Eran Kinsbruner on why mobile apps fail and how to test the real-world digital experience.

Eran Kinsbruner of Perfecto explores the next generation of mobile testing, using PlayStation 5 and Black Friday app crashes as examples of poor mobile performance and coverage. He argues the industry is moving toward micro apps (Android APKs, iOS App Clips, PWAs) that improve UX and are easier to test, and stresses testing on real devices under realistic conditions rather than emulators. Key themes include multi-language and accessibility testing (including foldables), race conditions from other apps and notifications, device and OS fragmentation captured in his mobile index, and onboarding as the biggest UX risk. The discussion widens into shift-right testing, digital twins built from telemetry, chaos engineering, unbreakable pipelines, and AI-driven test-impact analysis to make production monitoring and continuous testing more realistic.

**In this episode:**

**Guest:** Eran Kinsbruner — Chief Evangelist / Author, Perfecto  

> “Either you test for the real world, or you kind of wait and pray for things to work for you, but we know that it usually doesn't work that way.”

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