The search results do not reference a specific "Lungo 1.9.0" product in a way that suggests a single official version or review of that title. Instead, "Lungo" and "1.9.0" appear in two distinct contexts: as a for preventing sleep and as a grind setting for manual coffee brewing. Lungo macOS App

Includes a "Deactivate When on Battery" preference to save energy.

: At a setting of 1.9, the coffee typically yields a cleaner, finer crema compared to coarser settings.

Lungo is a popular utility for macOS designed to prevent your computer from falling asleep or dimming the screen. While the current version has advanced to (as of October 2025), earlier versions like 1.9.x were part of its development history on the Mac App Store . Key Features :

Prevents sleep during presentations, long reads, or video watching. Offers right-click activation from the menu bar.

: Users experimenting with this setting on the Picopresso reported that while it produced good crema, achieving desired sweetness remained a challenge, often leading to a profile that was more balanced but less "sweet" than expected.