A Mac that feels slow at login often has less to do with age and more to do with what launches automatically in the background. Over time, apps, helper tools, sync services, menu bar utilities, and update agents can quietly pile up. Each one may seem small on its own, but together they can make startup longer, drain battery faster, increase memory use, and clutter the screen the moment you sign in.

The good news is that recent versions of macOS make it fairly easy to review and control what opens automatically. Whether you are using macOS Ventura, Sonoma, or Sequoia, the core process is similar. Once you know where to look, you can clean things up in a few minutes and make your Mac feel much more controlled and responsive.

Why startup apps matter

When your Mac starts, several things can happen automatically:

• Some apps reopen because they were open when you shut down or restarted.
• Some apps are set to open at login every time you sign in.
• Some background services launch silently without opening a visible window.
• Some menu bar tools load automatically and stay running all day.

This matters because every automatic launch uses some combination of CPU, RAM, storage activity, internet bandwidth, or battery power. On older Macs this can be especially noticeable, but even newer systems can feel heavier than they should if too many background items are active.

Managing startup apps helps you:

• speed up login time
• reduce clutter after startup
• improve battery life on laptops
• free up system resources
• identify apps that installed unnecessary background helpers

The main places startup behavior is controlled

In macOS Ventura, Sonoma, and Sequoia, startup-related behavior is usually controlled in three main places:

1. Login Items in System Settings
2. App-specific settings inside each app
3. The shutdown/reopen behavior of macOS itself

If you only check one place, check Login Items first. That is where most users will find the biggest improvements.

How to manage startup apps in System Settings

Open System Settings, then go to General, then Login Items.

This section is the main control center for startup behavior.

You will usually see two areas:

1. Open at Login

These are apps that launch automatically when you sign in. They are visible and relatively easy to manage.

To remove an app from launching at startup:

1. Open System Settings
2. Click General
3. Click Login Items
4. Under Open at Login, click the app you do not want starting automatically
5. Click the minus button to remove it

To add an app to launch automatically:

1. Go to System Settings > General > Login Items
2. Under Open at Login, click the plus button
3. Select the app you want
4. Confirm your selection

This is useful for apps you always want ready immediately, such as a calendar, task manager, or messaging app. But it is best to keep this list short.

2. Allow in the Background

This section is easy to overlook, but often more important than the visible startup list.

These are background items that may not open a normal app window. Instead, they may perform tasks such as:

• syncing files
• checking for updates
• handling cloud backups
• controlling peripherals
• supporting menu bar tools
• running helper processes for larger apps

You can usually toggle these on or off. If you see something you do not recognize, pause before disabling it. Some background items are required for hardware features or core app functions. For example, backup tools, antivirus software, audio interfaces, printer utilities, password managers, or cloud sync apps may depend on these helpers.

A good rule is simple: if you know what it is and do not need it running all the time, turning it off may be reasonable. If you are unsure, leave it alone until you verify what it belongs to.

Check the app itself too

Some apps bypass the need for manual setup by offering their own internal startup option. Common examples include chat apps, music utilities, clipboard managers, VPNs, launcher tools, and cloud storage apps.

Look inside the app’s settings for options such as:

• Open at login
• Launch at startup
• Start when Mac starts
• Run in background
• Start automatically after login

If you turn off startup in System Settings but the app keeps returning later, the app may be re-enabling itself through its own preferences or reinstalling a helper service during updates.

That means the cleanest fix is often to disable it in both places:

• inside the app
• in System Settings > General > Login Items

Stop apps from reopening after restart or shutdown

Sometimes the issue is not true startup apps at all. Instead, macOS is simply reopening whatever was already active when the Mac shut down.

When you choose Shut Down or Restart, macOS may show a checkbox that says something like:

Reopen windows when logging back in

If that box is checked, many apps and windows will come back automatically the next time you sign in.

To prevent that:

1. When shutting down or restarting, look for the reopen checkbox
2. Uncheck it before confirming

This alone can make startup feel far cleaner, especially if you usually leave lots of apps open.

Use the Dock for quick control

Some apps can also be controlled from the Dock.

If an app is running:

1. Right-click its Dock icon
2. Go to Options
3. Look for Open at Login

If that option is checked, clicking it will turn it off. If it is unchecked, clicking it will turn it on.

