Privacy Policy

1. Introduction

We at GOMEC Electrical Tools ("we") are committed to protecting user privacy. This Privacy Policy explains in detail how we collect, use, store, and protect information when you use the GOMEC Electrical Tools mobile application ("App").

Our application is an electrical engineering calculation tool, designed to assist electrical engineers, technicians, and students in their daily work.

2. Information We Collect

2.1 Information We DO NOT Collect

We are committed to NOT collecting the following types of information:

• Personally Identifiable Information: Name, email, phone number, address, date of birth
• Identification Information: ID card/CCCD number, passport, driver's license
• Location Data: GPS location, current location or movement history
• Financial Information: Credit cards, banking information, payments
• Biometric Data: Fingerprints, facial recognition, voice
• Contact Information: Contact lists, address book

2.2 Information Stored Locally on Device

The app uses React Native's AsyncStorage to store data directly on your device:

2.2.1 Calculation History

• Content: Electrical calculations you have performed
• Details: Module used (power-current, voltage-drop, cable-size, kw-hp, unit-converter)
• Input Data: Values entered by users (numbers, units)
• Results: Formatted calculation results
• Time: Timestamp for each calculation
• Limit: Maximum 20 items per module

2.2.2 Favorites

• Content: Calculations marked as favorites
• Purpose: Quick access to frequently used calculations

2.2.3 App Settings

• Language: Vietnamese (vi) or English (en)
• Theme: Light, dark, or system
• Default Voltage Settings: 1-phase voltage (220V) and 3-phase voltage (380V)

2.2.4 Interface Settings

• Color Theme: Stored preference for light/dark/system theme
• Interface Language: Stored preference for vi/en language

3. How We Use Information

3.1 Primary Usage Purposes

• Service Provision: Ensure the app functions correctly
• Local Storage: Help you access calculation history and settings
• Personalization: Apply your chosen language and theme

3.2 No Personal Data Sharing

We are committed to:

• NOT SELLING your personal information to third parties
• NOT SHARING personal data with advertising partners
• NOT TRANSMITTING personal information off your device

4. Storage and Security

4.1 Local Storage

• Storage Location: All personal data is stored on your device
• Technology: Uses React Native's built-in encrypted AsyncStorage
• Control: You have full control over your data

4.2 Security Measures

• Encryption: Data is encrypted on device
• No Transmission: Personal data is not sent to our servers
• Access Limitation: Only the app can access stored data
• Safety: Industry-standard security measures applied

4.3 Retention Period

• During Use: Data is stored as long as the app is installed
• Upon Uninstall: All data is permanently deleted
• Manual Deletion: You can delete history and favorites at any time

5. User Rights

5.1 Access Rights

• View History: View all performed calculations
• View Favorites: View marked calculations
• View Settings: Check stored preferences

5.2 Edit Rights

• Delete History: Delete individual items or entire history
• Manage Favorites: Add or remove favorite items
• Change Settings: Update language, theme, default voltage

5.3 Deletion Rights

• Delete All Data: Uninstall app to delete everything
• Selective Deletion: Delete specific data types

5.4 Withdrawal Rights

• Stop Using: Uninstall app at any time
• Disable: Turn off storage features in settings

6. Child Protection

This app is not directed at children under 16 years of age and:

• DOES NOT COLLECT personal information from children
• DOES NOT USE children's information for commercial purposes
• WILL DELETE IMMEDIATELY if children's information is inadvertently collected

7. Legal Compliance

We comply with Vietnamese legal regulations:

• Decree 13/2023/NĐ-CP on personal data protection
• Cybersecurity Law 2018
• Information Technology Industry Law

8. Policy Changes

8.1 Updates

• We may update this Privacy Policy from time to time
• Changes will be notified within the app
• New versions will take effect immediately upon posting

8.2 Notifications

• In App: Display notifications when updates occur
• Effective Date: Always clearly state new effective date
• Storage: Keep old versions for reference

9. Contact and Support

If you have questions about this Privacy Policy:

9.2 Response Times

• Email: Within 24-48 business hours
• Data Deletion Requests: Immediately if possible

9.3 Complaints

• If you are not satisfied with how we handle your data
• We will investigate and respond as soon as possible

10. Additional Terms

10.1 Third-Party Services

The app may use:

• Expo Services: For app building and deployment
• React Native Libraries: Open source libraries
• Store Platforms: Google Play Store, Apple App Store

These services have their own privacy policies and we are not responsible for their practices.

10.2 External Links

The app may contain links to:

• Our website
• Technical documentation
• Reliable resources

We are not responsible for the content and privacy practices of external websites.