Open the developer menu on your simulator (Cmd+D for iOS, Cmd+M or Ctrl+M on Android) and click on “Show Perf Monitor” . This window shows the frame rate of your UI (native) and JS threads.
How do I test the performance of React Native app?
Open the developer menu on your simulator (Cmd+D for iOS, Cmd+M or Ctrl+M on Android) and click on “Show Perf Monitor” . This window shows the frame rate of your UI (native) and JS threads.