Privacy Policy

Last updated: February 28, 2026

1. Introduction

MuscleOS ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application and related services.

2. Information We Collect

We may collect information that you provide directly to us, including:

  • Account information (if you create an account)
  • Workout data, exercise history, and progress you log in the app
  • Device information such as device type and operating system

Workout and exercise data is stored locally on your device by default. We do not sell your personal information to third parties.

3. How We Use Your Information

We use the information we collect to provide, maintain, and improve the MuscleOS app; to personalize your experience; to analyze usage and trends; and to communicate with you about updates or support when necessary.

4. Data Storage and Security

We implement appropriate technical and organizational measures to protect your data. When data is synced or transmitted, we use industry-standard encryption. You are responsible for maintaining the security of your device and any account credentials.

5. Your Rights

Depending on your location, you may have rights to access, correct, delete, or export your personal data. You can manage or delete your data through the app settings or by contacting us.

6. Contact Us

If you have questions about this Privacy Policy or our practices, please contact us at privacy@muscleos.app.