Best Chronic Fatigue Diary 3 Apps

245+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated August 2026

Out of 245+ chronic fatigue diary 3 apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Chronic Fatigue Diary 3 Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Chronic Fatigue Diary 3Chronic Fatigue Diary 3$4.99NoNoJul 2026
2PEM Diary - ME/CFS Crash LogPEM Diary - ME/CFS Crash LogFreeNoNoMay 2026
3Rox: Chronic Illness CareRox: Chronic Illness CareFree4.6★ (10)NoYesAug 2026
4Chronic Illness TrackerChronic Illness TrackerFree3.7★ (3)YesYesAug 2026
5Visible: Pacing for illnessVisible: Pacing for illnessFree4.8★ (3.4K)NoNoAug 2026
6Flare - Chronic Pain TrackerFlare - Chronic Pain TrackerFree4.9★ (14)NoYesAug 2026
7SymptomLog: Illness DiarySymptomLog: Illness DiaryFreeNoYesJun 2026
8Chronic InsightsChronic InsightsFree4.5★ (58)NoYesAug 2026

Top Picks for Chronic Fatigue Diary 3

Chronic Fatigue Diary 3#1

Chronic Fatigue Diary 3 by cellHigh

Editor's Choice
💪 Health & Fitness
0.0(0 ratings)
$4.99
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Track your Chronic Fatigue Syndrome (CFS) symptoms, triggers, and treatments with this easy-to-use diary. Analyze patterns, predict flare-ups, and share detailed reports with your doctor to better manage your condition.

PEM Diary - ME/CFS Crash Log#2

PEM Diary - ME/CFS Crash Log by Add Jam

Track post-exertional malaise
Strong Contender
💪 Health & Fitness
0.0(0 ratings)
Free
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This app helps individuals manage post-exertional malaise (PEM) by logging crashes, tracking severity, symptoms, and duration. It provides insights into patterns and creates a shareable record for personal reference or healthcare discussions.

Rox: Chronic Illness Care#3

Rox: Chronic Illness Care by Aman Jain

Pacing, Flare, Symptom Tracker
Worth Considering
💪 Health & Fitness
4.6(10 ratings)
FreeIn-App Purchases
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This app transforms your Apple Health data into a shareable visual story of your fitness achievements throughout the year. It highlights your most active days, milestones, and personal bests without requiring manual tracking. Reflect on your progress and celebrate your health journey.

More Chronic Fatigue Diary 3 apps to explore

4
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
5
Visible: Pacing for illness
Visible: Pacing for illness
Visible: Pacing for illness
For Long Covid, ME/CFS, POTS+
Free

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.

Measure heart rate variability (HRV) and resting heart rateLog symptoms, medication, and daily exertionTrack patterns and understand biometric influences
💪 Health & Fitness
(3.4K)
free with in-app purchases
6
Flare - Chronic Pain Tracker
Flare - Chronic Pain Tracker
Flare - Chronic Pain Tracker
Pain diary & symptom log app
Free

This app helps individuals with chronic pain conditions meticulously track their symptoms, medications, treatments, and appointments. It provides visual insights into patterns and generates reports for healthcare providers, empowering users to advocate for their health with concrete data.

Symptom tracking (pain, fatigue, etc.)Medication and treatment loggingProvider visit tracking
🏥 Medical
(14)
freemium
7
SymptomLog: Illness Diary
SymptomLog: Illness Diary
SymptomLog: Illness Diary
Chronic Flare & Pain Tracker
Free
💪 Health & Fitness
(0)
8
Chronic Insights
Chronic Insights
Chronic Insights
3D symptom diary
Free

This app allows users with chronic health conditions to meticulously track symptoms, vital signs, medications, and potential triggers. Visualize your health data with customizable charts and export it for your healthcare providers. Premium features offer advanced pain visualization and environmental data integration.

Track unlimited symptoms and vitalsIntegrate Apple Health dataVisualize data with custom charts
💪 Health & Fitness
(58)
freemium
9
Gupta Program Brain Retraining
Gupta Program Brain Retraining
Gupta Program Brain Retraining
For Chronic Illnesses
Free

This program offers a neuroplasticity approach to help individuals manage and recover from a wide range of chronic illnesses. It provides access to educational videos, audio exercises, and community support to facilitate healing and improve quality of life.

