

Night mode can be enabled by tapping on the gear icon and choosing the "Turn on night mode" option. It is disabled in the same way, by tapping the gear icon and selecting "Turn off night mode."
Night mode should be a welcome addition for those iOS users who have been hoping Apple will implement its own Night Mode option, as it makes the Twitter interface much darker and more comfortable to look at in low light conditions.
Rolling out today - we're bringing night mode to iOS! 🌙 https://t.co/XxNZHQdth9 pic.twitter.com/WLwKi4H0Oe - Twitter (@twitter) August 22, 2016
Article Link: Twitter's Night Mode Now Available for iOS