A party in an apartment means a complaint from the building, sometimes a lost listing. Noise sensors measure sound levels (never conversations) and warn you as soon as a threshold is crossed, so you can message the guest before the neighbours call.

The two sensors in the directory

• Minut: a camera-free standalone sensor monitoring noise, cigarette smoke, occupancy and climate. From $5 per month per listing, plus the sensor. Connects to Guesty, Hospitable and Airbnb.
• Roomonitor: continuous acoustic monitoring, with an optional night-agent intervention service (Alarm Assistant). From €13 per month, device included. Covers noise, occupancy, smoke and climate. Connects to Guesty, Hostaway, Avantio, Lodgify.

What does it cost for 10 listings?

Minut: about €46 per month in subscription, plus buying the sensors. Roomonitor: about €130 per month, devices included. Roomonitor costs more but includes the hardware and can send someone on site.

Prevention first

The sensor acts during the stay; you can also filter beforehand. Autohost scores each booking’s risk with AI, from $0.12 per check, to block party-risk profiles.

The right habit

• Apartments in shared buildings, city centre: a sensor in every listing is the cheapest insurance.
• Weekends and public holidays: combine sensor and booking screening.

Compare Minut vs Roomonitor or the whole Security family.