Monitor your Mac
at light speed.
Flux is a minimalist, high-performance system monitor designed for power users and gamers. Real-time CPU, RAM, and Disk tracking, right in your menu bar.
Built for Performance
🚀
120Hz+ Ready
High-refresh rate UI optimized for ProMotion and Retina displays. Zero lag, even under heavy load.
🔔
Tiered Alerts
Visual warnings at 80% and critical alerts at 95% resource usage to keep your workflows smooth.
🔋
Battery Efficient
Engineered in Swift to ensure minimal CPU impact. Track your system without draining your battery.
🎨
Minimalist UI
Designed to blend perfectly into the macOS Sonoma and Sequoia menu bar styling.
📊
Real-Time Stats
Instant feedback on active CPU cores, memory pressure, and SSD write speeds.
🛠️
Open Source
Transparent and community-driven. Check the code, contribute, or fork it on GitHub.