Privacy Policy

Last updated: March 21, 2026

Version: 1.0

This Privacy Policy describes how GYMMI, a commercial brand operated by Luis Alonso Martinez Garcia, an individual with business activity (persona fisica con actividad empresarial) under the laws of the United Mexican States (hereinafter “GYMMI”, “we”, “us”, “our”, or “the Data Controller”), collects, uses, shares, and protects your personal information when you use our mobile application (“App”, “Service”).

This Notice is issued in compliance with Mexico’s Federal Law on the Protection of Personal Data Held by Private Parties (LFPDPPP), its Regulations, and the Privacy Notice Guidelines.

By using the Service, you consent to the collection and use of your information as described in this Privacy Policy.


1. Data Controller

Data Controller: Luis Alonso Martinez Garcia, an individual with business activity, operating under the commercial brand “GYMMI”.

Email: privacy@gymmi.coach

Address: Morelia, Michoacán, Mexico

For data protection inquiries, contact us at the email above.


2. Information We Collect

2.1 Account Information

  • Email address.
  • First and last name.
  • Username.
  • Date of birth.

2.2 Health and Fitness Data (Sensitive Data)

  • Body weight, height, gender, age.
  • Fitness level and training experience.
  • Injuries and movement restrictions.
  • Daily check-in data: sleep quality, energy level, stress level, muscle soreness, mood.
  • Workout history: exercises performed, weights, repetitions, sets, duration.
  • Personal records (1RM estimates).
  • Muscle recovery data.
  • Perceived workout difficulty.

2.3 Preferences

  • Fitness goal (hypertrophy, strength, etc.).
  • Training schedule (days per week, session duration).
  • Equipment available.
  • Muscle priorities.
  • Cardio preferences.
  • Coach notes (free-text training preferences).

2.4 Subscription Information

  • Pro subscription status (active, in trial, or cancelled).
  • Subscription expiration date.

2.5 Technical Data

  • Device type and operating system.
  • App version.
  • Anonymized usage analytics.

2.6 Cookies and Tracking Technologies

The mobile app does NOT use cookies (cookies are a web technology that does not apply to native apps).

The GYMMI website (gymmi.coach) uses Vercel Web Analytics and Vercel Speed Insights only. These services are cookieless by design — they do not set cookies, do not store IP addresses, and do not identify individual visitors. As a result, no cookie consent banner is required under GDPR / ePrivacy / LFPDPPP.

We do NOT use third-party advertising cookies, behavioral tracking pixels, retargeting tags, or session replay tools.

We do NOT collect: precise location, contacts, photos (except optional avatar), browsing history, financial information (payments handled by Apple/Google), or biometric identifiers.


3. How We Use Your Information

PurposeData UsedLegal Basis
Create and manage your accountEmail, name, usernameContract performance
Generate AI training plansProfile, health data, training history, check-insExplicit consent
Provide post-workout feedbackWorkout data, exercise performanceExplicit consent
Adjust training sessions based on readinessCheck-in data, training historyExplicit consent
Track fitness progress and personal recordsWorkout data, body measurementsContract performance
Send transactional emails (welcome, account)Email, first nameContract performance
Process subscriptionsUser ID, subscription statusContract performance
Improve the ServiceAnonymized, aggregated analyticsLegitimate interest

4. How We Share Your Information

We do NOT sell your personal information. We share data only with the following service providers who process data on our behalf:

ProviderData SharedPurposeLocation
OpenAI Profile data (age, weight, gender, level, injuries, goals), training history, check-in scores. NO email, name, or username is sent. AI plan generation, feedback, and session adjustments United States
SupabaseAll account and user dataDatabase hosting and authenticationUnited States
RailwayAll account and user data routed through our APIBackend API hostingUnited States
VercelWeb traffic (anonymous analytics, performance metrics)Website and legal pages hostingUnited States
SentryUser ID, technical events, application errors, execution tracesError monitoring and application stabilityUnited States
Expo (EAS)Device identifiers, push notification tokens, crash reportsApp distribution, OTA updates, and notificationsUnited States
ResendEmail address, first nameTransactional emailsUnited States
RevenueCatAnonymous user ID, subscription eventsSubscription managementUnited States
Apple / GooglePayment information (handled directly by platform)Subscription billingUnited States

Each provider is bound by their respective data processing agreements and privacy policies. International transfers are based on your express consent when using the Service, in accordance with article 37 of the LFPDPPP.


5. International Data Transfers

Your data is stored and processed in the United States by the providers listed in section 4. By accepting this Privacy Policy, you give your express consent to such international transfer.

Transfers are protected through:

  • Data processing agreements with each service provider.
  • Contractual commitments from providers to maintain equivalent security measures.

6. Data Retention

Data TypeRetention Period
Account dataUntil you delete your account
Training and workout dataUntil you delete your account
Check-in dataUntil you delete your account
AI coaching logs (telemetry)90 days, then permanently deleted
Anonymized analyticsIndefinite (not linked to your identity)

After account deletion, all personal data is permanently removed from our systems within 30 days. Backups are purged within 90 days.


7. Your Rights (ARCO Rights)

Under the LFPDPPP, you have the following rights regarding your personal data:

RightDescriptionHow to Exercise
AccessView all personal data we holdApp Settings > Profile, or email us
RectificationCorrect inaccurate dataApp Settings > Profile
CancellationDelete all your data permanentlyApp Settings > Delete Account
OppositionObject to the processing of your dataEmail us
PortabilityReceive your data in a machine-readable formatEmail us
Withdraw ConsentRevoke consent for health data processingEmail us (note: this may limit Service functionality)
ComplaintLodge a complaint with a data protection authorityINAI (www.inai.org.mx)

To exercise any right, contact us at privacy@gymmi.coach. We will respond within 20 business days as required by the LFPDPPP, and implement the response within 15 business days thereafter.


