Privacy Policy

Grind · Last updated June 20, 2026

This Privacy Policy describes how Grind ("we," "our," or "us") collects, uses, and shares information when you use the Grind mobile application ("App"). By using Grind, you agree to the practices described in this policy.

Information We Collect

We collect information you provide directly when you create an account or use the App, as well as certain technical information generated by your use of the App.

Account information: your email address and password (if you register with email), or your Apple ID display name and identity token (if you use Sign in with Apple).
Profile data: a unique user ID, referral code, trial start date, and any bonus days associated with your account.
User-generated content: your selected business goals, current situation tags, milestone notes, side quests, check-in entries, and daily task completions.
Progress data: XP points, level, and streak information stored in your user state.
Referral activity: records of referral codes you redeem or that others redeem using your code.
Device and session data: session tokens and refresh tokens stored securely in your device keychain to maintain your signed-in session across app launches.

How We Use Information

We use the information we collect solely to provide, maintain, and improve the Grind App and your experience within it.

To create and authenticate your account and restore your session across launches.
To generate, rank, and personalize your daily task plan based on your stated goals and situation.
To track your progress, XP, streak, and milestone history.
To process referral code redemptions and apply trial day bonuses.
To sync your goal, progress, and notes securely across sessions.
To communicate with you about your account if you contact our support team.

Product And Technical Data

Grind uses OpenAI's API to generate personalized daily plans based on the goals and situation information you provide. The content you submit to generate a plan may be sent to OpenAI for processing. Please review OpenAI's privacy policy for information on how they handle data submitted through their API.

Your account data and user state are stored in Supabase, a third-party backend provider. Supabase uses row-level security so that only you can access your own data. Please review Supabase's privacy policy for details on their data handling practices.

We do not use advertising networks, analytics SDKs, or tracking technologies in the App.

How We Share Information

We do not sell your personal information. We do not share your information with third parties for advertising or marketing purposes. We share information only in the following limited circumstances:

Service providers: we share data with Supabase (database and authentication) and OpenAI (plan generation) solely to operate the App.
Legal compliance: we may disclose information if required by applicable law, regulation, or valid legal process.
Business transfers: if Grind is acquired or its assets are transferred, your information may be part of that transaction, subject to confidentiality obligations.

Data Retention

We retain your account and user state data for as long as your account exists or as needed to provide the App's services. If you sign out or stop using the App, your data remains stored in Supabase until you request deletion.

To request deletion of your account and associated data, please contact us using the information in the Contact section below. We will process your request in a reasonable timeframe.

Your Choices

You have the following choices regarding your information:

Sign out: you may sign out of your account at any time through the Settings screen. This clears your local session.
Data deletion: you may request deletion of your account and personal data by contacting us directly.
Apple ID: if you signed in with Apple, you may revoke access through your Apple ID settings on your device.
Offline use: the App includes a local-only mode for preview and offline scenarios that does not sync data to our servers.

Children's Privacy

Grind is not directed to children under the age of 13, and we do not knowingly collect personal information from children under 13. If we become aware that we have inadvertently collected such information, we will delete it promptly.

Contact

If you have questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact us. Because a support email address was not provided in the app configuration, please refer to the App Store listing or the in-app Settings screen for current contact information.

We will update this policy as the App evolves. Continued use of the App after changes are posted constitutes acceptance of the revised policy.