Check lungs in 60 sec — at home
AI stethoscope and app spots pneumonia with 97 % accuracy and guides parents step-by-step.
Parents asked for a one-tap test to catch trouble early.
When an MVP feels like a hospital form
Early build looked sterile and off-brand for families.
Four-screen flow lost 60 % of users before they recorded a sound.
Brand voice sounded clinical, not caring.
Three lean sprints
Research and positioning
Parent interviews, competitor scan, proof of clinical claims
Brand map, tone guide
UX and concept
Flash-card survey, single-screen lung test, friendly icons
UX-concept, clickable prototype
Build and launch
iOS/Android UI kit, motion states, App Store visuals
Besides launching the app we developed the investor pitch deck that was used to secure next funding round.
From medical gadget to family helper Smart survey
Flash cards replace long forms; zero jargon approach.
Friendly UI
Realistic torso model and green
highlight shows sensor application spot.
Intuitive onboarding
30-second animated tutorial boosts first-use success to 95 %.
Can real users nail it on day one?
12 patients and 3 pulmonologists ran scenario tests.
95 % logged usable sounds first try;
SUS usability score 84/100.
Proof it works and pays
93 % diagnostic match with chest X-ray (pilot launch)
1.5 × user engagement post-redesign (Mixpanel, 30 days).
€1 M seed round + EU health-tech grant closed with new pitch kit.
