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Developer Builds Free, Encrypted Android Notification Mirroring App in React Native

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A developer has built Pairio, a free Android app that mirrors notifications between two paired devices in real time using React Native. The app uses Android's NotificationListenerService to intercept notifications, filters them against a user-defined whitelist, and transmits them via end-to-end encryption with zero data retention. A six-digit pairing code establishes a secure connection between devices, avoiding the need for user accounts or passwords. To counter Android's aggressive battery optimizations from manufacturers like Samsung and Xiaomi, the app employs foreground services, wakelocks, and automatic socket reconnection. Pairio is available on the Google Play Store at no cost, with no ads or subscription required.

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