ISS Monitor
Live ISS telemetry in your menu bar.
Category
Mobile App
Country
United States
Founded
2026
ISS Monitor is a lightweight macOS menu bar app that pulls real-time telemetry directly from NASA's systems via Lightstreamer API, updated every minute. Built by a solo developer who wanted ISS data always one click away without opening a browser tab, it displays orbital altitude, cabin pressure, cabin temperature, station mass, and yes - urine tank level.
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