MellowCat - Desktop Pet

System Monitor & Menu Bar

Only for Mac

Free · In‑App Purchases

Mac

Meet your Mac’s little companion. Check CPU, memory, storage, battery, and network status from the menu bar, see recent trends, and enjoy an interactive desktop cat. Your Mac's status, with a little personality. MellowCat combines a Mac system monitor with an interactive desktop cat. Check essential system information from the menu bar, explore recent trends in the dashboard, and enjoy a little companion that reacts to your Mac. KEEP AN EYE ON YOUR MAC • Check CPU and memory usage at a glance. • See storage usage and available space. • View battery level, charging status, and cycle count when supported. • Follow network upload and download activity. • Explore CPU, memory, and network charts for the last 10 minutes, 30 minutes, or 1 hour. • Understand system status with clear, easy-to-read explanations. MEET YOUR DESKTOP CAT • Enjoy an animated cat right on your desktop. • Click to say hello, double-click to open a compact Mac status card, or drag your cat to a new spot. • See your cat react to system activity and mouse movement. • Choose how your companion looks and behaves. SIMPLE TO USE • Get a quick overview from the menu bar. • Dive deeper with the sidebar dashboard. • Turn on optional launch at login. • Keep an eye on your Mac without a complicated interface. MORE WITH MELLOWCAT PRO Start with the free features, then unlock additional cat characters, pet sizes, and menu bar icon styles with a one-time Pro purchase. No subscription. System values are obtained through public macOS APIs and may differ from Activity Monitor. Available metrics vary by Mac model.

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MellowCat 1.1.0 Update We've made it easier and more intuitive to keep an eye on your Mac. • Redesigned the menu bar overview and main dashboard for a clearer view of your Mac's status. • Added CPU, memory, and network activity charts with 10-minute, 30-minute, and 1-hour views. • Improved status consistency across the menu bar, dashboard, and desktop pet, with clearer status messages. • Double-click your desktop cat to open a compact card showing your Mac's key system information. • Added a welcome guide for new users and an optional Open at Login setting. • Refined the interface and interactions while preserving existing Pro purchases and restore functionality.

Version 1.1.0

The developer, ChanGyu Kang, 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
    ChanGyu Kang
    Size
    14.1 MB
    Category
    Utilities
    Compatibility
    Requires macOS 14.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    Languages
    English and 16 more
    • English, Danish, Dutch, Finnish, French, German, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Nicechann Studio
  • Developer Website
  • Privacy Policy

    • More by ChanGyu Kang