If you are using latest model of iPhone or iPad Pro you can enable Night Shift Mode within your device. Night shift mode will change your iPhone or iPad screen colour to warm (Yellow tint). This is very useful for using your iPhone or iPad during night time. It will reduce strain on your eyes. It helps to get better sleep after using iPhone at night. Research says that if you use your mobile phone before going to sleep it will affect your sleep pattern. So warm light will be helpful to getter sleep. Thats why apple introduced Night Shift Mode within iPhone.
If you are using iPad with iOS 11 or iOS 10, then you must try split keyboard. Split keyboard can be used within all keyboard supported application. Until now you had used normal keyboard on your iPad, but if split keyboard settings on then you can split iPad keyboard anytime using gestures or via specific key on keyboard.
Within iOS 11 Apple did many improvement to iPhone, iPad operating system. Among that changes iOS 11 added QR Code scanning support within iPhone, or iPad Camera Application. If you have iPhone or iPad updated with latest version of iOS 11 then QR Code Scanner is on by default until you disable it. In this article I explained how to Scan QR Code Using iPhone, iPad. Now no need to download third party application just for QR Code Scanning.