https://vibesflyer.com/flyer https://vibesflyer.com/flyer/blog https://vibesflyer.com/flyer/blog/analytics-for-ai-built-mobile-apps2026-06-05 https://vibesflyer.com/flyer/blog/firebase-analytics-expo-setup2026-06-05 https://vibesflyer.com/flyer/blog/mobile-metrics-glossary2026-06-05