Best Illness Apps

208+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

The best illness apps on iPhone average 4.6★ across 208+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Illness

Herra: Chronic Illness Tracker#1

Herra: Chronic Illness Tracker by Tiffany Lee

Patient Advocacy & Tracking
Editor's Choice
💪 Health & Fitness
5.0(11 ratings)
FreeIn-App Purchases
Herra: Chronic Illness Tracker screenshot 1
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Herra: Chronic Illness Tracker screenshot 5
Herra: Chronic Illness Tracker screenshot 6

This AI-powered app helps women with chronic and hormonal health conditions track symptoms, medications, and lifestyle factors. It generates clear, doctor-ready insights to identify patterns and prepare for appointments with confidence.

Visible: Pacing for illness#2

Visible: Pacing for illness by Visible Health Inc.

For Long Covid, ME/CFS, POTS+
Strong Contender
💪 Health & Fitness
4.8😊(3.3K ratings)
FreeAds
Visible: Pacing for illness screenshot 1
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Manage energy-limiting health conditions like Long Covid and ME/CFS through personalized pacing insights. Track biometrics, log symptoms, and understand patterns to reduce crashes and improve daily well-being. Share health reports with your doctor and contribute to research.

What We Love

  • 🚀 Helpful for pacing and managing energy levels
  • 👍 Easy to use and customizable
  • 🚀 Provides valuable data and insights
  • 👍 Responsive and supportive development team

Room to Improve

  • 🐛 Occasional technical issues and glitches
  • 💡 Lack of integration with wearable devices
  • 🔋 Concerns about privacy and data usage
Bearable - Symptom Tracker#3

Bearable - Symptom Tracker by Bearable Ltd

Mood, Health, Migraine, Period
Worth Considering
💪 Health & Fitness
4.8😊(5.8K ratings)
FreeAdsIn-App Purchases
Bearable - Symptom Tracker screenshot 1
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This app helps you understand and manage your health by tracking symptoms, triggers, and treatments. It allows you to identify patterns and correlations to gain better control over chronic illnesses, pain, mood, and more. Securely store and analyze your health data to share with your doctor.

What We Love

  • 👍 Highly customizable
  • 🚀 Comprehensive health tracking
  • 💡 Helpful for chronic illness management
  • 👍 User-friendly interface

Room to Improve

  • 🔒 Privacy concerns around data sharing
  • 🐛 Occasional crashes and bugs
  • 🔒 Requires account creation

More Illness apps to explore

4
Juno: Chronic Illness Support
Juno: Chronic Illness Support
Juno: Chronic Illness Support
Track Symptoms & Health
Free

This app provides a non-judgmental companion for individuals living with chronic illnesses. It offers a safe space to discuss symptoms, track health data, and gain insights without unsolicited advice. Designed by those who understand, it offers personalized support for daily challenges.

AI-powered chronic illness companionSymptom and energy level loggingPattern and trigger identification
💪 Health & Fitness
(8.4K)
free with in-app purchases
5
Ada - your health portal
Ada - your health portal
Ada - your health portal
Access health assessment
Free

Access a 24/7 symptom checker to understand potential health concerns. Answer simple questions and receive a personalized assessment report with possible causes and next steps. This app connects to a CE-marked medical device for smart health insights.

24/7 symptom checkerAI-powered assessmentPersonalized health reports
🏥 Medical
(11K)
free with in-app purchases
6
Clove: Chronic Illness Tracker
Clove: Chronic Illness Tracker
Clove: Chronic Illness Tracker
Track Mood, Symptoms, and More
Free

A private and customizable app for tracking chronic illness, pain, symptoms, and mood. It helps users identify patterns and gain a sense of control over their health with a clean, distraction-free design. All data is stored locally on the device for maximum privacy.

Track pain, mood, symptoms, meals, activitiesCustomize symptoms to monitorVisual calendar and trend insights
💪 Health & Fitness
(17)
free
7
Human Health: Chronic Illness
Human Health: Chronic Illness
Human Health: Chronic Illness
Track Symptoms & Medication
Free

This app helps you understand your health by tracking symptoms, treatments, and patterns over time. Gain confidence and clarity to manage your well-being and communicate effectively with healthcare providers.

Track symptoms and treatmentsLog over 2,000 symptomsMonitor treatments and outcomes
💪 Health & Fitness
(348)
free with in-app purchases
8
Guava: Health Tracker
Guava: Health Tracker
Guava: Health Tracker
Manage meds, symptoms, records
Free

Manage your health and chronic conditions with a comprehensive tracking app. Log symptoms, medications, and medical records, and gain insights into your wellness. Sync devices and prepare for doctor visits with organized health data.

