What Are iOS 16 Focus Filters and How Do They Work?

Focus filters in iOS 16 are advanced customization settings that control how specific apps and your iPhone behave when a Focus mode is active. Rather than simply muting notifications, Focus filters allow you to hide distracting content within supported apps and automatically trigger system-level settings. This guide explains what Focus filters are, how they function across iOS, and the exact steps required to set them up.

What Are Focus Filters?

Focus filters expand Apple's Focus mode beyond silencing alerts and organizing home screens. They dive directly inside apps to filter out irrelevant information based on your current context. For example, during a "Work" Focus, you can configure your email to hide personal accounts, or configure Safari to only display work-related tab groups.

Beyond filtering content inside apps, Focus filters also apply system settings tailored to specific environments, such as enabling Dark Mode or activating Low Power Mode automatically when a Focus turns on.

How Focus Filters Work

Focus filters work by linking specific app states or system toggles to a selected Focus profile (such as Work, Personal, or Sleep). Once assigned, the filters engage automatically whenever that Focus is activated—whether triggered manually, by schedule, or by location—and revert when the Focus ends.

Apple includes built-in Focus filters for core apps and system features:

  • Mail: Choose which email accounts to display, hiding personal or work inboxes to avoid distractions.
  • Calendar: Select specific calendars to view, hiding family or social events during work hours (or vice versa).
  • Messages: Filter the conversation list to only show threads from people allowed in that Focus's notification list.
  • Safari: Lock your browser view to a specific Tab Group to keep research or leisure tabs isolated.
  • System Filters: Automatically toggle Dark Mode, Low Power Mode, or silence specific app behaviors.

Apple also provides an API for Focus filters, allowing third-party developers to implement similar functionality in their own apps.

How to Set Up Focus Filters in iOS 16

Setting up a Focus filter takes only a few steps:

  1. Open the Settings app on your iPhone.
  2. Tap Focus, then select the Focus profile you want to customize (e.g., Work or Personal).
  3. Scroll down to the bottom of the screen to find the Focus Filters section.
  4. Tap Add Filter.
  5. Choose an app (such as Calendar, Mail, Messages, or Safari) or a system filter (such as Dark Mode or Low Power Mode).
  6. Configure the specific criteria, such as choosing the relevant email account or calendar.
  7. Tap Add in the top-right corner to save the filter.

Once configured, the filter will apply dynamically every time that Focus mode is active, keeping your device environment focused on the task at hand.