Your Complete Medical Journal
A unified hub for chronic condition management featuring a three-segment design with Journal, Timeline, and Insights tabs. Use @mention linking to connect entries to any health data, guided prompt packs, smart trigger analysis, doctor visit preparation, and pain-state optimized logging designed for migraines, fibromyalgia, IBS, and anxiety disorders.
Migraine Episode
02:45:32
Severe Headache
Severity: 8/10 • Behind eyes
Barometric Pressure
1008 hPa ↓5.2
Pre-Built Condition Packs
Get started instantly with curated symptom lists, common triggers, and episode templates designed by healthcare professionals for specific chronic conditions.
Migraine / Headache
Symptoms
Common Triggers
Fibromyalgia
Symptoms
Common Triggers
IBS / GI Disorders
Symptoms
Common Triggers
Anxiety / Panic
Symptoms
Common Triggers
Journal, Timeline & Insights
The Medical Journal now features a powerful three-tab architecture that separates your health data into intuitive segments - making it easier to write, review, and understand your health journey.
Journal Tab
Your personal health diary with guided prompt packs. Write free-form entries, answer structured prompts, and use @mention linking to connect entries to any health data.
Timeline Tab
A chronological feed of all your health events - symptom logs, medication doses, vitals, sleep records, workouts, and journal entries - unified into one scrollable timeline.
Insights Tab
Analytics dashboard with your Health Score (0-100), symptom trends, trigger correlations, cross-data analysis, and medication effectiveness tracking.
How are your symptoms today?
Woke up with mild headache. Took Sumatriptan early. Sleep was 5h 42m which may be a trigger.
Overall pain level (1-10)
Journal Entry
Had a rough morning. My Migraine started around 6am. Severity was high. Took Sumatriptan 50mg right away. My Sleep 4h 20m was poor and HR 96bpm was elevated.
Connect Everything with @Mentions
Type @ anywhere in a journal entry to instantly link to your health data. Mentioned items appear as color-coded pill chips, creating rich connections between your diary and your health records.
Symptoms & Conditions
Link to any logged symptom - migraines, pain, fatigue, nausea - with severity shown inline.
Medications & Doses
Reference specific medications and doses you've taken, creating a narrative around your treatment.
Vitals & Biometrics
Pull in heart rate, blood pressure, glucose, SpO2, and temperature readings directly.
Sleep & Activity
Link to last night's sleep data or today's workouts for full context in your entries.
Customizable Prompt Packs
Never stare at a blank page again. Choose from 4 pre-built prompt packs with structured questions using free text, 1-10 scales, multiple choice, and yes/no response types - or create your own.
Chronic Illness Daily
How are your symptoms today?
Free textOverall pain level
1-10 scaleDid you take all medications?
Yes/NoEnergy level compared to yesterday
Multiple choiceMindfulness & Gratitude
3 things you're grateful for
Free textCurrent mood
1-10 scaleDid you practice mindfulness?
Yes/NoWhat brought you joy today?
Free textSymptom Deep Dive
Describe the symptom in detail
Free textSeverity right now
1-10 scaleWhat were you doing when it started?
Free textHas this pattern happened before?
Yes/NoGeneral Wellness
How did you sleep last night?
Multiple choiceStress level
1-10 scaleDid you exercise today?
Yes/NoWater intake goal met?
Yes/NoInstant Flare-Up Awareness
When you log a symptom with severity of 7 or higher, a prominent flare-up awareness banner immediately appears with quick actions to help you respond fast - because during a flare-up, every second counts.
Quick Actions
Update Severity
Quickly adjust severity as your flare-up progresses or improves without opening the full log.
Take Medication
One-tap to log a rescue medication dose - especially useful for migraines and panic attacks.
Start Episode Timer
Begin tracking the duration of your episode with a Live Activity on your lock screen and Dynamic Island.
Flare-Up Detected
Migraine severity: 8/10
Migraine
Severity: 8/10 • Just now
Sumatriptan 50mg
Rescue dose logged
Episode timer started
00:03:42
Health Score
Good - Improving
Understand Your Health with Insights
The Insights tab transforms your health data into actionable intelligence. See your overall Health Score, track symptom trends over time, discover cross-data correlations, and measure how effective your treatments really are.
