App Activity
CPU, disk read/write, network download/upload — per process, sortable columns, adjustable widths. Four dimensions at once.
macOS 14+ · Apple silicon & Intel · Signed & notarized
FindDiskKiller
See what keeps using your disk.
FindDiskKiller brings app disk I/O, CPU, network, file activity, and drive-health evidence into one native macOS workspace, helping you find the source of sustained reads and writes.
100%
Local Processing
0
Data Uploaded
macOS 14+
Supported
10
Languages
Capabilities
Everything in one workspace
Stop switching between tools. See app activity, files, devices, and health — together.
File Activity
Open file locations, recently modified directories, and on-demand access tracing — start tracing any path to see who reads or writes it.
Disks & Volumes
Device throughput shown with familiar names — Macintosh HD, JianDisk — not cryptic identifiers. See which device is busy.
Temperature, lifetime reads/writes, wear level, spare capacity, power-on hours — only showing fields your hardware actually reports.
Differentiation
Не очередной системный монитор
FindDiskKiller решает одну конкретную задачу: помогает пройти от признака постоянной дисковой активности к вызвавшим её приложению, файлам и физическому накопителю.
| Conventional resource views | FindDiskKiller |
|---|---|
| Metrics split across separate views | App-centric workspace: disk, CPU, network, files together |
| Easy to see one-second spikes | 5-second rate, cumulative total, peak, and sustained patterns |
| Low-level device identifiers | Familiar volume names and storage relationships first |
| Missing values mistaken for zero | Unavailable, partial coverage, and reason explicitly shown |
| File events become a firehose of logs | Guided workflow into targeted per-file tracing |
Privacy by design
Permissions & Privacy
Start monitoring immediately. Grant additional access only when you need it.
1
Open and use
Basic CPU, disk, network, volume, and process data are available without admin privileges.
2
Approve when needed
File and directory access tracking installs a signed background component only when you choose to begin tracing.
Monitoring and analysis happen on your Mac. No process names, file paths, disk serial numbers, or monitoring history are uploaded. No ads, telemetry, or third-party tracking SDKs.
Frequently Asked Questions
How is this different from Activity Monitor?
Activity Monitor shows per-process resource usage but does not combine disk I/O, file activity, and drive health evidence in one workspace. FindDiskKiller adds time-range charts, targeted file tracing, and SMART/NVMe health data — all without sending your data off-device.
Does it work on external drives?
Yes. Physical device throughput is shown for all mounted volumes. For SMART/NVMe health data, availability depends on your enclosure and connection type. Many USB enclosures do not pass through SMART attributes; the UI explicitly marks unavailable data.
What permissions does it need?
Basic monitoring works immediately without admin privileges. File access tracing prompts for a signed background component on first use. Tracing protected locations may require Full Disk Access in System Settings. You control when tracing starts and stops.
Is my data uploaded anywhere?
No. All monitoring, analysis, and display happens on your Mac. No process names, file paths, disk serial numbers, or monitoring history are transmitted. The app contains no analytics, telemetry, or third-party tracking SDKs.
How do I completely remove it?
Quit the app, remove the background component in System Settings > General > Login Items & Extensions, then drag the app from Applications to Trash. No kernel extensions, launch daemons, or launch agents are installed. See the Uninstall page for step-by-step instructions.