Maintenance

Mac maintenance: a realistic routine that fits your calendar

A Mac doesn't need to be "cleaned" every morning. macOS handles its memory, its caches and most background chores perfectly well on its own. What actually wears a machine down over the years is silent build-up: a disk that slowly fills, apps that quietly launch themselves at login, updates pushed back again and again and, above all, a backup you thought was running that stopped six months ago.

Here is a routine designed to last: a couple of minutes a week, fifteen minutes a month, half an hour a quarter. Nothing spectacular, but that is exactly what keeps a Mac responsive for five or six years.

Every week: two minutes, no more

The weekly routine has to stay light, or you'll drop it within a month. Three habits are enough:

  • Restart once a week. A restart clears temporary files, reloads system processes and applies pending updates. Leaving a Mac asleep for three weeks is not a disaster, but some app memory leaks only go away this way.
  • Glance at free space: Apple menu > System Settings > General > Storage. If the bar is close to full, don't put it off.
  • Check your backup: the Time Machine icon in the menu bar shows the date of the latest backup. If it's more than a week old, plug in the drive.

In MacNeat, the weekly maintenance reminder (Settings > Notifications) sends a notification only if no maintenance has been done that week. No nagging: if there's nothing to do, it stays quiet.

Every month: updates, space and startup

Updates

Open System Settings > General > Software Update. Minor macOS updates (for example 15.4 to 15.5) patch security flaws that are being actively exploited: they matter most. For apps, the App Store handles its own; apps downloaded directly have their own update mechanism, which is often forgotten. MacNeat's Catalogue module lists available updates by checking the App Store, Homebrew and the update feeds built into apps.

Disk space

Aim for at least 15 to 20% free space on your startup disk. Below that, macOS runs short of room for virtual memory, local snapshots and updates, which often need more than 20 GB of temporary space. The usual suspects: the Downloads folder, developer caches, Mail attachments, old iPhone backups. Our guide on how to free up disk space on a Mac covers each one.

Login items

In System Settings > General > Login Items & Extensions, review the "Open at Login" list and the section of items allowed in the background. Every app you install tends to add itself there. Turn off what you don't use daily: startup gets faster and memory is under less pressure.

Every quarter: the big sort-out

Every three months, set aside half an hour for what you can't see:

  1. Tidy up your apps. Anything you haven't opened in a year can go, but cleanly: dragging an app to the Trash often leaves preferences, caches and support data behind. See our article on clean uninstalls.
  2. Spot Intel apps on an Apple silicon Mac. They run through Rosetta, more slowly, and Apple has announced that Rosetta is being phased out: better to look for a native version now.
  3. Review permissions in System Settings > Privacy & Security: camera, microphone, Full Disk Access, Accessibility. An app that no longer needs access shouldn't keep it.
  4. Test a restore. Open Time Machine, find a file from a month ago and restore it. A backup you've never tested is only a hypothesis.

Every year: hardware and the long view

Once a year, check the battery on laptops: System Settings > Battery, then the info button next to "Battery Health". Apple considers a recent MacBook battery consumed at around 1,000 cycles or when its capacity drops below 80%. Take the opportunity to dust the vents with a can of compressed air held upright, and clean the screen and keyboard with a slightly damp microfiber cloth, never spraying anything directly on the display.

It's also the right moment to review your backup strategy: a five-year-old Time Machine drive deserves to be replaced before it fails. We explain the 3-2-1 rule in our article on data protection.

What you can safely stop doing

A good routine is also about what you stop doing:

  • Repairing permissions. This 2000s ritual has been gone since OS X El Capitan (2015): the system protects its own files through System Integrity Protection (SIP).
  • Purging RAM on a loop. "Full" memory isn't a problem: macOS uses spare RAM as cache and hands it back the moment an app needs it. The right indicator is memory pressure, in the Memory tab of Activity Monitor. If it stays green, there's nothing to do. Freeing memory once after a heavy work session can help; purging it every ten minutes does not.
  • Clearing caches every day. A cleared cache is rebuilt immediately, at the cost of a slower Mac for a few hours. Cleaning makes sense when caches grow huge or stale, not as a daily reflex.
  • Installing three utilities that do the same job. Each one adds its own background agents. One well-chosen tool is enough.

If your Mac is still slow, maintenance is rarely the culprit: see our guide slow Mac: what to do.

Where MacNeat saves you time

MacNeat was built around this routine, not to replace it with a magic button:

  • Éclair (quick maintenance) combines in a single pass the cleanup of caches, logs and developer leftovers, a few targeted maintenance tasks (flushing the DNS cache, freeing memory, compacting the Mail index) and an in-house security check.
  • Clarté breaks down junk files by category: system files, AI files (models and local tool caches), local Mail attachments, trash bins.
  • Élan brings together maintenance tasks, login items and background items.
  • Bilan shows your Mac's health, the space you've reclaimed and concrete recommendations: disk almost full, no maintenance for a week, battery getting older.

Scheduled scans (daily, weekly or monthly) run the analysis at the time you choose, and nothing is deleted without your approval. Everything goes through the Trash, and every operation is logged and can be undone. Scanning is free; deletions require a license, with a 7-day trial. MacNeat runs on Apple silicon and Intel Macs, and everything is processed locally.

Frequently asked questions

How often should I clean my Mac?
A full cleanup once a month is enough for most people. A quick check of free space and backups each week avoids nasty surprises. Cleaning every day is counterproductive: caches are rebuilt straight away.
Should I shut down my Mac every night?
No. Sleep on recent Macs uses very little power and lets macOS run its background tasks overnight. One restart a week is enough.
How much free space should I keep on my disk?
Aim for 15 to 20% of your startup disk, and at least 25 to 30 GB so macOS updates can install without trouble.
Can a maintenance utility damage my Mac?
A tool that deletes system files directly can. MacNeat skips protected areas, moves everything to the Trash and logs each operation so it can be undone. A simulation mode even lets you test everything without changing a thing.