llms.txt
# MacSentinel
> MacSentinel is a native macOS system monitor and storage cleaner for Apple Silicon (M1-M4, Pro, Max, Ultra) and 64-bit Intel Macs running macOS 14 Sonoma or later. It reads Darwin Mach kernel APIs to draw proportional treemaps of physical RSS memory, shows per-core CPU telemetry, monitors network, battery and storage in real time, and reclaims disk space with a Trash-first deep clean across 500+ applications. The Community edition is free; Pro is a one-time $39 lifetime licence with a 30-day money-back guarantee, not a subscription. Not affiliated with, endorsed by or sponsored by Apple.
## Docs
- [Download](https://sentinel.digital/download): Direct .dmg, Homebrew cask, system requirements and install steps
- [Pricing](https://sentinel.digital/pricing): Free Community edition vs Pro lifetime licence, and what Pro unlocks
- [FAQ](https://sentinel.digital/faq): Compatibility, licensing, activation, refunds and security answers
- [Support](https://sentinel.digital/support): Help with licensing, installation, cleaning or refunds
- [Release notes](https://sentinel.digital/release-notes): Version history and what changed in each release
## Product
- [AI Assistants (MCP)](https://sentinel.digital/ai-assistants): Connect Claude Desktop, Claude Code, Codex or Cursor; ask about performance, space, ports and startup items; every change is confirmed on the Mac
- [Smart Care deep clean](https://sentinel.digital/smart-care): Scans 50 categories across 500+ apps for caches, scratch renders and logs
- [Activity Monitor alternative](https://sentinel.digital/activity-monitor-alternative): Why our Mach-based telemetry replaces the flat process list
- [CleanMyMac alternative](https://sentinel.digital/cleanmymac-alternative): Surgical ~/Library cleaning without the subscription
- [DaisyDisk alternative](https://sentinel.digital/daisydisk-alternative): Proportional storage treemaps plus 1-click cleanup
- [How to delete System Data on Mac](https://sentinel.digital/how-to-delete-system-data-on-mac): What System Data actually is and how to reclaim it safely
- [Mac Doctor (free tool)](https://sentinel.digital/mac-doctor): Free in-browser check of memory pressure, swap, CPU load, disk space and Xcode cache size
- [Memory cleaner and RAM monitor](https://sentinel.digital/mac-memory-cleaner): Free up RAM and read real memory pressure
- [Storage cleaner](https://sentinel.digital/mac-storage-cleaner): Visualise and reclaim disk space
- [App uninstaller](https://sentinel.digital/mac-app-uninstaller): Remove apps with their orphaned containers and leftovers
- [CPU monitor](https://sentinel.digital/mac-cpu-monitor): Per-core utilisation and the Apple Silicon E/P-core split
- [Battery monitor](https://sentinel.digital/mac-battery-monitor): IOKit PMU telemetry: wattage, temperature, cycle count, health
- [Menu bar monitor](https://sentinel.digital/mac-menu-bar-monitor): CPU, RAM, storage, network, and battery in the menu bar with Pro customization
- [On-Device AI Diagnostics](https://sentinel.digital/mac-ai-diagnostics): Apple Foundation Models SystemLanguageModel private triage and safe process quit policy
- [Network monitor](https://sentinel.digital/mac-network-monitor): Per-app bandwidth, live connections and interface throughput
## Guides
- [Mach RSS vs. Virtual Memory: How to Track Down Real Memory Leaks on macOS](https://sentinel.digital/blog/mach-rss-vs-virtual-memory-macos-treemap-guide): Memory · 7 min read
- [Why Traditional Mac CPU Monitors Lie: Understanding Apple Silicon Microsecond Execution](https://sentinel.digital/blog/why-traditional-mac-cpu-monitors-lie-apple-silicon): Apple Silicon · 6 min read
- [What is IMDPersistenceAgent & mtlcompilerservice on Mac? High CPU & Battery Fix](https://sentinel.digital/blog/what-is-imdpersistenceagent-mtlcompilerservice-mac-high-cpu): macOS Troubleshooting · 8 min read
- [Best CleanMyMac Alternative in 2026: Why Mac Power Users Are Leaving Subscriptions](https://sentinel.digital/blog/cleanmymac-alternative-why-power-users-are-switching): Storage & Cleanup · 8 min read
- [Mac Slow After Updating to macOS 27? How to Fix Lag, Battery Drain & Memory Leaks](https://sentinel.digital/blog/macos-27-slow-battery-drain-issues-how-to-fix): Apple Silicon · 7 min read
- [Gatekeeper, Hardened Runtime & Apple Notarization: What Security Means for macOS Utilities in 2026](https://sentinel.digital/blog/apple-notarization-gatekeeper-security-2026): macOS Security · 5 min read
- [The Developer’s Guide to Reclaiming 50GB+ of ~/Library Residuals, Xcode Caches & Docker Leftovers](https://sentinel.digital/blog/reclaim-50gb-library-leftovers-xcode-docker-cleanup): Storage & Cleanup · 5 min read
- [MacSentinel 1.0.14: On-Device AI Diagnostics, Pro Menu Bar Personalization & Deep Battery Telemetry](https://sentinel.digital/blog/macsentinel-1-0-14-battery-health-menu-bar-ai-diagnostics): Product Updates · 9 min read
## Optional
- [Blog index](https://sentinel.digital/blog): All engineering articles and the 50-category Smart Care library
- [System architecture deep dive](https://sentinel.digital/architecture): How the Mach kernel and Apple Silicon scheduling telemetry works
- [Privacy Policy](https://sentinel.digital/privacy): What is collected and how GDPR rights are handled
- [Terms & Conditions](https://sentinel.digital/terms): Licensing, tax, withdrawal rights and the 30-day guarantee
- [Legal Notice (Impressum)](https://sentinel.digital/legal): Company identity, registered address and responsible parties
- [Disclaimer](https://sentinel.digital/disclaimer): Third-party trademark and accuracy disclaimers
