In accordance with privacy regulations, we disclose the third-party SDKs used in SMS Guard. These SDKs help us provide a better service experience.

RevenueCat
Subscription Management

Handles in-app subscriptions and manages Plus membership status. Collects anonymous subscription event data.

Data Collected: Device identifier, subscription status

Purpose: Subscription verification, receipt processing

View Privacy Policy
Firebase Analytics
Analytics

Google's app analytics service that helps us understand how users interact with the app for continuous improvement.

Data Collected: Anonymous usage statistics, device information

Purpose: Product analytics, feature optimization

View Privacy Policy
Firebase Crashlytics
Crash Reporting

Real-time crash reporting tool that helps us quickly identify and fix app issues to improve stability.

Data Collected: Crash logs, device status

Purpose: Issue diagnosis, quality assurance

View Privacy Policy
TensorFlow Lite
Machine Learning

Google's lightweight machine learning framework used to run SMS classification AI models locally on device.

Data Collected: None

Purpose: Local AI inference

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Data Security Statement

We take user privacy and data security very seriously:

  • All message content is processed locally on your device and is never uploaded to any server
  • Third-party SDKs used are from reputable industry vendors and comply with privacy regulations
  • We regularly review SDK data processing behavior to ensure compliance with our privacy policy
  • You can choose to limit ad tracking and analytics data collection in your device settings

Contact Us

If you have any questions about the SDKs we use, please contact:

Email: xiaofuhai@outlook.com