Privacy Policy
Effective date: March 28, 2026
MuscleLab is a workout tracking app operated by Ilya Valasiuk. For purposes of applicable data protection law, Ilya Valasiuk is the controller of your personal data processed through MuscleLab.
We take privacy seriously and aim to collect only the information needed to operate, maintain, and improve the app.
Information We Collect
Account Information
When you create an account, we may collect information such as your email address, login credentials, and any profile details you choose to provide.
We use this information to create and manage your account, identify your data, and let you sign in securely.
Workout and Progress Data
We collect the information you choose to log in the app, such as exercises, sets, reps, weights, session notes, workout history, and progress records.
We use this information to provide the core MuscleLab experience, including workout logging, history, progress tracking, and syncing your data across devices and sessions.
Device and Technical Information
We may collect limited technical information such as device model, operating system version, app version, crash logs, and diagnostic data.
We use this information to troubleshoot issues, maintain app performance, and improve reliability.
Usage Information
We may collect information about how the app is used, such as screens viewed, features used, and general interaction events.
We use this information to understand product usage and improve the app over time. Where possible, we use aggregated or de-identified reporting.
How We Use Your Information
We use the information we collect to:
- provide and operate the MuscleLab app
- create and manage user accounts
- save and sync workout data across devices and sessions
- show workout history and progress over time
- diagnose bugs, crashes, and technical issues
- maintain security and prevent misuse
- improve the app's features, usability, and reliability
- respond to support requests and account-related inquiries
We do not sell your personal data.
We do not use your data for third-party advertising.
Legal Bases for Processing
If you are located in the European Economic Area, the United Kingdom, or similar jurisdictions, we process personal data under one or more of the following legal bases:
- Performance of a contract — when processing is necessary to provide the app and its core functionality
- Legitimate interests — when processing is necessary to maintain security, prevent abuse, fix issues, and improve the service
- Consent — when required by law for specific types of processing
Sharing of Information
We do not sell personal information to third parties.
We may share information only in the following limited situations:
- Service providers and processors that help us operate the app, such as hosting, database, analytics, authentication, crash reporting, and customer support providers
- Legal compliance if disclosure is required by law, regulation, legal process, or valid government request
- Protection of rights and safety where necessary to protect our users, our service, or our legal rights
- Business transfers if MuscleLab is involved in a merger, acquisition, financing, or sale of assets
Any service providers we use are expected to process data on our behalf and only for legitimate business purposes related to operating the app.
Data Retention
We keep your personal data for as long as needed to provide the app and maintain your account.
If you delete your account or request deletion, we will delete or anonymize your personal data within a reasonable period, except where we need to retain certain information for legal, security, fraud-prevention, or backup-recovery purposes.
Data Security
We use reasonable technical and organizational measures designed to protect personal data from unauthorized access, loss, misuse, alteration, or disclosure.
No method of transmission or storage is completely secure, and we cannot guarantee absolute security.
International Data Transfers
Your information may be processed and stored in countries other than your own, including countries that may have different data protection laws.
Where required by law, we take appropriate steps to use lawful safeguards for international data transfers.
Your Rights
Depending on your location, you may have rights regarding your personal data, including the right to:
- access the personal data we hold about you
- correct inaccurate or incomplete data
- request deletion of your data
- request a copy of your data
- object to or restrict certain processing in some cases
- withdraw consent where processing is based on consent
To exercise these rights, contact us at privacy@musclelab.app.
You may also have the right to lodge a complaint with your local data protection authority.
Children's Privacy
MuscleLab is not directed to children under the age of 13, and we do not knowingly collect personal information from children under 13.
If you believe a child has provided personal information to us, please contact us at privacy@musclelab.app, and we will take appropriate steps to delete the information.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time.
If we make changes, we will post the updated version here and update the effective date at the top of the policy. Your continued use of the app after the updated policy becomes effective means you acknowledge the revised policy.
Contact Us
If you have questions about this Privacy Policy or want to exercise your privacy rights, contact: