Privacy Policy for TrainZilla Client App
Last updated: October 7, 2026
Effective date: October 8, 2026
Overview
This Privacy Policy explains how TrainZilla Technologies ("TrainZilla", "we", "us") collects, uses, shares and protects information in the TrainZilla client app for Android and iOS (the "App"). The App lets you follow workout and nutrition plans, log your progress, and work with the fitness coach, gym or AI Coach you choose. By using the App you agree to this policy.
Information we collect
Information you give us
- Account details: name, email address, and optionally phone number, date of birth and gender.
- Fitness profile: height, weight, goal, target weight, activity level, training experience, and any health conditions or notes you choose to share.
- Progress and logs: weigh-ins, body measurements, body-composition values, workout logs, meal logs, habits, check-in answers and notes.
- Photos, videos and files: progress photos, meal photos, form-check images, community posts, and health or body-composition reports (photos or PDFs) that you upload.
- Messages and calls: messages you exchange with your coach or gym, and in-app audio/video calls you join.
- Payments: the plans you buy and their status. Card, UPI and bank details are handled by the payment provider (for example Razorpay, Google Play or the App Store) and are never stored by us.
Health and fitness data from Health Connect and Apple Health
If you choose to connect Health Connect (Android) or Apple Health (iOS), the App reads the following data, only after you grant permission on the system permission screen:
- Android (Health Connect): steps, heart rate, sleep sessions, active calories burned, weight and body fat.
- iOS (Apple Health): resting heart rate, sleep, active energy burned, body mass (weight), body-fat percentage and lean body mass. On iOS, steps come from the phone's motion sensor, not Apple Health.
We use this data only to provide features you can see in the App:
- Show your daily steps, heart rate, sleep and active calories on your Today and vitals screens.
- Add weigh-ins and body-fat readings from your smart scale's app to your Progress history and charts.
- Show your coach (or the AI Coach, if you subscribe to it) your activity, sleep and body-composition trends so your training and nutrition plans can be adjusted to your recovery and progress.
The App only reads this data; it does not write data to Health Connect. Data is read while the App is open (no background access). You can disconnect at any time from Profile in the App, or revoke access in the Health Connect app or in iPhone Settings > Health > Data Access & Devices. Disconnecting stops all further reads; you can ask us to delete data already synced (see "Your choices and rights").
Limited Use. The use of information received from Health Connect adheres to the Health Connect Permissions policy, including the Limited Use requirements. Data from Health Connect and Apple Health is never sold, never used for advertising, marketing or ad targeting, never used to determine credit-worthiness or for lending, and is not shared with third parties except as needed to provide the features above (your chosen coach or gym, and the service providers listed below that process it on our behalf), or as required by law.
Face check-in at gyms (optional)
If your gym offers face check-in and you agree to it at the gym's kiosk, we store a face template (a numerical description of your face, not a photo) so the kiosk can recognise you at the door. It is used only for check-in at that gym, is never shared with anyone else or used for any other purpose, and you can delete it at any time from the Gym check-in screen in the App. You can always check in with a QR code instead.
Device permissions
- Camera and photos: used only when you choose to take or upload a photo or video.
- Microphone: used for in-app calls you join and for voice meal logging. Speech is recognised on your device; we receive only the resulting text.
- Physical activity / motion: used to count steps for your daily step goal.
- Notifications: used for reminders, messages and plan updates. You can turn them off in device settings.
Information collected automatically
We collect crash reports and basic diagnostic information (device model, OS version, app version) through Firebase Crashlytics to fix bugs, and a push-notification token through Firebase Cloud Messaging so we can deliver notifications. We do not use advertising identifiers, and we do not show third-party ads in the App.
How we use information
- Provide the App: your plans, logs, progress, messages, calls and payments.
- Let the coach, gym or AI Coach you connect with see your profile, logs, photos and health data so they can coach you.
- Recognise you at your gym's door, only if you opted in to face check-in.
- Generate and adjust AI-assisted plans and summaries, and read values from health reports you upload, when you use those features.
- Send you reminders and service messages, provide support, keep the service secure and prevent fraud.
- Fix bugs and improve reliability, using crash and diagnostic data.
How we share information
We do not sell your personal data. We share it only as follows:
- Your coach or gym: the coach(es) and gym you connect with can see the data you log or sync so they can coach you. If you disconnect, they no longer receive new data.
- Service providers: companies that process data on our behalf under contract, only to run the App: cloud hosting and storage, Google (Firebase Crashlytics and Cloud Messaging, and Google's Gemini AI models for AI Coach features and report reading), LiveKit (in-app calls), and payment providers (Razorpay, Google Play, Apple).
- Legal reasons: when required by law, or to protect the rights, safety and security of our users or the public.
- Business transfers: if TrainZilla is involved in a merger or acquisition, under this policy's protections.
Data security
Data is encrypted in transit (HTTPS/TLS) and stored on access-controlled servers. Only you, the coach or gym you connect with, and authorised TrainZilla staff who need it to provide support can access your data.
Data retention and deletion
We keep your data while your account is active. You can delete your account at any time from Profile > Delete account in the App (which opens our account deletion page) or by emailing us. When you do, we delete your profile, logs, photos and synced health data from our systems, except records we must keep by law (for example payment invoices).
Your choices and rights
- Access, correct or export the data in your account.
- Delete specific photos or entries, or your whole account.
- Disconnect Health Connect or Apple Health, or revoke any device permission, at any time.
- Withdraw consent or object to processing, where applicable law gives you that right.
To use any of these rights, email support@trainzilla.in.
Children
The App is not intended for children under 13 (or the minimum age in your country), and we do not knowingly collect their data.
Changes to this policy
We will update the effective date above when this policy changes, and tell you in the App about significant changes.
Contact us
TrainZilla Technologies. Email: support@trainzilla.in. Website: https://trainzilla.app.