Sonae Kazoe: How Much Emergency Stock Is Missing?

Why it surfaced

Sonae Kazoe turns household size, preparedness target, and current supplies into a practical shopping gap, using public guidance from Japanese ministries and the Environment Ministry. It also handles infants, older people, allergies, and pets separately—and says inputs are calculated on the device rather than sent to a server.

A Japanese household-disaster calculator that estimates shortages of water, food, emergency toilets, and cassette-gas canisters.