NDT Pro – Privacy Policy

Effective: 2025-09-02

This Privacy Policy explains how NDT Pro (“App”) collects, uses, and shares information. “We”, “our”, or “us” refers to:

Devarasu Nageshwara Rao Vijay
RR Nanagar, Banaglore - 560 098
Contact: vijaydn55@gmail.com

1) What we collect

Account/Profile information (you provide)
Name, email, phone number, gender — used to create and manage your account profile.
App activity and usage
Calculations performed, quizzes completed, achievements, feature usage counts — used to provide core features, progress tracking, and improvements.
Purchases
Purchase state and product identifiers for premium access and restore.
Device information and identifiers (via Google Mobile Ads)
We show non-personalized ads. Google may receive device identifiers and limited signals (e.g., approximate location inferred from IP) for ad delivery, frequency capping, fraud prevention, and measurement. No ad personalization is used.
Notifications
We request notification permission (Android 13+). We use only local notifications. The App periodically checks our blog feed and, if a new post is found, shows a local notification.

We do not request or collect precise location, contacts, SMS, call logs, health, or financial account numbers.

2) How we use data

Provide core App functionality (auth, profile, calculators, quizzes, progress)
Maintain purchases and premium access
Show non-personalized ads (AdMob) and basic measurement/fraud prevention
Improve quality and reliability of the App

3) Where data is processed / Third parties

Supabase (data hosting for auth/profile/stats)
Google Mobile Ads (AdMob) – non-personalized ads, measurement, fraud prevention
Google Generative AI (Gemini) – your prompts/questions are sent to Google to generate AI responses
Google Play Billing – purchase processing
Blogger – hosts this policy webpage

We do not sell personal data. We share data with service providers only as needed to operate the App (e.g., hosting, ads, AI responses, purchases), under their terms.

4) Legal bases (where applicable)

Performance of a contract: provide and operate the App you requested
Legitimate interests: secure, improve, and maintain the App
Consent: where required by law (e.g., notifications on iOS, consent dialogs in certain regions)

5) Data retention

We retain your profile and usage data until you request deletion or delete your account. Purchase records are retained as required for restoring purchases and compliance.

6) Security

We use reasonable technical and organizational measures. Data is encrypted in transit. No method of transmission or storage is 100% secure.

7) International transfers

Your information may be processed on servers outside your country. Where required, we rely on appropriate safeguards.

8) Your choices and rights

Access/Correct/Delete: Email vijaydn55@gmail.com (subject: “NDT Pro – Data Deletion”) to request access, correction, or deletion of your data. We may need to verify your identity.
Withdraw consent (where applicable): You may withdraw consent at any time; this does not affect prior lawful processing.
Regional rights (where applicable):
- EEA/UK (GDPR): access, rectification, erasure, restriction, objection, portability.
- California (CCPA/CPRA): right to know, delete, and non-discrimination.

9) Children

The App is not directed to children under 13 (or the minimum age in your country). We do not knowingly collect data from children. If you believe a child has provided data, contact us to delete it.

10) Permissions used

Internet: fetch content and operate online features
Post Notifications (Android 13+): show local notifications about new content

11) Changes to this policy

We may update this policy. We will update the “Effective” date above and, when required, notify you in the App.

12) Contact

Devarasu Nageshwara Rao Vijay
RR Nanagar, Banaglore - 560 098
Email: vijaydn55@gmail.com