TOKYO, June 12 — For centuries, exhausted parents have relied on a familiar checklist when a baby starts wailing: hungry, sleepy, wet nappy, wind or simply in need of...

The apps use AI-powered tools trained on baby cries to help parents decode their children’s needs.

TOKYO, June 12 — For centuries, exhausted parents have relied on a familiar checklist when a baby starts wailing: hungry, sleepy, wet nappy, wind or simply in need of...