Symptom and mental health trackingMedication reminders and trackingMedical record organization
💪 Health & Fitness
(753)
free
9
WebMD: Symptom Checker
WebMD: Symptom Checker
WebMD: Symptom Checker
Med Reminders, Doctor Finder
Free

This app helps you check symptoms, get medication reminders, and find doctors. It also offers prescription savings and information on conditions and drugs.

Symptom CheckerMedication RemindersPrescription Savings
🏥 Medical
(135K)
free with in-app purchases
10
Pal: Serious Illness Support
Pal: Serious Illness Support
Pal: Serious Illness Support
Companion for you & caregivers
Free
💪 Health & Fitness
(0)
11
Welltory: Health, Heart Rate
Welltory: Health, Heart Rate
Welltory: Health, Heart Rate
Stress, Sleep, BP, O2 Monitor
Free

This app helps you understand your body's signals by analyzing heart rate variability and integrating data from over 1,000 devices and apps. It provides science-backed insights into sleep, stress, heart health, and activity to help you feel better and optimize your wellness.

Heart rate variability analysisSleep quality insightsStress monitoring
💪 Health & Fitness
(130K)
freemium
12
Tended: Symptom Tracker
Tended: Symptom Tracker
Tended: Symptom Tracker
Track symptoms. Spot patterns.
Free

This health journal helps you track chronic illness symptoms, pain, and daily well-being. Log entries quickly, even on difficult days, and identify potential patterns to better prepare for doctor appointments. It's designed for fluctuating conditions and prioritizes your privacy.

Log symptoms, pain, energy, mood, and moreIdentify patterns and potential triggersPrepare for doctor appointments with reports
💪 Health & Fitness
(4)
free with in-app purchases
13
Balance: Chronic Illness Care
Balance: Chronic Illness Care
Balance: Chronic Illness Care
Gentle movement, real relief
Free

This app offers gentle, healing-focused workouts and wellness habits for individuals managing chronic conditions. It provides low-impact exercises, nutrition tools, and community support to help restore energy and regulate the nervous system without burnout.

Gentle, anti-inflammatory workoutsFoundational habit trackerSymptom-sensitive movement library
💪 Health & Fitness
(27)
free with in-app purchases
14
Symptom Tracker゜
Symptom Tracker゜
Symptom Tracker゜
My Health Checker Journal
Free

Easily monitor and visualize your health symptoms and treatments. Generate shareable reports for your doctor and gain insights into your well-being over time. Personalize your tracking experience with custom entries and reminders.

Track symptomsTrack treatmentsAdd notes
💪 Health & Fitness
(910)
freemium
15
Chronic Illness Tracker
Chronic Illness Tracker
Chronic Illness Tracker
Symptom Log & Flare Diary
Free

This app helps individuals manage chronic illnesses by tracking symptoms, flare-ups, energy levels, and medications. It provides insights into patterns, facilitates sharing reports with healthcare providers, and offers educational resources for better daily living.

Multi-condition symptom trackingFlare-up documentation and analysisEnergy and spoon management
💪 Health & Fitness
(3)
free with in-app purchases
16
TinyTrack-Baby Illness Tracker
TinyTrack-Baby Illness Tracker
TinyTrack-Baby Illness Tracker
Fever & Sickness Log
Free
🏥 Medical
(0)
17
Curable: Chronic Pain Relief
Curable: Chronic Pain Relief
Curable: Chronic Pain Relief
For Back Pain, Migraine + More
Free

This app helps individuals find lasting relief from chronic pain, including back pain and migraines. It utilizes neuroscience-based tools and exercises to retrain the brain's role in pain perception, offering a path to healing without medication or invasive procedures.

Clinically proven symptom reductionNeuroscience-based pain relief program100+ science-backed exercises
🏥 Medical
(1.4K)
free with in-app purchases
18
Symptom Tracker: Health Diary
Symptom Tracker: Health Diary
Symptom Tracker: Health Diary
Chronic Pain & Fatigue Log
Free
🏥 Medical
(0)
19
Ebb: Symptom Tracker
Ebb: Symptom Tracker
Ebb: Symptom Tracker
Daily chronic illness log
Free
💪 Health & Fitness
(0)
20
Tracker, Reminder - CareClinic
Tracker, Reminder - CareClinic
Tracker, Reminder - CareClinic
Track,Symptom,Medication,Mood
Free

Manage your health by tracking symptoms, medications, and habits. Gain personalized insights and take daily actions to improve your well-being. Ideal for individuals managing chronic conditions or seeking better health management.

Symptom tracking with visual body mappingMedication reminders and trackingHabit and activity logging
💪 Health & Fitness
(2.2K)
free with in-app purchases

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