Privacy Policy for SKF Duty

Last Updated: August 19, 2026


1. Overview & Introduction

Welcome to SKF Duty ("we", "our", or "the App"), published by ZahirLabs and developed by MD ZAHIRUL ISLAM. We are committed to protecting your personal information and respecting your privacy. This Privacy Policy explains how our mobile application collects, uses, and safeguards information when you use our shift tracking, overtime calculation, salary management, and duty scheduling services.


By downloading, installing, or using SKF Duty, you agree to the collection and use of information in accordance with this policy.


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2. Information We Collect

We only collect information strictly necessary to provide, manage, and calculate your duty schedules and payroll records:

• Account & Profile Information: Name, Email Address,Profile Photo, Employee ID, Designation, and Department during registration/login.

• Duty & Attendance Records: Shift dates, shift types (Day Duty / Night Duty / General), punch in & punch out timestamps, overtime hours, and leave records.

• Salary & Allowance Settings: Basic salary, hourly rates, medical/food/conveyance allowances, and tax preferences configured by you for accurate earnings calculation.

• Biometric Authentication Data: Fingerprint or Face unlock is processed locally on your physical device hardware (Android BiometricPrompt). We NEVER collect, transmit, or store biometric templates or fingerprints on any cloud server.


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3. Device Permissions & How They Are Used

To provide core duty tracking features, the App may request access to:

• Notifications (POST_NOTIFICATIONS): Used to deliver timely reminders before shift start (Day/Night duties), shift check-out prompts, and monthly duty limit alerts.

• Biometric Hardware (USE_BIOMETRIC / USE_FINGERPRINT): Used solely on your physical device for local screen lock protection.

• Internet Connection (INTERNET / ACCESS_NETWORK_STATE): Required to authenticate your account and securely sync duty logs with our cloud database.


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4. Data Security & Storage

We take data security very seriously:

• All communications between the App and our backend cloud servers are strictly transmitted over industry-standard HTTPS / TLS 1.3 encryption.

• User authentication tokens and credentials are encrypted and stored in secure device storage.

• We do NOT sell, rent, trade, or share your personal data with any third-party advertisers or data brokers.


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5. Third-Party Services

The App utilizes trusted third-party service providers that adhere to high privacy standards:

• Google Play Services: For core application distribution, security updates, and performance verification.

• Cloudflare: For secure API routing, serverless database sync, and DDoS protection.

• Expo: For runtime execution and performance optimizations.


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6. User Rights & Data Deletion

You have complete control over your personal data:

• You can review, modify, or export your recorded shift and salary data at any time inside the App.

• Complete Account & Data Deletion: You can request full deletion of your account and all associated duty records from our cloud database by contacting us directly via email.


To request data deletion, send an email to:

Email: zahirul.apps@gmail.com

Subject: Data Deletion Request - SKF Duty

Your request will be processed within 7 business days.


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7. Children's Privacy

Our App is designed for employees and workforce professionals. It is not directed to individuals under the age of 13. We do not knowingly collect personal information from children under 13.


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8. Changes to This Privacy Policy

We may update our Privacy Policy periodically to reflect app updates or regulatory changes. Any modifications will be posted on this page with an updated "Last Updated" revision date.


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9. Contact Us

If you have any questions, feedback, or legal inquiries regarding this Privacy Policy or your data, please contact:


• Publisher: ZahirLabs

• Developer: MD ZAHIRUL ISLAM

• App Name: SKF Duty

• Contact Email: zahirul.apps@gmail.com