDPR)

If you are located in the European Economic Area (EEA), you have the following rights under the General Data Protection Regulation (GDPR):

  • Access: Request a copy of the personal data we hold about you.
  • Rectification: Request correction of inaccurate personal data.
  • Erasure: Request deletion of your personal data.
  • Restriction: Request restriction of processing of your personal data.
  • Portability: Request a portable copy of your personal data.
  • Objection: Object to processing of your personal data.

To exercise any of these rights, please contact us at contact@caloburner.app. We will respond to your request within 30 days.

9. Children’s Privacy

CaloBurner is not intended for children under the age of 16. We do not knowingly collect personal information from children under 16. If we become aware that we have collected personal data from a child under 16, we will take steps to delete that information promptly.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the “Last updated” date. You are advised to review this Privacy Policy periodically for any changes.

11. Contact Us

If you have any questions about this Privacy Policy, please contact us: