UI vs UX: What’s the Difference Between UI & UX Design?
Rohan Desai
Mar 15, 2026 · 8 min read
Key Architectural Takeaways
- Set up automatic thread-lock profiling to trace background app freezes (ANRs).
- Used Xcode Instruments and LeakCanary to detect 14 high-impact memory retain cycles.
- Restructured large images cache handling to prevent Out-Of-Memory (OOM) crashes.
- Introduced error boundary components to handle UI failures gracefully.
The Bleeding Dashboard
A healthcare app with 500K users was losing ground due to instability. Users experienced crashes during onboarding and critical consultation steps. Crash dashboards showed a staggering 4.2% daily crash rate. We were brought in to perform a deep-dive audit and stabilize the platform.
Our Stabilisation Checklist
- Tracked and categorized top 10 crash causes using Sentry logs. - Audited SDK initialization timings (deferred analytics libraries to non-blocking threads). - Wrapped third-party payment screens in secure error boundaries.
The Resolution
Over 90 days, we systematic patched leaking listeners and corrected database lockouts. The crash rate stabilized at 0.3%, driving user ratings back up and restoring trust.
Article Details
Rohan Desai
Mar 15, 2026
8 min read
Mobile App Development
Focus Technologies
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