Ada is a global health company created by doctors to improve human health by transforming knowledge into better outcomes. Ada ... is the world's most popular symptom assessment app, with 10 million users and 20 million completed assessments. Every three seconds, someone turns to Ada for personal health guidance. Our powerful enterprise solutions help partners inform health decisions, triage to appropriate care, and reduce avoidable costs. We work with healthcare systems and providers, insurers, payers and commissioners, life sciences, employers, governments, and non-profits. read more