A landlord cannot prove which tenant is smoking marijuana in a no-smoking building, due to distance and lack of evidence on demand.

Existing smoke alarms detect fire smoke but cannot specifically identify marijuana smoke, and they cannot provide timestamped evidence linked to a specific unit for remote enforcement.

Severity

4High

Willingness to Pay

implied

Added

Jun 4, 2026

Implied Software Gaps

Smart detector that can identify and differentiate marijuana smoke from other smoke sources and provide unit-specific evidence for enforcement.

App Concept

UnitSniff Pro

A smart detector that distinguishes marijuana and tobacco smoke from cooking odors or steam, sends real-time alerts to the landlord's phone with unit location and timestamp, and stores event logs for evidence. Integrates with building access systems to notify security or trigger cameras upon detection.

Key Features

Marijuana-specific chemical sensor with AI classification
Real-time push notifications to landlord's smartphone
Per-unit device with tamper alert and battery backup
Event history with timestamp, unit ID, and detection type

Target Users: Small to medium multifamily property owners and managers (5-200 units) dealing with tenant smoking violations in no-smoking buildings.

Revenue Model: $199 per device one-time fee + $9.99/mo per device for cloud storage and analytics

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