Everything Praepara Health Does
From tracking your vitals to building a medical appeal letter — every tool, every module, explained.
Health Trackers
17 modules on the Health tabBlood Pressure
Logs and trends readings with AHA/ACC-style staging (Normal, Elevated, Stage 1, Stage 2, Hypertensive Crisis) and arm/body-position fields. Readings ≥180/120 trigger a “call 911” alert.
Blood Oxygen (SpO2)
Spot or overnight O2 saturation logging. ≥95% Normal, 91–94% Low, ≤90% flagged as a critical/emergency reading.
Weight & Body
Weight trend tracking with automatic BMI calculation (standard imperial formula) and Underweight/Normal/Overweight/Obese bands.
Blood Glucose
Fasting, post-meal, random, and bedtime readings with type-specific thresholds and low/high alert dialogs.
Sleep Tracker
Manual bed/wake time and quality score (1–5) logging with weekly trends.
Symptom Journal
Body-map symptom log with severity rating (1–5, Mild to Worst Imaginable) across 11 body areas.
Lab Results
Manual entry and trending for 31 preset lab test names, with automatic Normal/Low/High flags against the reference range you enter.
Allergy Tracker
Allergen, reaction, and severity log across 4 severity tiers including Life-Threatening, with a persistent “show to providers” banner.
Water Intake
Quick-add hydration log with preset amounts (Glass 240ml, Bottle 500ml, Large 750ml, 1L).
Activity & Steps
Manual activity and exercise log with a calorie estimate via the MET formula.
Mood Tracker
Daily 1–5 mood check-in that feeds directly into Health Correlations.
Health Correlations
Rule-based cross-metric insights — e.g., flags a “BP & Mood Link” when blood pressure and mood cross set thresholds together.
Health Trend Charts
Custom line charts for blood pressure, weight, and glucose over a rolling 30-reading window with reference bands.
Medical Timeline
A unified chronological history merging blood pressure, glucose, weight, SpO2, symptoms, appointments, and lab results into one timeline.
Temperature
Fever tracking across 6 measurement methods (oral, axillary, rectal, tympanic, temporal) with Hypothermia-to-High-Fever bands.
Heart Rate
Resting and exercise heart rate log with Bradycardia/Normal/Tachycardia bands and context chips.
Diabetes Log
Dual-tab carbohydrate and insulin (basal/bolus/correction) log with an estimated A1C calculated from your last 90 days of glucose readings using the ADA/ADAG conversion formula.
Universal Care Tools
9 tools on the Care tab, always availableFull medication list with dose, 11 frequency options, 8 time-of-day slots, prescribing doctor, and active/inactive toggle. Barcode-scan entry auto-fills name and dosage.
Barcode scan entryCross-checks your medication list and deep-links to trusted external interaction references (Drugs.com, NLM, Medscape) for a full review.
Schedule and manage every medical appointment with reminders. Export a single visit or your whole schedule as a standard .ics calendar file.
.ics calendar exportBuilds a structured visit-prep note — chief complaint, changes since your last visit, current symptoms, medication questions, and an unlimited numbered list of questions for your doctor. Share it by email or text before your appointment.
Vaccine history with lot numbers and due dates, with overdue vaccines highlighted automatically.
18 default pre-procedure checklist items, fully resettable, with support for adding your own custom items.
Add caregivers with relationship type (8 options) and one of 3 access levels — Read-Only, Full Access, or Emergency Contact Only.
Build your complete healthcare provider directory across 17 specialty roles. Tap to call directly, or tap the address for turn-by-turn navigation.
17 provider roles · Tap-to-call · Tap-to-mapFour clinically-recognized breathing patterns with a real-time animated guide: Box Breathing (4-4-4-4), 4-7-8 Breathing, Belly Breathing (4-0-6-0), and Resonant Breathing (5-0-5-0). No account, no internet — entirely on-device.
4 patterns · Fully offlineCondition-Specific Care
Adapts to the conditions you select — 46 conditions across 13 categoriesDuring Condition Setup you select from 46 conditions across 13 categories (Cardiovascular, Metabolic & Hormonal, Respiratory, Neurological, Autoimmune & Inflammatory, Mental Health, Kidney & Urological, Pain & Musculoskeletal, Cancer, Digestive, Blood & Clotting, Maternal Health, and more). Praepara Health then surfaces only the specialty modules relevant to you.
