Tidy MacPick PureMac if you want a free, open-source cleaner with scheduled cache cleaning and you’re happy deciding what each cache is. Pick Tidy Mac if you want System Data split into named parts with plain explanations, every item marked Safe to clear, Worth a look or Kept, a Space Map of your disk, and Trash-first cleaning with undo. It’s $9.99 once, for two Macs.
Side by side
| Feature | Tidy Mac | PureMac |
|---|---|---|
| Plain-English explanation of System Data | Yes | Not a focus |
| Junk sorted by how safe it is to clear | Yes | No |
| Moves to the Trash first, with undo | Yes | See their docs |
| Disk map | Yes, Space Map (treemap and sunburst) | No |
| Scheduled automatic cleaning | No, you approve each clean | Yes |
| AI tools and developer caches named | Yes (Claude, Codex, Cursor, Xcode, Docker…) | Xcode and Homebrew caches |
| Price model | $9.99 once, 2 Macs | Free (open source) |
Based on PureMac’s public website, October 2026. Prices and features change; tell us if something is out of date.
Who should pick which
Pick PureMac if…
- You want a free, open-source app you can build yourself
- You mainly want caches cleared on a schedule
- You already know which caches you can lose
Pick Tidy Mac if…
- You want to know what “System Data: 150 GB” actually is
- You want a safety verdict on each item, not just a list of caches
- You want a disk map, an uninstaller and Trash-first undo in one app
About PureMac
PureMac is a free, open-source macOS cleaner on GitHub, written in SwiftUI, positioned as a CleanMyMac alternative with no telemetry. It cleans system, Xcode and Homebrew caches and can clean on a schedule.
Get Tidy Mac
See what fills your Mac, System Data included. $9.99 once, on two Macs, with everything going to the Trash first. Use both tools if you like.