Privacy-First Push Notification Infrastructure for Apps
C6/10April 22, 2026
WhatA drop-in SDK and relay service that lets app developers send fully end-to-end encrypted push notifications without exposing content to Apple, Google, or local OS notification stores.
SignalCommenters are deeply aware that push notifications are a major privacy hole — content passes through Apple/Google servers and gets cached locally in OS databases outside the app's control, even for apps like Signal that encrypt in transit. Developers want to solve this but the problem is systemic.
Why NowApple's CVE fix proves OS vendors are reactive, not proactive, on notification privacy. The EU Digital Markets Act and growing regulatory scrutiny of data intermediaries create pressure for alternatives, while WebPush and background processing APIs have matured enough to make alternatives viable.
MarketPrivacy-focused app developers, encrypted messaging companies, healthcare/legal apps handling sensitive data. ~$2B notification infrastructure market. No competitor specifically solves the local-cache-on-device problem end-to-end.
MoatNetwork effects from developer adoption — once integrated into apps, switching costs are high, and the SDK becomes a standard privacy layer that compounds trust through third-party audits and certifications.
Apple fixes bug that cops used to extract deleted chat messages from iPhonesView discussion ↗ · Article ↗ · 685 pts · April 22, 2026
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