While I am developing the iOS app I need to test it in simulator with dark mode option so I can get more clarity about the app UI. But when I go to the Setting I am not getting option for dark mode as real device showing.
In Settings, scroll down to Developer and then Dark Appearance…
Update
In addition to the above, there are now many other ways to enable dark appearance in the simulator, as shown in the many great answers below.
• Change Environment Overrides from Xcode (@AshCameron)
• Toggle Appearance ⇧⌘A from the Simulator menu (@Shredder2794)
• Update from the command line using xcrun simctl ui booted appearance …
(@blackjacx, @tadija)
• Programmatically using overrideUserInterfaceStyle = .dark
(@thisIsTheFoxe)
• Specify UIUserInterfaceStyle
in your info.plist (@DhavalGevariya)
• Use SimGenie from Curtis Herbert… https://simgenie.app