Yes, you should be backing up your iPhone every day. Here’s how

Despite the wealth of critical personal data our iPhones hold, many people don’t back up their devices regularly. Usually, this is because the amount of data they’d need to back up in iCloud would vastly exceed their available iCloud storage space—and they don’t want to pay extra each month for an iCloud Plus subscription. Other times, people assume their iPhone data doesn’t change that much day to day, so they don’t need to back up their iPhone that often.