It's as though Apple has turned off the lights instead of using stark white backgrounds. Switching to Dark Mode in iOS truly transforms the experience, especially in apps like Messages, Calendar, and Apple Maps. In black, even Apple's Mail app looks amazing.

• It works better in low-light environments, so you may use it in bed without waking up your mate or at the movies without bothering others.
• There would be less 'blue light' emitted by your phone, which can keep you awake if you use it before bedtime.
• Can use less energy, extending the life of your phone's battery. Can potentially minimise eye strain and dryness in low-light situations.
• Dark mode, according to some experts, can aid persons with light sensitivity or vision impairment.

Read More: How good is iOS 13 dark mode?