Privacy Policy

Overview

SMSGuard (hereinafter referred to as "we") takes your privacy seriously. This Privacy Policy explains how we collect, use, store, and protect your information.

Core Commitment: SMSGuard's SMS filtering functionality runs entirely on your device locally. Message content is never uploaded to any server.

1. Information Collection

1.1 Information We Do NOT Collect

• Message Content - Your message content is only processed locally on your device and is never collected or uploaded
• Contact Information - We do not access your contacts
• Call History - We do not access your call logs

1.2 Information We May Collect

• Device Information - Device model, operating system version, used for product compatibility optimization
• Usage Statistics - Feature usage frequency, crash logs, used for product improvement
• Subscription Information - Subscription status provided by Apple, used to unlock Plus features

The above information is anonymized data and is not associated with your personal identity.

2. Use of Information

We use the collected information solely for:

• Providing and improving SMS filtering services
• Fixing product defects and improving stability
• Analyzing usage trends to optimize user experience
• Processing subscriptions and providing customer support

3. Information Storage and Security

3.1 Local Storage

Your custom rules and settings are stored locally on your device, with the option to sync to your other devices via iCloud. iCloud sync is protected by Apple's encryption technology.

3.2 Security Measures

We take the following security measures to protect your information:

• SMS filtering extension runs in iOS sandbox, isolated from the main app
• All data transmission uses HTTPS encryption
• Following Apple's security best practices

4. Third-Party Services

We use the following third-party services, each with their own privacy policies:

• Apple App Store - App distribution and subscription processing
• RevenueCat - Subscription management (Privacy Policy)
• Firebase Analytics - Anonymous usage statistics (Privacy Policy)

For a detailed list of third-party SDKs, please refer to our SDK List page.

5. Your Rights

Under applicable laws, you have the following rights:

• Right to Access - You can request to view information we hold about you
• Right to Rectification - You can request correction of inaccurate information
• Right to Erasure - You can request deletion of your information
• Right to Data Portability - You can export your custom rules

To exercise these rights, please contact us using the information below.

6. Children's Privacy

Our services are not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you discover that we may have collected information from a child, please contact us and we will delete it promptly.

7. Privacy Policy Updates

We may update this Privacy Policy from time to time. Updated policies will be published in the App or on our website with the update date. Continued use of the App indicates your acceptance of the updated Privacy Policy.

8. Contact Us

If you have any questions about this Privacy Policy or need to exercise your privacy rights, please contact us:

Email: xiaofuhai@outlook.com