Medical Courier San Diego is a training app that teaches you to become a medical courier in San Diego: 18 lessons across 6 modules, live drills (cold chain, chain of custody, STAT deliveries), quizzes, badges, a certificate, a hub for official steps (HIPAA/OSHA training, CA DMV record, business tax certificate), and a Jobs Hiring Now section with real openings at labs and hospitals. First lesson free; full course is a one-time $50 payment via Venmo, no subscription.