Health Score (0-100)
A composite score based on symptom frequency, medication adherence, sleep quality, activity levels, and overall trend direction.
Symptom Trends
Visual charts showing symptom frequency and severity changes over days, weeks, and months with percentage comparisons.
Trigger Analysis
Statistical correlations between your triggers and symptoms with confidence levels and relative risk calculations.
Cross-Data Correlations
Discover connections like "poor sleep increases symptoms 2.5x" or "exercise days reduce flare-ups by 40%."
Medication Effectiveness
Track which medications work best for you with effectiveness percentages, time-to-relief, and side effect correlation.
Powerful Features for Chronic Conditions
Every feature is designed with chronic condition sufferers in mind - from pain-state optimized logging to on-device pattern analysis.
Trigger Correlation Analysis
On-device statistical analysis identifies your personal triggers with confidence scores and relative risk calculations.
Environmental Tracking
Automatic barometric pressure and weather capture via Apple WeatherKit. Get alerts when conditions may trigger symptoms.
Episode Timer + Live Activity
Track episode duration with a persistent banner, Dynamic Island support, and lock screen display.
Appointment Management
Full before/during/after workflow with pre-visit notes, in-appointment documentation, and follow-up tracking.
Doctor Visit Prep
Auto-generated visit summaries with symptom frequency charts, medication changes, and suggested discussion topics.
Smart Folders
Organize entries by condition, doctor, severity, date, or custom criteria. Smart folders adapt to your patterns automatically.
Body Map
Interactive body outline for precise pain location tracking with sub-region detail and severity mapping.
Low-Stimulus Mode
Dark, minimal interface with large touch targets for logging during high-severity episodes when every tap counts.
Interactive Health Reports
Build drag-and-drop health reports with real data snapshots. Choose from specialty templates and export polished PDFs for your doctor.
@Mention Health Linking
Type @ in any journal entry to instantly link to symptoms, medications, vitals, sleep data, and workouts. Linked items appear as color-coded pill chips.
Customizable Prompt Packs
Choose from 4 guided journaling packs with structured prompts - free text, 1-10 scales, multiple choice, and yes/no questions - or build your own.
Discover Your Personal Triggers
Leo's on-device correlation engine analyzes patterns across your symptom logs, sleep data, weather conditions, medications, and activities to identify what triggers your symptoms - and what protects you.
Relative Risk Calculation
See exactly how much more likely symptoms are when specific factors are present (e.g., '2.5x more likely after poor sleep')
Confidence Levels
Low, Medium, and High confidence based on data points. More logging = more accurate insights.
Protector Factors
Track factors that coincide with better days — sleep, exercise, or medication changes — to discuss with your doctor.
Environmental Sensitivity
Log environmental conditions alongside symptoms to spot potential weather-related patterns.
Your Triggers
Your Protectors
Log Anywhere, Even During Episodes
When you're in the middle of a migraine or flare-up, every tap matters. Log from your iPhone, Apple Watch, NFC stickers, or via Siri.
Quick Log View
1-tap logging with recent symptoms, large buttons, and auto-environmental capture
- Low-stimulus mode
- Body map
- Voice dictation
Apple Watch
Log symptoms with severity, start timers, and dictate notes from your wrist
- Digital crown severity
- Timer controls
- Condition profiles
Live Activity
Track episode duration on Dynamic Island and lock screen without unlocking
- Real-time timer
- Tap to stop
- Severity updates
Siri Shortcuts
Voice commands via Siri to log symptoms hands-free
- "Log a migraine"
- "Track my symptoms"
- "Check my medications"
Health Report
January 1 - January 31, 2026
Symptom Episodes
12
Avg Severity
6.4
Included Sections
Interactive Health Reports
Build interactive health reports with a drag-and-drop builder. Choose from specialty templates, freeze data snapshots, and export polished PDFs.
Private by Design
Your medical journal is completely private. Share only what you choose, when you choose, via export. No live provider access, no third-party data sharing.
HIPAA Coming Soon
All data encrypted at rest and in transit. SOC 2 certified infrastructure.
Export-Only Sharing
No live access for providers. You control every share via PDF export.
On-Device Analysis
Trigger correlation runs entirely on your device. Your patterns never leave your phone.
Take Control of Your Chronic Conditions
Join thousands using Leo to understand their triggers, prepare for doctor visits, and take back control of their health journey.