Autonomous Vehicular Child Safety Engine
Zero Hardware. Total Protection.
SeatBell transforms your iPhone into an autonomous child safety guardian. Uses Bluetooth handshake detection and multi-sensor fusion to ensure no child is ever left behind.
- 100% Hardware-Free
- Zero In-Car Sensors Required
- < 3s Disconnect Response
- Ultra-Fast AudioGuardian™ Detection
- 4-Tier Safety Net
- Siren Escalation to Emergency Circle
- Score 100 Safe Commute
- Real-Time Trip Assessment Engine

Autonomous Architecture
The 4-Stage Safety Chain
Engineered with military-grade redundancy so a sleeping child in the backseat is never overlooked.
- 01
AudioGuardian™ Handshake
Autonomous Vehicle Detection
The moment your phone connects to your vehicle via Bluetooth or Apple CarPlay, SeatBell arms automatically in the background with zero taps or manual actions.
0 Tap Automation
- 02
Multi-Sensor Validation
Sensor Fusion Engine
Upon engine shutdown or Bluetooth disconnect, our algorithmic engine cross-analyzes accelerometer, pedometer, and Bluetooth RSSI falloff to verify departure.
Zero False Alarms
- 03
Bypasses Mute & Focus
Critical Alarm Escalation
If child safety is not acknowledged within 60 seconds, an Apple Critical Alert sirens at maximum hardware decibels, overriding Silent switches and Focus modes.
Hardware Mute Bypass
- 04
Automated Backup Dispatch
Family Circle & Emergency SOS
If unanswered, SeatBell automatically transmits high-priority SMS alerts with real-time GPS coordinates to your designated emergency family contacts.
Failsafe GPS Sharing
Visual Walkthrough
Inside SeatBell
Engineered for instinctive parental peace of mind with Apple design standards.
Protected & Driving State
Continuous trip monitoring with live safety score
SeatBell activates automatically as soon as Bluetooth connects. Shows trip metrics, connection status, driving speed, and overall parental safety rating with battery-optimized background tracking.
- Zero Battery Drain
- Safety Score 100
- Instant Disconnect Trip

Architecture & Capabilities
Why SeatBell Outperforms Physical Sensors
Hardware car seat sensors run out of batteries, break, and get left behind. SeatBell lives on your phone.
100% Software
Zero Physical Sensors
Eliminates sensor pads, battery replacements, and hardware maintenance. Operates completely through software.
Apple Critical Alert
Bypasses Silent & Focus
Authorized by Apple for Critical Alerts, cutting through hardware mute switches and Focus modes when it matters most.
Family Circle SOS
Emergency GPS Dispatch
Automatically shares vehicle GPS coordinates with your Family Circle if an escalated alert remains unacknowledged.
Habit Reinforcement
Smart Safety Score (0-100)
Real-time driving safety telemetry that motivates parents and caregivers to maintain peak vigilance.
Instant App Clip
Instant Apple App Clip
Friends, grandparents, or babysitters can activate instant vehicle protection in 5 seconds with zero app installation.
On-Device Engine
Bank-Grade Privacy
Trip calculations happen on-device. Your locations and family contacts are never tracked, sold, or shared.
Child Safety Mission
Pediatric Vehicular Heatstroke Awareness
Why automated software protection is essential for modern families
- 10 min
- A car interior reaches deadly 40°C+ levels even on mild 22°C days
- 53%
- Of child vehicular heatstroke cases occur when parents simply forgot
- 3-5x
- A young child's body temperature rises three to five times faster than an adult's
SeatBell is engineered as an auxiliary safety net. It does not replace direct adult vigilance. Always physically inspect the rear seats of your vehicle before locking. SeatBell requires background location, Bluetooth, and Critical Alert permissions to operate reliably. Review our legal terms for full liability disclosures.
Protect Your Family Today
Protect What Matters Most Today
Install SeatBell on the App Store or launch our lightweight App Clip for instant child safety on your next drive.