Best OmniDiskSweeper Alternatives for Mac (2026)

OmniDiskSweeper (Free): Free list-based disk space finder. Its main strength: Free from a well-known Mac developer. Its main gap: Only lists and deletes, never compresses. Here are 4 alternatives and what each one is best at.

AppPriceBest for
MediaOptim$14.99 one-timeFinding and compressing big videos, photos and audio
CleanMyMac$90/year (Subscription)All-in-one Mac maintenance tool
DaisyDisk$9.99 (One-time)Beautiful disk space analyzer
GrandPerspectiveFree (Open source)Free treemap disk usage analyzer

1. MediaOptim

$14.99 one-time · Mac

Pick it over OmniDiskSweeper if:

  • Your largest files are videos and photos you want to keep
  • You want an actively updated app
  • You want to compress files instead of trashing them
Full OmniDiskSweeper vs MediaOptim comparison

2. CleanMyMac

$90/year (Subscription) · All-in-one Mac maintenance tool

  • All-in-one Mac maintenance (cache, malware, uninstaller)
  • Beautiful, polished interface
  • System health monitoring
  • Expensive annual subscription ($90/year adds up fast)
CleanMyMac vs MediaOptim

3. DaisyDisk

$9.99 (One-time) · Beautiful disk space analyzer

  • Best-in-class disk visualization (sunburst diagram)
  • Very affordable at $9.99
  • Beautiful, Apple Design Award-winning interface
  • Cannot compress or optimize any files
DaisyDisk vs MediaOptim

4. GrandPerspective

Free (Open source) · Free treemap disk usage analyzer

  • Completely free and open source
  • Treemap view makes big files obvious at a glance
  • Quick Look previews and reveal in Finder
  • Can only show and delete files, never shrink them
GrandPerspective vs MediaOptim

When to stick with OmniDiskSweeper

  • You want a free, simple list of what is biggest on your disk
  • You plan to delete files rather than shrink them

Frequently Asked Questions

What is the best alternative to OmniDiskSweeper on Mac?
It depends on why you are leaving OmniDiskSweeper. If your storage is full of videos and photos, MediaOptim compresses them in batch for $14.99 one-time. Other options are CleanMyMac ($90/year), DaisyDisk ($9.99), GrandPerspective (Free).
Is there a free alternative to OmniDiskSweeper?
Yes: GrandPerspective (free treemap disk usage analyzer). Free tools usually cover one media type only.
What can't OmniDiskSweeper do?
Only lists and deletes, never compresses. No visual map of your disk. Not actively updated for recent macOS versions.

Ready to Free Up Storage?

Compress your videos, photos, and audio files without losing quality. One-time purchase, no subscription, 100% private.

$14.99 one-time. Free trial available. macOS only.