Privacy Policy — Lab Technician Manager
## 1. Introduction
Lab Technician Manager ("the App") is a mobile application designed to help laboratory supervisors manage lab technicians, work schedules, attendance, leave requests, tasks, and announcements.
This Privacy Policy explains what information the App collects, how it is used, how long it is retained, and how you can request deletion of your data.
By using the App, you agree to the practices described in this Privacy Policy.
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## 2. Data We Collect
### 2.1 Data You Enter Into the App
The App allows you to enter and store the following types of information locally on your device:
- **Staff information:** name, employee ID, position, department, phone number, email address, join date, employment status, notes, and profile photos
- **Work schedules:** shift dates, start and end times, work areas, shift types, and notes
- **Attendance records:** date, check-in and check-out times, attendance status, and notes
- **Leave requests:** leave type, start date, end date, reason, status, and approver name
- **Announcements:** title, content, priority, and target role
- **Task records:** task title, description, assigned technician, due date, priority, and status
**This data is stored only on your device.** It is never transmitted to our servers or any third-party server by the App itself.
### 2.2 Advertising Data (Google AdMob)
The App displays advertisements provided by **Google AdMob**. Google may collect certain information automatically to serve relevant ads, including:
- Device identifiers (Advertising ID)
- IP address
- Device type, operating system, and language
- General location (country/region level)
- Ad interaction data (impressions, clicks)
This data is collected by Google, not by us. Please refer to [Google's Privacy Policy](https://policies.google.com/privacy) and [Google's Ads Policy](https://support.google.com/admob/answer/6128543) for more details.
To opt out of personalized advertising, you can adjust your device settings:
- Android: **Settings → Google → Ads → Opt out of Ads Personalization**
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## 3. How We Use Your Data
All data you enter into the App is used solely to provide the App's features:
- Displaying and managing staff profiles
- Generating and exporting work schedules to PDF
- Recording and summarizing daily attendance
- Processing and tracking leave requests
- Sending announcements to staff
- Managing and tracking tasks
- Generating monthly reports and charts
- Creating ZIP backup files stored on your device
We do not use your data for marketing, analytics, profiling, or any purpose other than operating the App's features.
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## 4. Data Storage and Retention
### 4.1 Where Data Is Stored
All data you enter into the App is stored **locally on your device** using a SQLite database (Drift). Photos are stored in your device's application directory. No data is uploaded to the cloud or any external server by this App.
### 4.2 How Long Data Is Retained
Your data is retained on your device **as long as the App is installed**, or until you manually delete it within the App. The App does not set any automatic expiration date for your data.
- **Staff profiles, schedules, attendance, leave, announcements, and tasks** remain stored until you delete them individually within the App or clear all data.
- **Profile photos** remain stored in the app's local storage until the associated staff profile is deleted.
- **Backup ZIP files** created by the App are stored in your device's document directory and remain there until you manually delete them.
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## 5. Data Deletion
You have full control over your data. You can delete your data at any time using the following methods:
### 5.1 Delete Individual Records
Within the App, you can delete any staff profile, schedule, attendance record, leave request, announcement, or task individually by using the delete option available in each screen.
**Note:** Deleting a staff profile also permanently deletes all associated records (schedules, attendance, leave requests) for that staff member.
### 5.2 Delete All Data
Uninstalling the App from your device will permanently delete all locally stored data, including the SQLite database and all saved photos.
### 5.3 Delete Backup Files
Backup ZIP files created by the App are saved to your device's document folder. You can delete them manually using your device's file manager.
### 5.4 Contact Us for Assistance
If you require assistance with data deletion or have questions about your data, please contact us at:
**Email:** laptrinhungdungcoich@gmail.com
We will respond to data deletion requests within **30 days**.
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## 6. Data Sharing
We do not sell, trade, rent, or share your personal data with any third parties, except:
- **Google AdMob:** For the purpose of serving advertisements as described in Section 2.2.
We do not share your staff data, schedules, attendance records, or any other App data with any external parties.
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## 7. Data Security
Since all data is stored locally on your device, the security of your data depends on the security of your device. We recommend:
- Using a screen lock on your device
- Not sharing your device with unauthorized persons
- Regularly creating backups using the App's built-in backup feature
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## 8. Children's Privacy
The App is not intended for use by children under the age of 13. We do not knowingly collect personal information from children. If you believe a child has provided personal information through the App, please contact us at laptrinhungdungcoich@gmail.com.
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## 9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. When we make changes, we will update the "Last Updated" date at the top of this page. We encourage you to review this policy periodically.
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## 10. Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or your data, please contact us:
**Email:** laptrinhungdungcoich@gmail.com