Mac security that explains itself

Your Mac runs dozens of programs at startup. Some are updaters you installed. Some are spyware. Shadow Sentinel finds them all — and tells you, in plain English, which is which.

Free · macOS 14+ · Apple Silicon & Intel · Notarized by Apple

The problem nobody solves

Every scanner shows you a list. Then what?

Traditional tools match known malware signatures and shrug at everything else — leaving you with a wall of technical entries and no idea which matter. Shadow Sentinel adds a security analyst that reads each one and explains it.

What other tools show you

com.updater.helper.plist
~/Library/LaunchAgents/
Status: unsigned · runs at login

Technically accurate. Completely unhelpful. Is it dangerous, or is it the printer driver you installed last year?

What Shadow Sentinel says

com.updater.helper.plist
~/Library/LaunchAgents/
Status: unsigned · runs at login
Malicious · high confidence

This startup item runs a script that downloads and executes code from a remote server every time you log in. Legitimate software never does this. Recommended: quarantine.

Protect

Watch, judge, respond

Real-time monitoring backed by signature matching, code-signature verification, and AI judgment for everything in between.

🛡️

Startup & persistence scan

Inspects every LaunchAgent and LaunchDaemon — where Mac malware hides to survive reboots — against a database of known families.

👁️

Live monitor

Watches those folders in real time. The moment anything installs itself at startup, you're notified — with an explanation of what it is.

🧠

Sentinel AI analyst

Reviews the items rules can't judge and gives a verdict in plain English: benign, suspicious, or malicious — with reasoning.

⚙️

Process inspector

Flags running processes with malware tells: executing from temp folders, hidden directories, or unsigned binaries in odd places.

🌐

Browser hygiene

Audits extensions across Chrome, Brave, Edge, Arc, Firefox and Safari, and detects hijacked homepage and search settings.

Protection checkup

Verifies macOS's own defenses — SIP, Gatekeeper, FileVault, firewall, XProtect — and explains how to fix anything that's off.

Clean

Reclaim the space

Everything Shadow Sentinel removes goes to the Trash. Nothing is ever permanently deleted, so you can always undo it.

Cache & log cleaner

Finds what each app has quietly accumulated, sized and sorted, so you choose what goes.

🗑️

App leftovers

Support files, preferences and caches from apps you deleted months ago — still sitting there taking up space.

💾

Large & duplicate files

Files over 100 MB and hash-verified duplicate copies across your Downloads, Documents, Desktop and media folders.

📦

Complete uninstaller

Drag in any app and it finds everything that app owns across a dozen system locations — then removes all of it at once.

Pricing

The scanner is free. Forever.

Every detection and cleanup feature works without paying anything. The subscription adds the AI analyst.

Shadow Sentinel
Free
  • Startup & persistence scanning
  • Live threat monitoring
  • Process inspector
  • Browser hygiene audit
  • Full cleanup suite
  • Complete app uninstaller
  • Auto-updating threat signatures
Download
Sentinel AI
$2.99 / month
  • Everything in the free version
  • AI verdict on every startup item
  • Plain-English threat explanations
  • Instant analysis of new arrivals
  • Deep analysis for ambiguous threats
  • Cancel anytime
Start free, upgrade in app

Payments are handled by Lemon Squeezy, our authorized reseller.
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Download Shadow Sentinel

Universal build for Apple Silicon and Intel. Requires macOS 14 or later.

Download for Mac — 2.3 MB

Version 1.0.0 · Signed and notarized by Apple — opens with no security warnings

Built to be trusted

A security app should hold itself to a higher standard

Nothing is ever deleted

Every removal goes to the Trash. If Shadow Sentinel gets something wrong, you restore it in one click.

Your files stay yours

AI analysis sends item metadata only — names, paths, signature status. Never the contents of your files.

Notarized by Apple

Signed with a Developer ID and verified by Apple, so macOS opens it without warnings.

It complements macOS

Works alongside XProtect and Gatekeeper. It never disables or replaces your Mac's built-in protection.