ALRM

ALRM transforms your iPhone into a personal safety companion, providing peace of mind for the deaf and
hard-of-hearing community through intelligent sound detection and multi-modal alerting.
Key Features:
• Critical Sound Detection - Uses advanced AI (YAMNet with 521 sound classes) to detect fire alarms, smoke
detectors, gunshots, emergency vehicle sirens, and low battery chirps with industry-leading accuracy
• Multi-Modal Alerts - Instant notification through screen flash, LED flash, custom haptic patterns, and visual
overlays ensuring you never miss critical alerts
• Privacy-First Design - All sound processing happens on-device. No audio is ever recorded or transmitted
• Accessibility Excellence - Simplified UI designed for users with varying technical literacy, WCAG 2.1 AAA
compliant
• Geofence Alerts - Customizable alert zones for home, work, or any location
• Works Offline - Core detection features work without internet connection
• Battery Optimized - Adaptive power management ensures all-day protection
Perfect for:
Deaf and hard-of-hearing individuals seeking independence
Parents of deaf children wanting peace of mind
Elderly users with hearing loss
Anyone in noisy environments who might miss critical alerts
Supported Sounds:
Fire and smoke alarms
Carbon monoxide detectors
Gunshots and explosions
Emergency vehicle sirens (police, ambulance, fire)
Low battery chirps from smoke detectors
ALRM was developed in close collaboration with the deaf community to address real safety needs. Every
feature has been thoughtfully designed to provide maximum safety with minimal complexity.
Note: This app requires microphone access for sound detection. All processing is done locally on your device
for maximum privacy.