8. Health Data — Special Protections

Health and fitness data is classified as sensitive personal data under the LFPDPPP (article 3, fraction VI) and requires express, written consent.

8.1 We collect health data ONLY with your express consent, obtained when you:

  • Accept the Terms and Conditions during registration.
  • Accept the Health Disclaimer during onboarding.
  • Voluntarily input health information in your profile and check-ins.

8.2 You may withdraw consent at any time by contacting us. Withdrawal does not affect the lawfulness of processing before withdrawal.

8.3 Health data sent to OpenAI for AI processing is:

  • Stripped of identifying information (no email, name, or username).
  • Not used by OpenAI for model training (per OpenAI’s API data usage policy).
  • Processed solely to generate your training plan response.

9. Data Security

We implement technical, administrative, and physical measures to protect your data:

  • Encryption in transit: All data transmitted via TLS/HTTPS.
  • Encryption at rest: Local storage encrypted with MMKV (key stored in OS keychain).
  • Database security: Row Level Security (RLS) policies ensure users can only access their own data.
  • Authentication: Supabase JWT-based authentication.
  • Access control: Column-level restrictions prevent unauthorized modifications.
  • Rate limiting: API rate limits prevent abuse.
  • Security audits: Regular code security reviews.

No system is 100% secure. In the event of a security breach that significantly affects your patrimonial or moral rights, we will notify you without delay and notify the relevant authorities as required by article 20 of the LFPDPPP.


10. Children’s Privacy

The Service is not intended for users under 18 years of age. We do not knowingly collect personal information from children under 18.

If we become aware that we have collected data from a child under 18 without parental or legal guardian consent, we will delete that information immediately. If you believe we have collected data from a minor, contact us at privacy@gymmi.coach.


The Service may contain links to third-party websites or services (e.g., Apple Health, exercise reference sites). We are not responsible for the privacy practices of these third parties. We encourage you to review their privacy policies.


12. Changes to This Policy

We may update this Privacy Policy from time to time. Material changes will be communicated via:

  • Email notification to your registered address.
  • In-app notification.

The “Last updated” date at the top will be revised. Continued use of the Service after changes constitutes acceptance.


13. California Privacy Rights (CCPA / CPRA)

This section applies to residents of California, USA, and supplements the rights described elsewhere in this Policy. We provide it in compliance with the California Consumer Privacy Act (CCPA), as amended by the California Privacy Rights Act (CPRA).

13.1 Categories of Personal Information We Collect

In the past 12 months we have collected the following CCPA categories of personal information:

CCPA CategoryExamples Collected by GYMMI
A. IdentifiersEmail address, first and last name, username, account ID
B. Customer recordsAccount information
D. Commercial informationSubscription status, purchase history
F. Internet activityAnonymized usage analytics, device type, app version
K. InferencesFitness level and training preferences derived from your profile
Sensitive PIHealth and fitness data: body weight, height, age, gender, injuries, daily check-ins (sleep, energy, stress, mood, muscle soreness), training history

13.2 Sources of Personal Information

  • Directly from you (during signup, onboarding, and daily use).
  • Automatically from your device (technical data).
  • From Apple/Google (subscription events only).

13.3 Purposes for Collection

See Section 3 of this Policy. We collect personal information only to provide the Service.

13.4 Sale and Sharing of Personal Information

We do NOT sell your personal information. We do NOT share your personal information for cross-context behavioral advertising. We have not sold or shared personal information in the preceding 12 months and have no plans to do so.

13.5 Use of Sensitive Personal Information

We use sensitive personal information (health and fitness data) only for the purposes disclosed in Section 3 and as authorized by you. We do not use sensitive personal information to infer characteristics about you beyond what is necessary to generate your training plan.

13.6 Your California Rights

As a California resident you have the right to:

  • Know what personal information we collect, use, disclose, and (if applicable) sell or share.
  • Delete personal information we hold about you (subject to legal exceptions).
  • Correct inaccurate personal information.
  • Opt out of sale or sharing of personal information (we don't do this — exercising this right is automatic).
  • Limit the use of sensitive personal information to disclosed business purposes.
  • Non-discrimination for exercising your rights.

13.7 How to Exercise Your Rights

  • In-app: Settings → Delete Account deletes all your data.
  • Email: send a request to privacy@gymmi.coach with subject "CCPA Request". Identify yourself by the email address on your account. We will respond within 45 days as required by CCPA.
  • Authorized agent: you may designate an authorized agent in writing to act on your behalf. We will require verification of your identity and the agent's authority.

13.8 Minors Under 16

We do not knowingly collect personal information from minors under 18. We do not sell or share personal information about any user — including minors — under any circumstances.

13.9 California "Shine the Light" Disclosure

California Civil Code §1798.83 permits California residents to request once per year a list of third parties to which we have disclosed personal information for direct-marketing purposes. GYMMI does not share personal information with third parties for their direct-marketing purposes.

13.10 Retention

We retain personal information only as long as necessary for the purposes described in Section 6 of this Policy.

13.11 Updates to This Section

We will update this section to reflect changes in California law or our practices. The "Last updated" date at the top of this Policy will be revised accordingly.


14. Contact Us

For privacy-related questions, requests, or complaints:

Data Controller: Luis Alonso Martinez Garcia (individual with business activity)

Email: privacy@gymmi.coach

Address: Morelia, Michoacán, Mexico

You may also contact the National Institute for Transparency, Access to Information and Personal Data Protection (INAI) at www.inai.org.mx.

For users in California, see Section 13 for your CCPA/CPRA rights.


By using GYMMI, you acknowledge that you have read and understood this Privacy Policy and consent to the collection and processing of your personal data as described herein.