Comparison

SuperDuper! (Shirt Pocket) vs Clonezilla

SuperDuper! (Shirt Pocket) lands on Worth it, and Clonezilla lands on Depends.

SuperDuper! (Shirt Pocket)

shirt-pocket.com

Worth it

Confidence: Medium

Buy it if you're on a Mac and want bootable clones as a cheap one-time Time Machine complement . two decades of goodwill back it up.

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Clonezilla

Depends

Confidence: Medium

Buy it if you're a comfortable tech who wants free, powerful disk imaging . experts swear by it.

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SuperDuper! (Shirt Pocket) versus Clonezilla
Compare	SuperDuper! (Shirt Pocket)	Clonezilla
Verdict	Worth it	Depends
Best for	Mac users wanting bootable clones	IT admins imaging many PCs
Who it's not for	Windows or Linux shops . Mac-only	Beginners wanting one-click clones . real overwrite risk
Privacy	One 2025 disclosure: local root privilege escalation in v3.10 and earlier; no vendor security page found.^⁸	No known public vulnerabilities found in the sources reviewed.¹²
Support quality	Forum praise: fast, thoughtful, helpful	Community forums only, no vendor
Public sentiment	Longtime Mac users call it reliable and easy, praising the support; several switched to it from Carbon Copy Cloner.^⁵	Users consistently call it free and powerful but strictly expert territory, with genuine fear of overwriting disks.¹⁴
Biggest gotcha	Run the latest version: root escalation in v3.10 and earlier disclosed Dec 2025; public patch status unconfirmed.^⁸	Cloned Windows machines can produce duplicate SIDs, breaking domain joins

Pick SuperDuper! (Shirt Pocket) when

Mac users wanting bootable clones
Time Machine users adding a second layer
Non-technical users ('mere mortals')
Owners of older Macs (Classic builds)

When SuperDuper! (Shirt Pocket) is not a fit

Windows or Linux shops . Mac-only
IT teams managing fleets . no central console
Anyone wanting cloud or versioned file-history backup
People satisfied with free built-in Time Machine

Pick Clonezilla when

IT admins imaging many PCs
Disk upgrades (e.g. 256GB SSD to 1TB)
Linux users backing up full drives
Zero-budget technicians

When Clonezilla is not a fit

Beginners wanting one-click clones . real overwrite risk
Non-technical users who need a GUI
Anyone needing vendor support or an SLA
Mac users . use Mac-specific cloners instead

Sources

Shirt Pocket . SuperDuper! official siteshirt-pocket.com
official
SuperDuper! 4 revamp review . TidBITStidbits.com
review
SuperDuper! 4 review . Six Colorssixcolors.com
review
Bootable Mac backups ode . Daring Fireballdaringfireball.net
news
SuperDuper praise thread . MPU Talktalk.macpowerusers.com
review
Why I prefer SuperDuper over CCC . MacRumorsforums.macrumors.com
review
SuperDuper backup comments . Apple Discussionsdiscussions.apple.com
review
SDAgent root escalation disclosure . Blueskybsky.app
security
Update mechanism issue, v3.10 and before . GitHubgithub.com
security
SuperDuper! listing . MacUpdatesuperduper.macupdate.com
review
Clonezilla - Aboutclonezilla.org
official
Clonezilla security pageclonezilla.org
security
Clonezilla: Open-source disk imaging with multicast supportalternativeto.net
review
Recommendation for Win10 clone software?dpreview.com
review
Free Cloning softwareelevenforum.com
review
Shoutout to Carbon Copy Clonerreddit.com
review