Head to head
| Delve | Disk Inventory X | |
|---|---|---|
| Visualization | Mixed | Treemap |
| Platform | macOS | macOS |
| Pricing | Paid Paid one-time purchase (around $5 at time of writing) | Open source Free and open source; community Xs/Y builds target Apple Silicon |
| Open source | No | Yes |
| Native Mac | Yes | Yes |
Updated September 2026 · Prices change — please verify with the vendor.
Delve
An honest APFS-aware treemap plus sunburst with collector cleanup.
＋ Delve: Strengths
- Both treemap and sunburst views with APFS-aware measurement
- Collector tray stages deletions before they happen
- Honest marketing about what can and can't be reclaimed
－ Delve: Weaknesses
- Newer entrant — fewer reviews and community resources
- macOS only, no Windows or mobile companion
- Smaller feature surface than all-in-one suites
Read the review: Delve → · Delve See alternatives →
Disk Inventory X
The classic treemap visualizer, revived for Apple Silicon Macs.
＋ Disk Inventory X: Strengths
- Free and open source with decades of trust
- Treemap plus file-type breakdowns in one window
- Community revival builds run natively on Apple Silicon
－ Disk Inventory X: Weaknesses
- Interface shows its age despite the revival builds
- No collector tray, previews, or modern sandbox handling
- Fork landscape (X vs Xs vs Y) can confuse new users
Read the review: Disk Inventory X → · Disk Inventory X See alternatives →
Verdict: Delve vs Disk Inventory X
Choose Delve if you want mixed visualization on macOS. Choose Disk Inventory X if you prefer treemap views for free on macOS. And if you want a native Mac sunburst with a staged collector and zero telemetry, NullDisk is the third option that beats both on workflow.
Frequently asked questions
Which is better, Delve or Disk Inventory X?
Delve wins on mixed visualization for macOS; Disk Inventory X wins on treemap views for macOS. On price, Paid (Delve) vs Open source (Disk Inventory X). The honest answer depends on your OS and whether you prefer maps or lists — read the verdict below.
Is there something better than both?
If you want a native Mac sunburst with allocated-size honesty, a staged removal collector, and zero data collection, NullDisk beats both on workflow — even where Delve or Disk Inventory X wins on price.