A mobile app that takes current room temperature (entered manually or pulled from a connected smart home device) and the baby's age/weight, then recommends the exact clothing layer and sleep sack TOG combination needed. The app provides a clear safe/unsafe indicator, explains the reasoning, and sends proactive alerts if room temperature drifts outside the safe window overnight.

Smart home thermostats and baby monitors with temperature sensors are now mainstream, creating a natural integration layer that didn't exist five years ago. Post-pandemic, a wave of new parents is highly research-driven and app-native, actively seeking data-backed reassurance tools for infant care.