Everything You Need to Track Your Health
From quick symptom logging to deep pattern insights, Leo covers every aspect of health tracking.
Unified Timeline
See medications, symptoms, events, and vitals on one chronological timeline. No switching between screens.
100+ Symptom Library
Log from a comprehensive library organized by 14 body systems. Custom symptoms supported too.
Interactive Body Map
Tap exactly where it hurts. Front and back views with region-specific sub-symptoms for precise logging.
Medication Linking
Track which medications help or cause symptoms. See correlations over time automatically.
Insights Engine
Smart pattern detection finds triggers, trends, and medication correlations you might miss.
Provider PDF Reports
Generate comprehensive reports for doctor visits. Include severity trends, triggers, and medication response.
See the Health Hub in Action
Interactive demo of Leo's unified symptom tracking, body mapping, and health insights.
14 Body Systems, One App
Comprehensive symptom tracking organized by body system, with common symptoms ready to log.
Neurological
Headache, Migraine, Dizziness, Brain Fog
Gastrointestinal
Nausea, Bloating, Cramping, Acid Reflux
Respiratory
Wheezing, Cough, Chest Tightness
Cardiovascular
Palpitations, Chest Pain, Rapid HR
Musculoskeletal
Joint Pain, Stiffness, Muscle Ache
Dermatological
Rash, Hives, Itching, Flushing
Mental Health
Anxiety, Low Mood, Panic, Insomnia
Endocrine
Fatigue, Temperature, Weight Changes
Urological
Frequency, Pain, Urgency
Ophthalmological
Blurred Vision, Light Sensitivity
ENT
Tinnitus, Sore Throat, Congestion
Immunological
Fever, Swollen Glands, Fatigue
Reproductive
Cramping, Cycle Changes, Discharge
General
Fatigue, Malaise, Appetite Changes
Log Complex Episodes in One Tap
Pre-built templates for common health episodes. One tap logs all related symptoms at once.
Migraine Episode
Aura, headache, nausea, light sensitivity, brain fog
POTS Flare
Rapid HR, dizziness, fatigue, brain fog, chest pressure
Panic Attack
Racing heart, shortness of breath, trembling, derealization
IBS Flare
Cramping, bloating, nausea, urgency, fatigue
Asthma Attack
Wheezing, chest tightness, coughing, shortness of breath
Arthritis Flare
Joint pain, stiffness, swelling, reduced mobility, fatigue
Connect Symptoms to Medications & Events
Leo automatically correlates your symptoms with medications, meals, activities, and other events. See which medications help, which cause side effects, and what triggers your symptoms.
Medication Response
Track how well each medication controls your symptoms
Side Effect Detection
Identify if new symptoms appear after starting a med
Trigger Analysis
Discover patterns between activities and symptom flares
Time Correlation
See if symptoms follow a predictable schedule
Smart Correlations
Track From Anywhere
Log symptoms from your wrist, home screen, voice, or browser. Your health data syncs everywhere.
Apple Watch
Quick symptom logging from your wrist. Complications show active symptom count.
iOS Widgets
Home screen widget for one-tap symptom logging without opening the app.
Siri Shortcuts
"Hey Siri, log a headache" -- voice-powered logging for hands-free use.
Web Dashboard
Full insights dashboard accessible from any browser for detailed analysis.
How Leo is Different
Most health apps track basics. Leo gives you the complete picture.
Ready to Track Your Complete Health?
Join the Leo beta and get access to the most comprehensive health tracking platform available. Your symptoms, your insights, your control.