This is one of the quickest ways to manage individual apps without opening System Settings.

How to tell which startup apps you should disable

Not every startup app is bad. Some are genuinely helpful. The goal is not to disable everything. The goal is to keep only what adds clear value.

Good candidates to keep enabled might include:

• your cloud storage app if you use it constantly
• a password manager you rely on all day
• a security or backup utility
• a menu bar app you actively use every session

Good candidates to disable might include:

• apps you rarely use
• update agents for software you open only occasionally
• chat tools you do not need immediately
• media apps that serve no startup purpose
• vendor utilities left over from old hardware or software

Ask one question for each app: Do I want this running every single time I sign in?

If the answer is no, remove it from startup.

What to do if you do not recognize a background item

This happens often. You may see a helper name that looks vague, technical, or completely unfamiliar.

Do not disable random items blindly just because the name looks strange. Instead:

1. Note the exact name
2. Check whether it matches an app you installed
3. Look in the Applications folder
4. Look in the app’s settings
5. Search the developer name if one is shown
6. Disable only if you are confident it is unnecessary

Unknown items are often tied to:

• printer or scanner software
• audio device drivers
• gaming platform launchers
• antivirus or security tools
• cloud syncing tools
• menu bar utilities
• device managers for keyboards, mice, webcams, or docks

If you no longer use the parent app or hardware, the better solution may be uninstalling the related software entirely.

Remove unwanted software, not just startup access

Disabling startup helps, but it does not remove the app itself. If a program is outdated, unused, or keeps reinstalling background helpers, removing it completely may be better.

For many apps, uninstalling is as simple as dragging them from the Applications folder to the Trash. However, some programs leave behind support files, background agents, or login helpers. In those cases, use the app’s built-in uninstaller if one exists.

This is especially common with:

• antivirus tools
• printer packages
• hardware control software
• audio plugins and drivers
• system utilities

If startup items keep coming back, leftover components are often the reason.

Use Activity Monitor to spot heavy background behavior

If your Mac still feels sluggish after trimming startup apps, open Activity Monitor. You can find it in Applications > Utilities or by searching with Spotlight.

Activity Monitor helps you see which processes are consuming:

• CPU
• Memory
• Energy
• Disk activity
• Network activity

This is useful because sometimes the biggest drain is not the number of startup items, but one badly behaved background process. An app that looks harmless in the Login Items list may actually be using a lot of memory or CPU once loaded.

Look for processes that are consistently active even when you are not using the related app.

Keep startup light on laptops

MacBook users benefit the most from a clean startup environment. Extra background apps can reduce battery life, increase heat, and make the fans work harder during the first part of a session.

A good lightweight setup for many laptop users is:

• one cloud sync app if needed
• one password manager if needed
• essential security or backup software
• nothing else unless it saves real time every day

Everything else can be opened manually when needed.

Common mistakes to avoid

Disabling everything at once

If you turn off too many items in one sweep, it becomes harder to tell what caused a new problem. Change a few, then test.

Confusing reopened apps with startup apps

An app reopening after restart does not always mean it is in Login Items. It may just be macOS restoring your previous session.

Leaving old utilities installed

Unused apps can continue running helpers in the background long after you stop using them. If you no longer need the software, remove it.

Ignoring app-level preferences

An app may have its own startup switch. Turning it off in only one place is sometimes not enough.

A simple cleanup strategy

If you want a straightforward way to clean up startup apps without overthinking it, use this approach:

First, go to System Settings > General > Login Items and remove anything under Open at Login that you do not need every day.

Next, review the Allow in the Background section and turn off nonessential items you clearly recognize and do not need active all the time.

Then open your most common apps and check their settings for their own startup options.

After that, restart your Mac and see how it feels. If startup is cleaner and faster, you are done. If not, use Activity Monitor to see what is still consuming resources.

Finally, uninstall old software that no longer serves a purpose.

Final thoughts

Managing startup apps on macOS Ventura, Sonoma, and Sequoia is less about chasing technical perfection and more about reducing friction. A Mac should not feel crowded the moment it wakes up. It should open calmly, load what matters, and stay out of your way.

By checking Login Items, reviewing background permissions, adjusting app preferences, and removing software you no longer use, you can keep your system lean without sacrificing convenience. The best startup setup is usually the simplest one: only the tools you actually need, and nothing extra.