Privacy Policy - MathsPuzzle

Privacy Policy Overview

Effective Date: September 30, 2026

At Numtix, accessible via our mobile application and related API services, we respect your personal privacy and are committed to protecting the information you share with us. This Privacy Policy details our practices regarding the collection, storage, usage, protection, and deletion of user information.

        Key Commitment: We never sell, rent, or lease your personal data to third parties. We collect only the minimum information required to deliver account authentication, game synchronization, streak tracking, and personalized features.
      

1. Information We Collect

We collect data to deliver, maintain, and enhance your gaming and learning experience:

A. Account & Authentication Data

Phone Number: Used solely for user account sign-in via One-Time Password (OTP) verification.
Profile Information: Display name, profile title, subtitle, and selected user avatar icon.
Authentication Token: Secure Bearer tokens stored in local device preferences (`SharedPreferences`) to keep you logged in safely.

B. Gameplay & Progress Statistics

Game Session Progress: Challenge key (`math_puzzle`, `memory_puzzle`, `train_your_brain`), game key (`correct_answer`, `magic_triangle`, etc.), game level, correct answer count, and total question count.
Player Stats: Total XP accumulated, current level, active daily streak days, and longest streak record.
Session UUIDs: Unique client session identifiers (`client_session_id`) generated per finished session to prevent duplicate XP allocation.

C. Technical & Diagnostic Logs

Device Metadata: Device model, operating system version, and screen resolution.
Locale & Language: Selected application language to serve interface content accurately.
Performance & Error Logs: Anonymous crash reports and network latency metrics to resolve technical glitches.

2. How We Process & Use Your Data

Your data is processed strictly for legitimate operational purposes:

Account Authentication: Verifying your phone number and delivering single-use OTP codes.
Cloud Synchronization: Saving your level progress, total XP, and streak milestones so you can switch or restore devices seamlessly.
Offline Queue Processing: Storing completed offline sessions locally and uploading them idempotently once network connectivity is restored.
Feature Personalization: Providing custom hints, level recommendations, and language preferences.
App Quality & Security: Detecting unauthorized system manipulations, maintaining server uptime, and repairing software bugs.

3. Offline Storage & Data Encryption

Security is integrated into every layer of Numtix:

In-Transit Security: All API communication between the app and server takes place over HTTPS encrypted with Industry-Standard Transport Layer Security (TLS 1.3).
Local Storage Protection: Tokens, user preferences, and pending offline session queues are stored within the sandbox space of your device (`SharedPreferences`).
Idempotent Session Handling: Every session upload contains a unique v4 UUID string, preventing double-crediting of XP even if request retries occur due to intermittent connection drops.

4. Third-Party Services & Advertising

To keep Numtix available and maintain infrastructure, we partner with trusted third-party providers:

Google Mobile Ads (AdMob): Displays optional rewarded video ads (e.g., for unlocking hints) and interstitial ads between game levels. AdMob may collect device advertising IDs subject to your device settings.
Crash Reporting & Infrastructure: Cloud hosting services maintain encrypted database records and process API requests securely.

We encourage users to review the privacy policies of third-party ad networks and analytics platforms.

5. Data Retention & Account Deletion Rights

You retain full control over your personal data:

Data Access: You can view your stored profile stats, total XP, level, and streak details directly from the Profile screen at any time.
In-App Account Deletion: You have the right to permanently erase your profile. Navigating to Settings > Delete Account triggers an immediate deletion request to our servers.
Scope of Deletion: Deleting your account permanently wipes your user profile, phone number association, saved total XP, streak counters, and cloud backup data.

6. Children's Privacy Protection (COPPA & GDPR Compliance)

Numtix is designed as a family-friendly educational application:

We do not knowingly collect or solicit personal information from children under the age of 13.
If a parent or guardian becomes aware that their child has provided us with personal information without consent, please contact us immediately, and we will purge such records from our databases.

7. International Data Transfers & Storage

Information collected may be stored and processed on secure cloud servers located in compliant data center facilities. By using the app, you consent to the secure transfer of your game statistics to these facilities.

8. Policy Updates & Notifications

We may update this Privacy Policy periodically to reflect new features, app releases, or legal requirements. Material changes will be indicated by updating the "Effective Date" at the top of this policy and publishing the revised document within the app settings.

9. Contact Support

If you have any questions, privacy concerns, or request assistance regarding your data, please contact our privacy response team:

Email: [email protected]