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Backup · head to head

Apple Time Machine vs rustic

Apple Time Machine logo

Apple Time Machine

Backup

Built-in backup for every Mac

From
Free
Rated
-
Full reviewWebsite
rustic logo

rustic

Backup

Rust reimplementation of restic that reads and writes the same repository format

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Apple Time Machine apple states the Time Machine backup disk should be used only for Time Machine backups and not for storing other files, unless you split it into a separate APFS volume; rustic the project is small with a short list of active maintainers, so bus factor is a genuine consideration for software whose job is to still work in five years.
  • They diverge on capability: Apple Time Machine covers Automatic backup, rustic covers restic format compatibility.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Apple Time Machine and rustic actually diverge.

Attributes where Apple Time Machine and rustic differ
AttributeApple Time Machinerustic
Pricing modelfreeOpen source, no licence fee
PlatformsMacLinux, macOS, Windows
Founded1976Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Backup).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Apple Time Machine

  • Automatic backup
  • Hourly snapshots
  • Visual restore interface
  • Network backup
  • Encryption
  • System restore
  • macOS
  • AirPort Time Capsule

Only in rustic

  • restic format compatibility
  • Configuration profiles
  • Deduplicated encrypted backups
  • Cold and append only storage support
  • Multiple back ends
  • Library crates

What people use each for

The jobs each tool is most often brought in to do.

Apple Time Machine

  • Automatic versioned local backups of a Mac to an external drivenot rustic
  • Restoring a Mac or migrating to a new one from a local backup historynot rustic

rustic

  • An existing restic user who wants configuration files rather than long command lines in cronnot Apple Time Machine
  • Backing up a memory constrained machine where the reference implementation is uncomfortably heavynot Apple Time Machine
  • Writing to append only or cold object storage where the default tooling assumes rewritable bucketsnot Apple Time Machine
  • Keeping a second implementation available so a long lived archive does not depend on one codebasenot Apple Time Machine

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Apple Time Machine

  • Apple states the Time Machine backup disk should be used only for Time Machine backups and not for storing other files, unless you split it into a separate APFS volume
  • Apple recommends the Time Machine volume be twice the storage capacity of the Mac being backed up
  • It requires an attached external storage device or network disk; there is no built-in cloud destination
  • It backs up Macs only

rustic

  • The project is small with a short list of active maintainers, so bus factor is a genuine consideration for software whose job is to still work in five years.
  • It inherits the restic repository format, so design limits in that format, including the cost of pruning large repositories, are inherited rather than fixed.
  • Command names, flags and behaviour do not map one to one onto restic, so scripts and runbooks need rewriting rather than a binary swap.
  • Far fewer people have performed a real restore from it under pressure, and backup software is one of the few categories where being second most used is itself a risk.
  • Alternating between rustic and restic against one repository works but doubles the surface for a version incompatibility to corrupt state, so most operators should pick one and stay with it.

Pricing, plan by plan

Apple Time Machine

Free
  • Built-inFree
    • Automatic backup
    • Visual restore
    • Network backup

rustic

Free
  • rusticFree
    • Full functionality, no data limit
    • All supported storage back ends
    • Community support via GitHub

Which should you pick?

Choose Apple Time Machine if

  • You need automatic backup.
  • You want to start without paying.
  • You work on Mac.
  • You also want hourly snapshots.
Apple Time Machine review

Choose rustic if

  • You need restic format compatibility.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want configuration profiles.
rustic review

Questions people ask

Is Apple Time Machine or rustic better?
Neither clearly leads. Apple Time Machine starts at Free and rustic at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Apple Time Machine or rustic?
Apple Time Machine starts at Free and rustic at Free.
Does Apple Time Machine or rustic run on more platforms?
Apple Time Machine runs on Mac. rustic runs on Linux, macOS, Windows.
Can I use Apple Time Machine for free?
Both have a free tier, so you can try either at no cost before committing.
What is Apple Time Machine best used for?
Apple Time Machine is most often used for automatic versioned local backups of a mac to an external drive, restoring a mac or migrating to a new one from a local backup history. Of those, automatic versioned local backups of a mac to an external drive and restoring a mac or migrating to a new one from a local backup history are not what rustic is typically brought in for.
What can Apple Time Machine do that rustic cannot?
Apple Time Machine covers Automatic backup, Hourly snapshots, Visual restore interface, Network backup. rustic covers restic format compatibility, Configuration profiles, Deduplicated encrypted backups, Cold and append only storage support.

Answered from the vendors’ own pages

Apple Time Machine: Does Time Machine charge a subscription or licensing fee?

No. Time Machine is a built-in feature of macOS with no subscription or licensing costs.

Source
rustic: Can it read my existing restic repository?

Yes, that is the point of the project. Take a copy and verify before you rely on it, as with any change to backup tooling.

Apple Time Machine: What storage capacity do I need for Time Machine backups?

Apple recommends using a storage device with at least twice the storage capacity of your Mac. For example, if your Mac has 1TB of storage, your backup disk should ideally have at least 2TB.

Source
rustic: Should I switch from restic?

Only for a specific reason such as configuration profiles, memory use or cold storage handling. Compatibility means there is no cost to trying and no cost to going back.

Apple Time Machine: How long does Time Machine keep my backups?

Time Machine automatically maintains hourly backups for the past 24 hours, daily backups for the past month, and weekly backups for all previous months. The oldest backups are deleted when your backup disk is full.

Source
rustic: Is it production ready?

It is used in production by a small community, but it is younger and less exercised than the implementation it is compatible with. Test restores accordingly.

rustic: Does it support the same back ends?

The common ones, including local, SFTP, S3 compatible storage and rclone. Check the current list before committing to an unusual target.

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