Cachet support
Find space you can safely free. Answers in plain English.
Getting started
5 articles- Get started with CachetChoose your home folder once, let Cachet scan, then review what it found.
- Why does Cachet need my home folder?App Store apps can only see folders you choose; your home folder holds what Cachet checks.
- Reading the OverviewFree space, what's using the rest, and what you can get back now or with a little help.
- HistoryHow your free space changed over time, and how much Cachet has moved to the Trash.
- Which Macs does Cachet work on?macOS 26 or later, on Apple silicon and Intel Macs.
What Cachet cleans
3 articles- Everything Cachet looks forEvery location Cachet checks, what each one is, and what happens if you remove it.
- What's in each categoryDeveloper, package caches, app caches, old installers and logs, in plain English.
- What is "Cachet's guess · on-device AI"?For some folders Cachet suggests which app made them, using Apple's AI on your Mac.
Cleaning safely
4 articles- What happens when I clean?Cachet asks you to confirm, then moves the ticked items to the Trash. Nothing is deleted outright.
- What do High, Medium and Review mean?How sure Cachet is that an item is safe to remove, and the reasons behind it.
- Review items one by oneGo through everything Cachet found, keeping or clearing each with a single key.
- I removed something by mistakeCachet only moves things to the Trash, so anything it cleaned can come straight back.
Big space users
6 articles- Why can't Cachet remove simulators, Docker or Time Machine snapshots?macOS doesn't let App Store apps change these; Cachet shows the one step that frees each.
- Free space used by old simulator devicesOne Terminal command removes simulator devices that can no longer run.
- Free space used by DockerDocker's own command frees images and build cache that nothing is using.
- Time Machine local snapshotsmacOS removes these by itself when it needs space, so you usually don't need to do anything.
- What is purgeable space?Space macOS can free instantly when you need it; it already counts as free.
- iPhone and iPad backupsmacOS protects them; delete old ones in Storage settings.
Settings
2 articles- The menu bar itemFree space at a glance, with the biggest things worth a look.
- Cachet's settingsMenu bar item, open at login and low-space notifications, all off until you turn them on.
Purchases
3 articles- What does Cachet cost?Scanning is free. Cleaning is one purchase of €4.99 (£4.99, $4.99), with no subscription.
- Restoring your purchaseOn any Mac with the same Apple Account, choose Cachet › Restore Purchase….
- RefundsPurchases are handled by Apple, so refunds are too.
Privacy
1 articleTroubleshooting
4 articles- Cachet didn't find something I expectedIt only checks known locations, lists items of 1 MB or more, and skips Apple's own folders.
- Some items weren't movedItems that changed or vanished since the scan are skipped, and listed with the reason.
- I cleaned, but my free space didn't go upThe space comes back when you empty the Trash.
- Xcode is rebuilding everything after I cleanedExpected after clearing DerivedData; each project rebuilds once.