What Are Badges on iPhone? How App Notification Badges Work
If you've glanced at your iPhone's home screen and noticed small red circles with numbers sitting in the corner of your app icons, you've already met badges. They're one of those features most people use every day without ever stopping to think about how they actually work — or how much control you have over them.
The Basic Definition: What iPhone Badges Are
Badges are the small numerical indicators that appear on the upper-right corner of app icons on your iPhone's home screen, Lock Screen, and in the App Library. They're part of iOS's broader notification system, designed to give you an at-a-glance count of unread or pending items without requiring you to open the app.
A badge on your Mail app showing "14" means 14 unread emails are waiting. A badge on Messages means unread texts. A badge on the App Store means app updates are available. The number itself is generated by the app — either through a server-side push (the app's backend sends a count to Apple's Push Notification Service) or through local notification scheduling happening on the device itself.
Badges are one of four standard notification delivery types in iOS, alongside:
- Banners — the pop-up alerts that slide in from the top
- Sounds — audio alerts
- Lock Screen notifications — items listed on your locked display
Badges are unique because they're persistent. Unlike a banner that disappears after a few seconds, a badge stays on the icon until you take action inside the app — or until the app itself clears it.
How Badges Get Their Numbers
The number displayed on a badge isn't always a straightforward count. Different apps define "badge-worthy" items differently, and that matters.
| App Type | What the Badge Number Typically Represents |
|---|---|
| Email clients | Unread message count |
| Messaging apps | Unread conversation or message count |
| App Store | Number of available app updates |
| Social media apps | Unread notifications (likes, comments, mentions) |
| Phone app | Missed calls |
| Calendar/reminders | Upcoming or overdue items |
Some apps let you configure what triggers a badge from within their own settings. Others give you no granular control at all — it's all or nothing. This variability is worth understanding before you start adjusting things.
Where Badges Appear on iPhone
Badges don't only live on the home screen. Depending on your iOS version and settings:
- Home Screen — the classic location, visible on app icons directly
- App Library — the automatically organized app view (introduced in iOS 14) shows badges on category folder icons
- Lock Screen — some notification types surface badge-style counts here
- Notification Summary — iOS 15 and later introduced scheduled notification delivery, which groups badge updates alongside other alerts
The reach of badges across the interface has expanded with each major iOS update, which is relevant if you're managing them across multiple surfaces.
How to Control Badges in iOS Settings 🔔
You have meaningful control over badges at the system level. Here's where to find it:
Settings → Notifications → [App Name] → Badges
Each app with notification permissions has its own toggle for badges. Turning this off removes the badge from that app's icon without affecting banners, sounds, or Lock Screen notifications. You can disable badges for every app independently — they're not linked to each other.
You can also:
- Turn off all notifications for an app entirely, which removes badges along with everything else
- Use Focus Modes (Settings → Focus) to suppress badge updates during specific times or activities, such as Sleep or Work modes
- Enable Notification Summary to batch non-time-sensitive badge triggers into scheduled delivery windows rather than having them update constantly
One thing iOS does not currently offer natively is the ability to change badge color or shape — those red circles are a fixed system-level design element. Some third-party apps attempt to surface more badge customization through their own settings, but this operates within whatever the app itself controls, not iOS-wide.
Why Badges Affect Your Experience More Than You Might Expect
Badge counts have a real cognitive impact. Research in human-computer interaction consistently shows that unread indicators — including app badges — create a low-grade sense of obligation or urgency, even when you're not actively looking at your phone. This is by design from an engagement standpoint, but it's worth being intentional about.
Heavy badge users — people who leave badges active across many apps — often find them useful for triage: knowing at a glance which apps need attention before opening anything. Minimal badge users tend to prefer checking apps on their own schedule, finding that visible counts pull attention in ways they'd rather avoid.
Neither approach is inherently better. The practical difference shows up in how you interact with your phone throughout the day.
The Variables That Shape How Badges Work for You
How useful or disruptive badges are depends on factors that vary significantly between users:
- Which apps you have installed and how frequently they generate updates
- Whether those apps implement badge counts accurately (some apps are notoriously bad at clearing stale badge numbers)
- Your iOS version — badge behavior has evolved across iOS 15, 16, and 17, particularly around Focus Modes and notification grouping
- How many home screen pages or App Library folders you use, which determines how visible badges are in your daily flow
- Whether you use widgets or the Dynamic Island, which can surface some notification-style information outside the badge system entirely
A user with 50 apps and active social accounts sees a fundamentally different badge landscape than someone who keeps a minimal home screen with five apps. The settings are the same — but the experience they produce isn't.