Cancer Care Hub
Log chemo, immunotherapy, and radiation cycles with a daily symptom check-in using the standardized CTCAE 0–4 severity grading scale across 12 symptoms.
Quick-select from 13 common chemotherapy drugs, with duration and a feeling index before and after each session.
Track sessions across 10 treatment sites with a running fraction counter.
CBC, tumor markers, liver, and kidney panels with built-in clinical danger thresholds.
Clear guidance distinguishing “call 911,” “call your care team,” and fever-threshold scenarios.
Static, evidence-based education plus post-treatment survivorship milestone and follow-up tracking.
Pregnancy
Current week and trimester with 40 milestone messages across pregnancy, plus preeclampsia warning-sign guidance.
Daily symptom log that automatically flags a preeclampsia warning when blood pressure reaches ≥140/90.
One-tap fetal movement counting with a 10-kick target and a 2-hour monitoring window.
Real-time contraction timing built around the standard 5-1-1 rule.
Mental Health
The exact validated 9-question depression and 7-question anxiety screening instruments, with standard clinical severity cutoffs computed automatically and a 988 crisis-line safety banner on the self-harm question.
Genuine automated clinical scoringNeurological, Respiratory & Cardiac
Frequency, severity, triggers, and aura log informed by the MIDAS disability framework.
Type, duration, and trigger tracking across the 9 ILAE-style seizure classifications.
Green/Yellow/Red zone tracking against your personal best, for asthma and COPD management.
Guideline-based daily weight, edema, and dyspnea monitoring.
Anticoagulation monitoring against a default 2.0–3.0 therapeutic range.
Autoimmune & Digestive
1–10 severity logging for autoimmune and chronic inflammatory conditions.
Frequency and quality logging using the Bristol Stool Scale (1–7) for IBS, Crohn’s, and colitis management.
Acute Illness Tracker
Choose from 7 illness types (Cold, Flu, COVID-19, Norovirus, Strep Throat, RSV, Other) and track the current episode separately from your chronic condition logs.
Tracks OTC medication doses against built-in safety ceilings (e.g., acetaminophen 4000mg/24h, ibuprofen 3200mg/24h) so you never accidentally double-dose.
Never double-doseGenerates a fever trend chart and full symptom report via the Android print framework.
In the app now: readings copied from a watch, cuff, scale, meter or thermometer through Android Health Connect, including one daily step total per day, with your consent for each kind of reading. Not in the app: pairing with a device over Bluetooth directly, a live pedometer or GPS route tracking, and AI document or OCR scanning.
Advocacy Tools
19 modules on the Advocacy tabBackground reading: our free, sourced guide to medical bills and patient advocacy covers appeal success rates and external review, the No Surprises Act, and hospital charity care.
Insurer-specific appeal strategy covering 9 named major insurers (UnitedHealthcare, Anthem/Elevance, Aetna/CVS, Cigna, Humana, Kaiser, Centene, Molina, BCBS/HCSC) plus “Other” — each with real appeal-form names, addresses, deadlines, and documented loopholes.
9 named insurers35 CPT-coded procedures with Medicare price bands, a live CMS NPI Registry facility search, and links to 6 external pricing tools.
Track PA requests with automatic deadline-soon flags inside a 7-day window.
Plain-English reference covering 9 cited federal and state rights, including 501(r), the No Surprises Act, and ACA §2719.
GoodRx deep-link plus 7 additional savings and patient-assistance program links.
Real running-total tracker for receipts, contributions, and eligible expenses — not just a reference guide.
7 letter types, including a Medicare rate-negotiation phone script. Copy to clipboard and send however you choose.
Fight claim denials12 named national assistance and grant organizations with direct links.
Deep-links directly to ClinicalTrials.gov pre-filled with your condition, ZIP code, and phase.
Explains how to read your Explanation of Benefits and hands off directly to the Itemized Bill Auditor.
Generates a formal letter citing 45 CFR §164.524, ready to send by email.
HIPAA 45 CFR §164.524Generates a workplace or school accommodation request citing the ADA (42 U.S.C. §12101) and Section 504.
ADA 42 U.S.C. §12101Matches your denial reason against 9 common categories, each with a specific counter-strategy.
Organize talking points and key facts before your doctor’s peer-to-peer review call with your insurer.
Auto-flags No Surprises Act protection and Good Faith Estimate eligibility (bills over $400 above estimate, within the 120-day window).
