Privacy Policy

Last Updated: 29 November 2025

1. Introduction

Ankrank (“Ankrank”, “we”, “our”, or “the App”) is a competitive mathematics game designed to provide fast-paced, timed challenges and global rankings for users who enjoy mathematical problem-solving.

Your privacy is important to us. This Privacy Policy explains:

  • What information we collect

  • How and why we use that information

  • How your data is stored and protected

  • Your rights regarding your personal data

By using Ankrank, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

We collect only the minimum information required to operate the App and provide its core competitive features.

2.1 Account & Authentication Information (Sign in with Apple)

When you sign in using Sign in with Apple, Apple provides us with:

  • A unique Apple-assigned user identifier

  • Your email address (either your real email or an Apple private relay email)

  • Your display name (only if you choose to share it)

This information is used solely to create and manage your Ankrank account and is securely stored using Firebase Authentication.

Important clarifications:

  • We do not receive or store your Apple ID password

  • We do not receive your full Apple ID

  • We do not have access to your Apple account outside Ankrank

2.2 Gameplay & Usage Data

To enable competitive features such as ratings, rankings, medals, and scorecards, we collect and store gameplay-related data, including:

  • Game scores and results

  • Speed and accuracy metrics

  • World rating and leaderboard position

  • Medals, achievements, and progression

  • Game session timestamps

  • Basic app preferences (such as selected modes or levels)

This data is required to maintain fair competition, calculate rankings, and display results correctly.

2.3 Subscription Information

If you purchase an Ankrank monthly subscription, Apple provides us with limited subscription-related information, including:

  • Subscription status (active, expired, cancelled)

  • Receipt verification data for validation purposes

We never collect or store:

  • Credit card details

  • Billing addresses

  • Payment method information

All payment processing is handled exclusively by Apple via the App Store.

2.4 Automatically Collected Technical Data

For security, stability, and performance purposes, we may collect limited technical data such as:

  • Device type and operating system version

  • App version

  • Anonymous crash logs or error diagnostics

This data does not identify you personally and is used only to improve app reliability and prevent abuse.

3. How We Use Your Information

We use collected information strictly for legitimate operational purposes, including:

  • Authenticating and managing user accounts

  • Calculating world ratings, rankings, and leaderboards

  • Saving gameplay history, medals, and achievements

  • Verifying subscription access to premium features

  • Preventing fraud, cheating, and abuse

  • Improving app performance, stability, and user experience

We do not sell, rent, trade, or share your personal data for advertising or marketing purposes.

4. Data Storage & Security

All user data is stored securely using industry-standard infrastructure provided by Firebase, including:

  • Firebase Authentication

  • Firebase Firestore and/or Realtime Database

Security measures include:

  • Encrypted data transmission (HTTPS)

  • Access-controlled databases

  • Authentication-based data access rules

Firebase services comply with applicable data protection standards, including GDPR, CCPA, and COPPA.

5. Children’s Privacy

Ankrank is suitable for users of all ages.

We:

  • Do not collect unnecessary personal information

  • Do not include chat, messaging, or social interaction features

  • Do not display ads

  • Do not allow user-generated content

Only the minimum information required for account authentication and gameplay is collected. If you believe a child has provided personal data beyond what is required, please contact us and we will take appropriate action.

6. Third-Party Services

Ankrank uses the following third-party services solely to operate core functionality:

  • Sign in with Apple – account authentication

  • Firebase (Google) – authentication, databases, and security

  • Apple In-App Purchases – subscription payments

Each service processes data according to its own privacy policy.

7. Subscription & Payments

All subscriptions are managed by Apple through the App Store.

You may:

  • View subscription status

  • Cancel or renew subscriptions

  • Manage billing

directly from your Apple ID settings. Ankrank cannot modify subscriptions on your behalf.

8. Data Retention

We retain your data only for as long as your account remains active or as necessary to provide services.

You may request account deletion at any time. Upon deletion request:

  • Your Apple user identifier is removed

  • All associated gameplay data is permanently deleted

Some non-identifiable technical logs may be retained temporarily for security or legal compliance.

9. Your Rights

Depending on your location, you may have the right to:

  • Access your personal data

  • Request correction of inaccurate data

  • Request deletion of your data

  • Request export of your data

  • Withdraw consent where applicable

To exercise any of these rights, contact us using the details below.

10. Policy Changes

We may update this Privacy Policy from time to time. Any changes will be reflected by updating the “Last Updated” date. Continued use of the App after changes indicates acceptance of the revised policy.

11. Contact Us

For privacy-related questions, data requests, or concerns:

Email: support@techbundance.com

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