MoniThor — Activity Monitor

Menu Bar Performance Tracker

Only for Mac

Free

Mac

Real-time CPU, RAM, GPU, Network, Battery & Disk monitoring right in your menu bar. Beautiful dashboard, sparkline graphs, and deep customization. Better than iStat. MoniThor is the most beautiful and customizable system monitor for your Mac menu bar. See exactly what your Mac is doing at a glance — CPU usage, memory pressure, GPU load, network speed, battery health, and disk activity — all live, right in your menu bar. Whether you need to monitor RAM usage, track network bandwidth, check battery cycle count, or find what's eating your storage — MoniThor has you covered with three powerful views. MENU BAR MONITOR Your Mac's vital signs, always visible: • 6 metrics: CPU, RAM, Network, GPU, Battery, Disk • 4 display modes per metric: Text, Graph, Graph+Text, Icon+Text • Live sparkline graphs rendered directly in the menu bar • Color-coded values: green when idle, yellow under load, red when critical • Dark pill background with adjustable opacity — readable on any wallpaper • Fully reorderable — arrange metrics however you like • Adjustable sparkline width (20-50px) COMPACT SYSTEM VIEW Click the menu bar icon for detailed system info in a sleek dark panel: • Per-core CPU bars showing every P-core and E-core on Apple Silicon (M1, M2, M3, M4) • User vs System CPU split, load averages (1/5/15 min), and system uptime • Thermal pressure indicator: Nominal, Fair, Serious, or Critical • Memory breakdown: wired, compressed, cached, swap, page in/out rates • Real-time upload and download network speeds • Top 5 processes by CPU usage — instantly find what's using your processor • Battery: percentage, time remaining, health, condition, cycles, power draw • Disk usage, read/write speeds, GPU utilization and model • Fully draggable — position anywhere on screen • Every section toggleable independently FULL DASHBOARD Stunning dark overlay with all system stats at a glance: • Glow-effect sparkline graphs for CPU, RAM, GPU, and Network • Memory pressure ring gauge — instantly see if your Mac needs more RAM • Network: real-time speeds, peak tracking, Wi-Fi/Ethernet detection, local IP, public IP, IPv6 • Battery: health %, condition (Normal/Service Recommended), cycle count, watts, voltage, capacity degradation in Wh — know when your battery needs replacing • Disk: read/write speeds, purgeable space, storage category breakdown (Applications, Developer, Documents, Downloads, Photos, Music, Library), external drive detection for USB and SSD • GPU: utilization %, VRAM usage, model name • Top 5 processes by CPU and top 5 by memory with full names • Session summary: peak CPU/RAM/GPU, total network transfer, worst thermal state since launch • Resizable and responsive — auto-adjusts between 3, 2, or 1 column layout DEEP CUSTOMIZATION • 8 accent colors: Purple, Blue, Teal, Green, Yellow, Orange, Pink, Red • Change color instantly from the dashboard — no Settings needed • Independent section toggles for compact view and dashboard • Refresh rate: 1s, 2s, or 5s • Global keyboard shortcuts — fully customizable key combinations • Launch at login • Right-click context menu for quick access BUILT FOR YOUR MAC • 100% native Swift and SwiftUI — no Electron, no web views • Under 30 MB memory, zero energy impact when idle • Apple Silicon (M1, M2, M3, M4) and Intel • macOS 13 Ventura, macOS 14 Sonoma, macOS 15 Sequoia and later • Multi-monitor support • No account. No data collection. No tracking. No ads. MoniThor replaces expensive, bloated system monitors with a fast, beautiful, affordable alternative. Stop overpaying for system monitoring.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, Marcel Iseli, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Marcel Iseli
    Size
    4.3 MB
    Category
    Utilities
    Compatibility
    Requires macOS 13.0 or later.
    • Mac
      Requires macOS 13.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Marcel Iseli. All rights reserved.
  • Developer Website
  • Privacy Policy

    • More by Marcel Iseli