Background App Refresh

Background App Refresh is an iPhone setting that allows suspended apps to periodically check for new content and updates while you aren’t actively using them. It ensures feeds are preloaded and ready to view instantly when you open an app, at the cost of some battery and cellular data.

How It Works & What It Impacts

• Better App Experience: When you switch to a different app, the previous one goes into a suspended state. Background Refresh allows that app to wake up briefly to pull the latest emails, weather updates, or social media posts so you do not have to wait for them to load upon opening.

• Battery & Data Usage: Because apps are pulling data in the background, this feature consumes extra battery life and mobile data.

• Push Notifications: Note that this setting does not control your notifications. Text messages, calendar alerts, and breaking news notifications will still push through even if Background App Refresh is turned off entirely.

How to Manage Your Settings

You can tweak this feature to fit your battery and data needs by navigating to Settings > General > Background App Refresh.

From there, tap Background App Refresh at the top to choose from three options:

1. Off: Completely disables the feature for all apps.

2. Wi-Fi: Allows apps to refresh only when you are connected to a Wi-Fi network, which saves your cellular data.

3. Wi-Fi & Cellular Data: Allows apps to refresh on both Wi-Fi and mobile data.

You can also scroll down on the main settings page and toggle the switch to "Off" for specific apps—allowing you to keep it on for essential apps (like Maps or Mail) while disabling it for power-draining games or shopping apps.

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The Difference Between Push and Fetch Notifications

The difference between push and fetch notifications lies in who initiates the communication. Push means a server "sends" information to your device the moment it arrives. Fetch means your device periodically "checks" the server at set intervals to see if there is any new information.

Push Notifications

• How it works: Your device maintains an open, quiet connection to the server. As soon as a new message or event occurs, the server instantly "pushes" it to your screen.

• Pros: You get real-time alerts without delay. It is highly efficient in terms of battery if you receive very few notifications per day.

• Cons: Can consume more battery life and data if you receive hundreds of emails or alerts daily, as your device is constantly being activated.

• Example: Instant messages (like iMessage or WhatsApp), breaking news alerts, and direct server-to-client email push protocols (like Exchange or iCloud).

Fetch Notifications

• How it works: Your device ignores real-time updates and instead periodically wakes up (e.g., every 15 minutes, 30 minutes, or hourly) to go "fetch" data from the server.

• Pros: Saves battery and cellular data by preventing constant, unpredictable background activity. You can control exactly when your device works.

• Cons: You will not get instant notifications. There will always be a delay based on your chosen time interval.

• Example: Many standard email accounts (like Gmail) are set to fetch periodically, or can be set to "Manual" so they only refresh when you open the app.

Which should you choose?

You can usually configure these settings in your device's mail or app settings (e.g., in your iPhone's Fetch New Data menu).

• Use Push if supported and instant communication is critical (like work emails or important chats).

• Use Fetch to prevent battery drain or save on cellular data, especially if you only need updates a few times a day.

For deeper dives into your device's settings, check out the Apple Support Community Guide for iPhone Mail or BlueMail Notification Explainer.

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Live Activities

Live Activities are interactive, glanceable notifications on your iPhone that display real-time information. Instead of cluttering your screen with individual text notifications, they act as a persistent widget so you can easily track the progress of ongoing events right from your Lock Screen or the Dynamic Island.

How They Work

• Continuous Updates: Rather than sending multiple push notifications, the app continuously refreshes the information within the same persistent space.

• Dynamic Island Integration: On iPhone models with the Dynamic Island (iPhone 14 Pro/Pro Max and all iPhone 15 and 16 models), these updates shrink into a small, pill-shaped display at the top of your screen. You can tap and hold to expand them or swipe to dismiss them.

• Interactive: Some Live Activities allow you to interact directly with the widget (e.g., pausing a timer, skipping a song, or checking off a grocery item) without unlocking your phone.

Common Use Cases

• Sports: Track live scores, game periods, and play-by-play updates.

• Travel: Monitor real-time progress of an Uber/Lyft (including ETA) or keep track of your flight's boarding time and gate.

• Health & Fitness: View your current workout metrics, heart rate, or a visual countdown for focus timers.

• Daily Tasks: See live status updates on food delivery, laundry progress, or your smart shopping list.

How to Manage Live Activities

You can easily enable or disable this feature on a per-app basis, or turn it off entirely for your Lock Screen:

1. Open the Settings app on your iPhone.

2. Tap Face ID & Passcode and enter your passcode.

3. Scroll down to the Allow Access When Locked section.

4. Toggle Live Activities on or off depending on your preference.

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