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Health Trackers

17 modules on the Health tab
Module 01

Blood 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.

Module 02

Blood Oxygen (SpO2)

Spot or overnight O2 saturation logging. ≥95% Normal, 91–94% Low, ≤90% flagged as a critical/emergency reading.

Module 03

Weight & Body

Weight trend tracking with automatic BMI calculation (standard imperial formula) and Underweight/Normal/Overweight/Obese bands.

Module 04

Blood Glucose

Fasting, post-meal, random, and bedtime readings with type-specific thresholds and low/high alert dialogs.

Module 05

Sleep Tracker

Manual bed/wake time and quality score (1–5) logging with weekly trends.

Module 06

Symptom Journal

Body-map symptom log with severity rating (1–5, Mild to Worst Imaginable) across 11 body areas.

Module 07

Lab Results

Manual entry and trending for 31 preset lab test names, with automatic Normal/Low/High flags against the reference range you enter.

Module 08

Allergy Tracker

Allergen, reaction, and severity log across 4 severity tiers including Life-Threatening, with a persistent “show to providers” banner.

Module 09

Water Intake

Quick-add hydration log with preset amounts (Glass 240ml, Bottle 500ml, Large 750ml, 1L).

Module 10

Activity & Steps

Manual activity and exercise log with a calorie estimate via the MET formula.

Module 11

Mood Tracker

Daily 1–5 mood check-in that feeds directly into Health Correlations.

Module 12

Health Correlations

Rule-based cross-metric insights — e.g., flags a “BP & Mood Link” when blood pressure and mood cross set thresholds together.

Module 13

Health Trend Charts

Custom line charts for blood pressure, weight, and glucose over a rolling 30-reading window with reference bands.

Module 14

Medical Timeline

A unified chronological history merging blood pressure, glucose, weight, SpO2, symptoms, appointments, and lab results into one timeline.

Module 15

Temperature

Fever tracking across 6 measurement methods (oral, axillary, rectal, tympanic, temporal) with Hypothermia-to-High-Fever bands.

Module 16

Heart Rate

Resting and exercise heart rate log with Bradycardia/Normal/Tachycardia bands and context chips.

Module 17

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.

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Universal Care Tools

9 tools on the Care tab, always available
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Medication Manager

Full 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 entry
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Drug Interaction Checker

Cross-checks your medication list and deep-links to trusted external interaction references (Drugs.com, NLM, Medscape) for a full review.

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Appointment Manager

Schedule and manage every medical appointment with reminders. Export a single visit or your whole schedule as a standard .ics calendar file.

.ics calendar export
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Pre-Visit Notes

Builds 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.

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Vaccination Record

Vaccine history with lot numbers and due dates, with overdue vaccines highlighted automatically.

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Hospital Prep Checklist

18 default pre-procedure checklist items, fully resettable, with support for adding your own custom items.

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Caregiver Hub

Add caregivers with relationship type (8 options) and one of 3 access levels — Read-Only, Full Access, or Emergency Contact Only.

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Care Team Directory

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-map
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Guided Breathing Exercises

Four 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 offline
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Condition-Specific Care

Adapts to the conditions you select — 46 conditions across 13 categories

During 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

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Treatment Cycle Tracker

Log chemo, immunotherapy, and radiation cycles with a daily symptom check-in using the standardized CTCAE 0–4 severity grading scale across 12 symptoms.

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Infusion Log

Quick-select from 13 common chemotherapy drugs, with duration and a feeling index before and after each session.

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Radiation Tracker

Track sessions across 10 treatment sites with a running fraction counter.

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Cancer Lab Panel

CBC, tumor markers, liver, and kidney panels with built-in clinical danger thresholds.

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Cancer Emergency Guide

Clear guidance distinguishing “call 911,” “call your care team,” and fever-threshold scenarios.

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Cancer Coaching & Survivorship Plan

Static, evidence-based education plus post-treatment survivorship milestone and follow-up tracking.

Pregnancy

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Pregnancy Dashboard

Current week and trimester with 40 milestone messages across pregnancy, plus preeclampsia warning-sign guidance.

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Daily Pregnancy Log

Daily symptom log that automatically flags a preeclampsia warning when blood pressure reaches ≥140/90.

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Kick Counter

One-tap fetal movement counting with a 10-kick target and a 2-hour monitoring window.

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Contraction Timer

Real-time contraction timing built around the standard 5-1-1 rule.

Mental Health

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PHQ-9 & GAD-7 Screening

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 scoring

Neurological, Respiratory & Cardiac

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Migraine Diary

Frequency, severity, triggers, and aura log informed by the MIDAS disability framework.

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Seizure Log

Type, duration, and trigger tracking across the 9 ILAE-style seizure classifications.

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Peak Flow Diary

Green/Yellow/Red zone tracking against your personal best, for asthma and COPD management.

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Heart Failure Daily Check-In

Guideline-based daily weight, edema, and dyspnea monitoring.

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INR Tracker

Anticoagulation monitoring against a default 2.0–3.0 therapeutic range.

Autoimmune & Digestive

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Flare Tracker

1–10 severity logging for autoimmune and chronic inflammatory conditions.

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Bowel & GI Log

Frequency and quality logging using the Bristol Stool Scale (1–7) for IBS, Crohn’s, and colitis management.

Acute Illness Tracker

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Illness Dashboard

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.

