Privacy Policy
Last Updated: July 26, 2025
1. Introduction
This Privacy Policy describes how POSku ("we," "our," or "us") collects, uses, and protects your information when you use our mobile application. POSku is a Point of Sale (POS) system designed for automotive workshops and small businesses to manage inventory, process sales, and generate reports.
Important: Your privacy is important to us. This app is designed to work primarily offline with local data storage. Most of your business data remains on your device and is not transmitted to external servers.
2. App Information
- App Name: POSku
- Developer: Vinsensius William
- Contact: vinsensius.william@gmail.com
- Website: https://vinswilliam.github.io
- App Type: Business/Productivity - Point of Sale System
3. Data Collection and Usage
3.1 Business Data (Stored Locally)
The following business data is stored locally on your device using SQLite database and is NOT transmitted to external servers:
| Data Type |
Purpose |
Storage Location |
| Product Information |
Inventory management (name, price, stock, markup) |
Local SQLite Database |
| Sales Records |
Transaction processing and reporting |
Local SQLite Database |
| Customer Information |
Optional buyer name and phone for sales records |
Local SQLite Database |
| Reports Data |
Sales summaries and business analytics |
Local SQLite Database |
3.2 Analytics Data (Optional)
We may collect aggregated, anonymous usage analytics through Firebase Analytics to improve the app experience:
- App Usage Patterns: Screen views, feature usage, session duration
- Performance Data: App crashes, loading times, error reports
- Business Insights: Aggregated sales patterns (no personal customer data)
- Device Information: Device type, operating system version, app version
Note: Analytics data is aggregated and anonymized. We do not collect specific customer names, phone numbers, or detailed transaction information through analytics.
3.3 Advertising Data
This app displays advertisements through Google Mobile Ads (AdMob). For personalized advertising:
- Advertising ID: Used to deliver relevant ads and measure ad performance
- Ad Interaction Data: Clicks, views, and engagement with advertisements
- Device Information: For ad targeting and fraud prevention
4. Third-Party Services
4.1 Google Firebase Analytics
- Purpose: App performance monitoring and usage analytics
- Data Collected: Anonymous usage patterns, crash reports, performance metrics
- Privacy Policy: Google Privacy Policy
4.2 Google Mobile Ads (AdMob)
- Purpose: Display advertisements and generate revenue
- Data Collected: Advertising identifier, device information, ad interaction data
- Privacy Policy: Google Privacy Policy
- Ad Personalization: You can opt-out of personalized ads in your device settings
4.3 Expo Platform
- Purpose: App development and deployment platform
- Data Collected: Development and deployment metrics (not user data)
- Privacy Policy: Expo Privacy Policy
5. Permissions
Our app requests the following permissions:
| Permission |
Purpose |
Required/Optional |
| Storage Access |
Store local database and app data |
Required |
| Internet Access |
Display ads and sync analytics (optional) |
Optional |
| Network State |
Check connectivity for optional features |
Optional |
| Ad Tracking (iOS) |
Deliver personalized advertisements |
Optional |
6. Data Security
We implement appropriate security measures to protect your data:
- Local Storage: Business data is stored securely on your device using SQLite database
- Data Encryption: Sensitive data transmission uses industry-standard encryption
- Anonymous Analytics: Personal identifiers are removed from analytics data
- No Cloud Storage: Your business data is not stored on external servers
7. Data Retention
- Local Business Data: Retained on your device until you manually delete it or uninstall the app
- Analytics Data: Automatically deleted by Google Firebase after 26 months
- Advertising Data: Managed by Google AdMob according to their retention policies
8. Your Rights and Choices
8.1 Data Control
- Local Data: You have full control over your business data stored locally
- Data Export: Export your data using the app's CSV export feature
- Data Deletion: Clear all data through the app settings or uninstall the app
8.2 Opt-Out Options
- Analytics: Contact us to disable analytics collection for your app instance
- Personalized Ads: Disable ad personalization in your device's privacy settings
- Ad Tracking (iOS): Use "Limit Ad Tracking" in iOS Settings
- Ad Tracking (Android): Use "Opt out of Ads Personalization" in Google Settings
9. Children's Privacy
This app is designed for business use and is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.
10. International Data Transfers
Your local business data remains on your device and is not transferred internationally. Analytics and advertising data may be processed by Google in various countries according to their privacy policies. These services comply with international data protection standards.
11. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by:
- Posting the new Privacy Policy on this page
- Updating the "Last Updated" date at the top of this policy
- Providing in-app notifications for significant changes
You are advised to review this Privacy Policy periodically for any changes.
12. Legal Basis for Processing (GDPR)
For users in the European Union, our legal basis for processing personal data includes:
- Legitimate Interest: App functionality, analytics, and improvements
- Consent: Personalized advertising and optional analytics features
- Contract: Providing the POS service you requested
13. Contact Us
14. Data Protection Officer
For GDPR-related inquiries, you can contact our Data Protection Officer at: vinsensius.william@gmail.com
15. Compliance
This privacy policy is designed to comply with:
- Google Play Store Developer Policy
- Apple App Store Review Guidelines
- General Data Protection Regulation (GDPR)
- California Consumer Privacy Act (CCPA)
- Children's Online Privacy Protection Act (COPPA)
Effective Date: This Privacy Policy is effective as of July 26, 2025, and applies to all users of the POSku mobile application.