Privacy Policy
Last Updated: October 28, 2025
Introduction
Welcome to Sentinel. We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how Sentinel ("we", "our", or "us") collects, uses, and protects your information when you use our subscription tracking application.
By using Sentinel, you agree to the collection and use of information in accordance with this policy.
Information We Collect
Information You Provide
When you use Sentinel, you may provide the following information:
- Subscription names and details
 - Payment amounts and billing cycles
 - Renewal dates and notifications preferences
 - Categories and custom tags for subscriptions
 - Notes and reminders you create
 
Automatically Collected Information
We may automatically collect certain information including:
- Device information (device type, operating system version)
 - App usage statistics (features used, session duration)
 - Crash reports and diagnostic data
 
How We Use Your Information
We use the collected information for the following purposes:
- To provide and maintain the Sentinel app functionality
 - To generate AI-powered insights and recommendations
 - To send you subscription renewal reminders and notifications
 - To analyze spending patterns and provide analytics
 - To improve app performance and user experience
 - To detect and prevent technical issues
 - To process in-app purchases and subscriptions
 
Data Storage and Security
Local Storage
All your subscription data is stored locally on your device. We do not store your subscription information, payment details, or personal financial data on our servers.
Security Measures
We implement appropriate technical and organizational measures to protect your information, including:
- Encryption of data at rest and in transit
 - Secure storage using iOS Keychain and device encryption
 - Regular security updates and patches
 - Limited access to any collected analytics data
 
AI-Powered Features
Sentinel uses artificial intelligence to provide smart insights and recommendations. All AI processing is performed on-device whenever possible. When cloud processing is necessary for advanced features, data is:
- Anonymized before transmission
 - Processed securely and deleted immediately after use
 - Never used to train AI models or shared with third parties
 - Not associated with your identity or account
 
Third-Party Services
We may use third-party services for the following purposes:
- Apple App Store for payment processing (subject to Apple's Privacy Policy)
 - Analytics services to understand app usage (anonymized data only)
 - Cloud services for backup functionality (if enabled by user)
 
These third parties have their own privacy policies and we recommend reviewing them.
Data Sharing and Disclosure
We do not sell, trade, or rent your personal information to third parties. We may share your information only in the following circumstances:
- With your explicit consent
 - To comply with legal obligations or court orders
 - To protect our rights, property, or safety
 - In connection with a business transfer or merger (users will be notified)
 
Your Rights and Choices
You have the following rights regarding your data:
- Access and export your data at any time through the app
 - Delete your data by uninstalling the app
 - Opt-out of analytics collection in app settings
 - Disable notifications in device settings
 - Request information about data we collect
 
Children's Privacy
Sentinel is not intended for users under the age of 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 so we can delete such information.
International Data Transfers
Your information is primarily stored locally on your device. Any data transmitted to our services may be processed in countries other than your own. By using Sentinel, you consent to the transfer of your information to countries that may have different data protection laws than your jurisdiction.
Data Retention
We retain your data only as long as necessary to provide our services. Since data is stored locally on your device, you control retention by keeping or deleting the app. Any anonymized analytics data may be retained indefinitely for service improvement purposes.
Changes to This Privacy Policy
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date. You are advised to review this Privacy Policy periodically for any changes. Changes become effective when posted.
California Privacy Rights
If you are a California resident, you have specific rights under the California Consumer Privacy Act (CCPA), including the right to know what personal information we collect, the right to delete personal information, and the right to opt-out of the sale of personal information. We do not sell personal information.
GDPR Compliance
If you are located in the European Economic Area (EEA), you have rights under the General Data Protection Regulation (GDPR):
- Right to access your personal data
 - Right to rectification of inaccurate data
 - Right to erasure (right to be forgotten)
 - Right to restrict processing
 - Right to data portability
 - Right to object to processing
 
Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:
Email: privacy@sentinelpay.app
Website: www.sentinelpay.app
Response Time: We aim to respond to all inquiries within 48 hours
By using Sentinel, you acknowledge that you have read and understood this Privacy Policy and agree to its terms.