Neuroplasticity brain retrainingInteractive video sessionsAudio exercises
💪 Health & Fitness
(200)
free with in-app purchases
10
Symp Trac: Chronic Illness Log
Symp Trac: Chronic Illness Log
Symp Trac: Chronic Illness Log
Symptom, pain & flare diary
Free
💪 Health & Fitness
(0)
11
Freeme - ME/CFS and Long Covid
Freeme - ME/CFS and Long Covid
Freeme - ME/CFS and Long Covid
Take control with neuroscience
Free

This app leverages neuroscience to help individuals manage symptoms of ME/CFS and Long Covid. It provides daily exercises and sessions designed to reduce symptoms and regain control, with a special mode for flare-ups. The focus is on actively improving well-being rather than just tracking symptoms.

Neuroscience-based symptom reductionDaily exercises and sessionsFlare-Up Mode for fast relief
🏥 Medical
(54)
free with in-app purchases
12
Chronic Pain Diary
Chronic Pain Diary
Chronic Pain Diary
by Ben Delaporte
Free

Easily track chronic pain symptoms, treatments, and notes with a color-coded calendar and readable graphs. Quickly enter data, export reports via email, and manage multiple profiles. Streamline your health tracking to focus on your day.

Symptom and treatment trackingColor-coded calendarReadable graphs
🏥 Medical
(1)
free
13
Chronic Pain Diary Lite
Chronic Pain Diary Lite
Chronic Pain Diary Lite
by Ben Delaporte
Free

Easily track chronic pain symptoms, treatments, and notes with a color-coded calendar and insightful graphs. Quickly log entries and manage multiple profiles for comprehensive health journaling.

Symptom, treatment, and note trackingColor-coded calendar and listsQuick data entry
🏥 Medical
(1)
free
14
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
(27)
free
15
Simple Diary, Journal, Notes
Simple Diary, Journal, Notes
Simple Diary, Journal, Notes
Simple and cool diary app
Free

This app offers a straightforward and aesthetically pleasing way to maintain a daily journal. Designed for users seeking simplicity, it avoids complex settings for an intuitive and stress-free journaling experience.

Simple daily diary keepingEasy-to-use interfaceBeautiful and clean design
🔧 Utilities
(172)
ad-supported
16
Helfi
Helfi
Helfi
Symptom, Pain&Fatigue Tracker
Free
💪 Health & Fitness
(0)
17
Symptom Tracker: Health Diary
Symptom Tracker: Health Diary
Symptom Tracker: Health Diary
Chronic Pain & Fatigue Log
Free

This app helps individuals manage chronic illnesses by tracking symptoms, medications, and triggers. It provides detailed analytics to identify patterns and generate doctor-ready reports, aiding in better communication with healthcare providers.

Condition-specific profilesSmart trigger analysisDoctor-ready PDF reports
🏥 Medical
(1)
freemium
18
Symptrac - Symptom Tracker
Symptrac - Symptom Tracker
Symptrac - Symptom Tracker
Private AI Health & Pain Diary
Free
💪 Health & Fitness
(0)
19
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
20
Nervana: Chronic Symptom Coach
Nervana: Chronic Symptom Coach
Nervana: Chronic Symptom Coach
Pain, IBS & Fatigue Support
Free

This app helps individuals manage chronic symptoms like pain, fatigue, and anxiety by retraining the brain's response. It offers guided sessions, AI coaching, and science-backed exercises to address the root cause of neuroplastic symptoms.

Neuroscience-based symptom managementAI coaching for reflection and action itemsNervous system regulation practices
💪 Health & Fitness
(42)
free with in-app purchases

FAQ about Chronic Fatigue Diary 3

Are there free chronic fatigue diary 3 apps for iPhone?
Yes — 19 of the top chronic fatigue diary 3 apps we rank are free to download, including PEM Diary - ME/CFS Crash Log and Rox: Chronic Illness Care.
Chronic Fatigue Diary 3 has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 245+ chronic fatigue diary 3 apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Chronic Fatigue Diary 3 is designed to help individuals with Chronic Fatigue Syndrome (CFS) track their symptoms, identify triggers, monitor treatments, and manage their condition more effectively by providing detailed reports and pattern analysis.
The app helps manage CFS by allowing users to document symptoms, track potential triggers like diet and weather, and monitor the effectiveness of various treatments. Its 'Trending and Forecasting' module identifies contributing factors to fatigue and symptoms, empowering users to take control.