Engineering Journal & Guides
Mobile Push Telemetry & Analytics Articles
Deep technical guides, gateway analysis, and client-side measurement architectures authored by Flow Vertex Core engineers.
August 15, 2026 • 8 min read
Eliminating Ghost Delivery Drops in iOS Notification Service Extensions
An architectural guide to handling background execution limits, memory caps, and timeout fallbacks in iOS UNNotificationServiceExtension to prevent lost push alerts.
August 4, 2026 • 7 min read
Diagnosing Android FCM Delivery Latency & Doze Mode Throttling
Understanding how Android Doze maintenance windows, OEM power managers, and FCM message priority settings introduce unexpected multi-minute delivery delays.
July 22, 2026 • 9 min read
Structuring Conversion Attribution Windows for Mobile Push Campaigns
Why last-touch push attribution creates misleading marketing metrics and how to implement decaying multi-window telemetry pipelines.