<ul><li>Real users behave differently from developers' test assumptions.</li><li>Emulators do not capture real touch interactions, network fluctuations, device-specific rendering quirks, and performance impacts accurately.</li><li>A/B testing is effective only when based on how users experience the app, accounting for real device behavior.</li><li>Real device testing tools like NativeBridge provide deep interaction metrics and enable UI-first A/B tests on actual devices for better app optimization.</li></ul>

Developers, Stop Guessing , Real Users Are Telling You What Works

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