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OTC Dosing Safety Engine

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-dose
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Printable Illness Report

Generates 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.

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Advocacy Tools

19 modules on the Advocacy tab

Background 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.

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Insurer Playbook

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 insurers
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Price Comparison

35 CPT-coded procedures with Medicare price bands, a live CMS NPI Registry facility search, and links to 6 external pricing tools.

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Prior Authorization Tracker

Track PA requests with automatic deadline-soon flags inside a 7-day window.

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Patient Rights Guide

Plain-English reference covering 9 cited federal and state rights, including 501(r), the No Surprises Act, and ACA §2719.

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Prescription Savings Finder

GoodRx deep-link plus 7 additional savings and patient-assistance program links.

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HSA / FSA Vault

Real running-total tracker for receipts, contributions, and eligible expenses — not just a reference guide.

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Appeal Letter Builder

7 letter types, including a Medicare rate-negotiation phone script. Copy to clipboard and send however you choose.

Fight claim denials
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Financial Assistance Directory

12 named national assistance and grant organizations with direct links.

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Clinical Trial Finder

Deep-links directly to ClinicalTrials.gov pre-filled with your condition, ZIP code, and phase.

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EOB Comparison

Explains how to read your Explanation of Benefits and hands off directly to the Itemized Bill Auditor.

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HIPAA Records Request Letter

Generates a formal letter citing 45 CFR §164.524, ready to send by email.

HIPAA 45 CFR §164.524
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ADA Accommodation Letter

Generates a workplace or school accommodation request citing the ADA (42 U.S.C. §12101) and Section 504.

ADA 42 U.S.C. §12101
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Denial Decoder

Matches your denial reason against 9 common categories, each with a specific counter-strategy.

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Peer-to-Peer Prep Sheet

Organize talking points and key facts before your doctor’s peer-to-peer review call with your insurer.

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Balance Bill Checker

Auto-flags No Surprises Act protection and Good Faith Estimate eligibility (bills over $400 above estimate, within the 120-day window).

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Itemized Bill Auditor

Automated line-item audit that flags duplicate charges and EOB overcharges.

Catch billing errors
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Retroactive Denial Tracker

Automatically computes the months between a claim’s payment and its clawback, and cites the ACA’s rescission ban.

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Continuity of Care Guide

Guidance across 3 network-gap scenarios, linking directly into the Appeal Letter Builder.

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Medical Bill Scanner

Camera and file-upload capture for medical bills.

Coming soon — not yet functional
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Profile & Identity

15 items across the Profile tab, plus up to 10 family profiles

Identity & Safety

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Emergency Medical ID

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 accessible
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Caregiver View

A 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.

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Health Passport

A complete, portable medical summary — vaccines, surgeries, implants, and directives — formatted for any new provider.

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Insurance Card Vault

Store multiple insurance cards as encrypted images with tap-to-call for the insurer.

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Switch Profile / Family Profiles

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.

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Survivorship Plan

Post-treatment milestone and long-term follow-up tracking, also reachable from Care.

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Doctor Report

Configurable 3-day to 6-month report that aggregates 9 data types into one printable summary via the Android print framework.

Settings

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Settings

Units, and Google Drive backup with passphrase-based encryption. Export or import your data to any app you choose.

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Security

Biometric lock with 6 auto-lock timer options, screenshot blocking, a separate caregiver PIN, and a full erase-all-data option.

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Notifications

Configure check-in reminder scheduling.

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Reminder Center

Global snooze and quiet-mode with 7 duration presets, plus medication and appointment reminder management in one place.

Support & Legal

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Help & FAQ

6 accordion sections covering common questions.

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Report an Issue

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.

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Privacy & Terms

Three-tab legal document viewer — Privacy Policy, Terms & Conditions, and Health Data Notice — naming every third-party integration in the App. Read them here →

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Export & Reporting

Professional-grade output, on-device
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Export Center

CSV and PDF export of your health data, plus a plain-text summary — all generated on-device.

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Doctor Report

Aggregates vitals, medications, appointments, labs, and more into one printable report via the Android print framework.

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Illness Report

Fever trend chart and symptom report for an acute illness episode, print-ready.

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.ics Calendar Export

Export a single appointment or your entire schedule as a standard calendar file any calendar app can import.

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On-Device Generation

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 transmitted

Not in the app: Google Docs export. Export Center supports CSV, PDF and plain-text output.

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Security & Backup

Your health data. Your device. Your control.
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AES-256 encrypted local storage

All health records, vitals, documents, and images are stored in Android’s protected internal storage (MODE_PRIVATE), inaccessible to other apps without root access.

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Biometric protection

Fingerprint or face unlock required to open the App, with 6 configurable auto-lock timeout options.

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Screenshot blocking

Android’s FLAG_SECURE is enabled by default to block screenshots and screen-recording capture of health data.

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Zero external servers

Praepara Health has no backend infrastructure for health data. We cannot see, access, or store your data — because it never reaches us.

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Optional Google Drive backup

Passphrase-encrypted backup to your personal Google Drive account (appDataFolder scope — invisible in your file browser, inaccessible to others).

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Caregiver PIN

A separate PIN gates the read-only Caregiver View, independent from your main biometric lock.

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No account required

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.

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Fully offline

Every core feature works without an internet connection. Only optional backup and a handful of external lookups (barcode scan, price comparison) require a connection.

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.

Back to Praepara Health Overview