Replika grew from one woman’s attempt to hear a lost friend again into an AI companion used by millions. Its most revealing moment came when a software update made some users feel their friend had disappeared.
luna began as a period tracker. Then teenagers told its founders what they actually needed: one private place for every awkward question about growing up.
Adhera Health builds an empathic AI 'precision digital companion' for families managing pediatric chronic conditions - growth hormone therapy, type 1 diabetes, childhood obesity, autoimmune and oncology cases. The platform pairs behavioral science with personalization technology to support caregivers, improve treatment adherence, and surface what happens between clinical visits.