Privacy Policy

Last updated: June 1, 2026

Partners in Diet ("we", "us", "our") provides a personalized nutrition and fitness application for iOS and this website. This Privacy Policy explains what personal data we collect, why we collect it, how we use and share it, and the rights and choices you have. We act as the data controller for the data described below. You can reach us at any time at [email protected].

1. Data We Collect

We collect only the data we need to provide and improve the service:

• Account data — your name, email address, preferred language, and password (stored only as a secure hash).
• Profile and onboarding data — sex, date of birth, height, current and goal weight, weight history, goal type and pace, activity level, occupation type, coffee and water habits, cooking skill, dietary preferences and restrictions, allergies and intolerances, and any medical conditions you choose to share.
• Nutrition data — foods, meals, portions, calories and macronutrients you log, water and caffeine intake, and the meal plans we generate for you.
• Workout data — training plans you follow, workout sessions, exercises, sets, repetitions, weights, and perceived effort you log.
• Location data — your precise GPS location while you actively record a run, used to draw your route and calculate distance, pace, splits, and elevation. Location tracking runs only during an active run and stops when you end it.
• Apple HealthKit data — with your explicit permission, we read body weight, step count, active energy, and workouts from Apple Health, and write your logged nutrition, water, caffeine, and workouts back to Apple Health.
• Purchase data — your subscription status and Apple transaction identifiers. Payments are processed entirely by Apple; we never see your card or bank details.
• Device and usage data — device model, operating system version, app version, language, and technical logs we need to keep the service secure and reliable.

2. How We Use Your Data

We use your data to: calculate your personalized calorie, macronutrient, water, and caffeine targets; generate and adapt your meal plans and workout programs; track your progress over time; record and display your runs; provide the optional AI coach; manage your subscription and entitlements; respond to support requests; and keep the service secure, prevent abuse, and comply with legal obligations.

We do not use your personal data for third-party advertising, and we never sell it.

3. AI Processing Disclosure

Partners in Diet includes an optional AI coach. When you send a message to the AI coach, your message together with relevant context from your account — such as your goals, nutrition targets, recent diary entries, and plan summaries — is transmitted to third-party large language model providers in order to generate a response.

These providers process the data on our behalf and are not permitted to use your data to train their models. Your Apple HealthKit data is never included in AI requests and is never shared with AI providers. The AI coach is entirely optional — if you never use it, no data is sent to AI providers.

4. Apple HealthKit

Our use of Apple HealthKit data follows Apple's guidelines. We never use HealthKit data for advertising, marketing, or data mining; we never sell it; and we never share it with third parties except to provide the features you have requested. You can review and revoke HealthKit permissions at any time in the iOS Health app under Sharing.

5. How We Share Data

We share personal data only with: hosting and infrastructure providers that store our databases and run the service; Apple, for processing subscriptions and in-app purchases; and AI model providers, only as described in Section 3 and only when you use the AI coach. We may also disclose data when required by law or to protect our rights, our users, or the public.

We never sell personal data and we never share it with advertisers or data brokers.

6. Data Retention and Account Deletion

We keep your data for as long as your account is active. You can delete your account at any time directly in the app under Settings → Delete Account. Deleting your account permanently removes your account and the associated personal data from our systems within 30 days, except for minimal records we are legally required to keep (for example, transaction records).

You can also request deletion by emailing [email protected] from the address linked to your account.

7. Security

All data is encrypted in transit using TLS. Passwords are stored only as secure hashes. Access to production data is restricted, logged, and limited to what is strictly necessary to operate the service.

8. Your Rights

Depending on where you live, you have the right to access, correct, delete, or receive a copy of your personal data, to restrict or object to certain processing, and to withdraw consent at any time. You also have the right to lodge a complaint with your local data protection authority. To exercise any of these rights, contact us at [email protected].

9. Children

Partners in Diet is not directed to children under 16, and we do not knowingly collect personal data from them. If you believe a child has provided us with personal data, contact us and we will delete it.

10. International Transfers

Your data may be processed in countries other than your own. Where that happens, we rely on appropriate safeguards such as standard contractual clauses to protect it.

11. Changes to This Policy

We may update this Privacy Policy from time to time. If we make material changes, we will notify you in the app or by email before they take effect. The date at the top shows when the policy was last revised.

12. Contact

For any privacy question or request, contact Partners in Diet at [email protected].

Questions? Contact us at [email protected]