Automated line-item audit that flags duplicate charges and EOB overcharges.
Catch billing errorsAutomatically computes the months between a claim’s payment and its clawback, and cites the ACA’s rescission ban.
Guidance across 3 network-gap scenarios, linking directly into the Appeal Letter Builder.
Camera and file-upload capture for medical bills.
Coming soon — not yet functionalProfile & Identity
15 items across the Profile tab, plus up to 10 family profilesIdentity & Safety
Blood type, allergies, medications, emergency contacts, and DNR/advance directive status. Shown via a persistent lock-screen notification, accessible to first responders without unlocking the phone.
Lock-screen accessibleA separate, PIN-protected (SHA-256 hashed) read-only screen showing the latest vitals and upcoming appointments — designed for handing your phone to a family member.
A complete, portable medical summary — vaccines, surgeries, implants, and directives — formatted for any new provider.
Store multiple insurance cards as encrypted images with tap-to-call for the insurer.
Manage up to 10 family profiles, each with its own photo or one of 8 preset avatar colors and a fully independent set of health records.
Post-treatment milestone and long-term follow-up tracking, also reachable from Care.
Configurable 3-day to 6-month report that aggregates 9 data types into one printable summary via the Android print framework.
Settings
Units, and Google Drive backup with passphrase-based encryption. Export or import your data to any app you choose.
Biometric lock with 6 auto-lock timer options, screenshot blocking, a separate caregiver PIN, and a full erase-all-data option.
Configure check-in reminder scheduling.
Global snooze and quiet-mode with 7 duration presets, plus medication and appointment reminder management in one place.
Support & Legal
6 accordion sections covering common questions.
Built-in bug reporting that opens a support email pre-filled with device diagnostic info and an optional crash log — no plain-text email address exposed in the UI.
Three-tab legal document viewer — Privacy Policy, Terms & Conditions, and Health Data Notice — naming every third-party integration in the App. Read them here →
Export & Reporting
Professional-grade output, on-deviceCSV and PDF export of your health data, plus a plain-text summary — all generated on-device.
Aggregates vitals, medications, appointments, labs, and more into one printable report via the Android print framework.
Fever trend chart and symptom report for an acute illness episode, print-ready.
Export a single appointment or your entire schedule as a standard calendar file any calendar app can import.
Every export and report is generated entirely on your device via the Android print and file frameworks. No data is sent to any server during export.
Zero data transmittedNot in the app: Google Docs export. Export Center supports CSV, PDF and plain-text output.
Security & Backup
Your health data. Your device. Your control.All health records, vitals, documents, and images are stored in Android’s protected internal storage (MODE_PRIVATE), inaccessible to other apps without root access.
Fingerprint or face unlock required to open the App, with 6 configurable auto-lock timeout options.
Android’s FLAG_SECURE is enabled by default to block screenshots and screen-recording capture of health data.
Praepara Health has no backend infrastructure for health data. We cannot see, access, or store your data — because it never reaches us.
Passphrase-encrypted backup to your personal Google Drive account (appDataFolder scope — invisible in your file browser, inaccessible to others).
A separate PIN gates the read-only Caregiver View, independent from your main biometric lock.
No sign-up, no email, no profile, no tracking ID. Use the App entirely anonymously. The optional supporter subscription, if you choose it, is bought through your own Google Play account, not through us.
Every core feature works without an internet connection. Only optional backup and a handful of external lookups (barcode scan, price comparison) require a connection.
Legal & Compliance
Built to the standardThree full legal documents, version-controlled and effective June 18, 2026. Accessible in the App at any time. Read them here →
Users must affirmatively consent to health data collection — separate from general Terms acceptance — before using the App, in compliance with Washington’s My Health My Data Act.
Every report and PDF export is a personal tracking aid only — not medical advice, not a diagnosis, and not a substitute for a licensed healthcare provider.
Explicit rights disclosures for California (CCPA/CPRA), EEA/UK (GDPR), and Washington State (MHMDA) residents, including a dedicated Consumer Health Data Notice tab.
Confirmed across every legal document — no ad SDKs, no analytics platforms that receive health data, and no third-party data sharing beyond what you explicitly export.
The only app that covers your entire healthcare journey.
From tracking your daily vitals to fighting back against an unjust medical bill. Praepara Health is your health record, your patient rights guide, and your medical advocate — all in one. Entirely on your device, and completely free.
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