Best Fatigue Science Apps

166+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated May 2026

With an average user rating of 4.1★, the fatigue science category is one of the App Store's strongest. Browse all 166+ apps we track, sorted so the most loved ones surface first.

Compare top Fatigue Science Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ReadiOne by Fatigue ScienceReadiOne by Fatigue ScienceFree3.8★ (13)NoNoMay 2026
2ReadiSync by Fatigue ScienceReadiSync by Fatigue ScienceFreeNoNoJul 2026
3ReadiSuperviseReadiSuperviseFreeNoNoJul 2026
4RISE: Sleep TrackerRISE: Sleep TrackerFree4.7★ (63K)YesYesJul 2026
5Visible: Pacing for illnessVisible: Pacing for illnessFree4.8★ (3.4K)YesNoJul 2026
6Aviation Fatigue MeterAviation Fatigue MeterFree3.0★ (2)NoNoMay 2026
7FRMSc SurveyFRMSc SurveyFreeNoNoMay 2026
8Fatigue Meter AppFatigue Meter AppFree1.6★ (14)NoNoJul 2026

Top Picks for Fatigue Science

More Fatigue Science apps to explore

4
RISE: Sleep Tracker
RISE: Sleep Tracker
RISE: Sleep Tracker
Better Health, Focus & Habits
Free

This app helps you improve sleep and energy levels by tracking sleep debt and circadian rhythms. It offers personalized recommendations, guided meditations, and smart alarms based on sleep science.

Sleep debt calculationEnergy level trackingCircadian rhythm insights
💪 Health & Fitness
(63K)
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
Aviation Fatigue Meter
Aviation Fatigue Meter
Aviation Fatigue Meter
Fatigue study data collection
Free

This app allows aviation professionals to assess their fatigue levels during flight operations using validated alertness tests and customized surveys. Data is automatically synchronized securely for fatigue risk management.

Psychomotor Vigilance Test (PVT)Customized surveysFatigue assessment tests
💪 Health & Fitness
(2)
free
7
FRMSc Survey
FRMSc Survey
FRMSc Survey
by Fatigue Risk Management Science Limited
Free
💼 Business
(0)
8
Fatigue Meter App
Fatigue Meter App
Fatigue Meter App
by Pulsar Informatics
Free

This app helps employees assess their fatigue levels during operations by creating schedule scenarios and performing validated alertness assessments. It includes the gold-standard Psychomotor Vigilance Test and synchronizes data automatically.

Schedule scenario creation for fatigue riskValidated alertness assessmentsPsychomotor Vigilance Test (PVT)
💪 Health & Fitness
(14)
free
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
(199)
free with in-app purchases
10
IQSMS Fatigue
IQSMS Fatigue
IQSMS Fatigue
by ASQS GmbH
Free
💼 Business
(0)
11
Elite HRV: Wellness & Fitness
Elite HRV: Wellness & Fitness
Elite HRV: Wellness & Fitness
True Heart Rate Variability
Free

Monitor your stress, recovery, and well-being with this heart rate variability (HRV) tracking app. It helps prevent burnout, optimize training, and reduce stress by providing insights into your autonomic nervous system balance. Achieve better sleep, build resilience, and objectively measure progress toward your wellness goals.

Daily HRV & Morning Readiness ScoreAutonomic Nervous System (ANS) balance gaugeHRV Metrics (Time-domain and Frequency-domain)
💪 Health & Fitness
(6.3K)
free with in-app purchases
12
Fatigue Alert - Stay Awake
Fatigue Alert - Stay Awake
Fatigue Alert - Stay Awake
Real-Time Fatigue Monitoring
Free

This app monitors your head posture in real-time using AirPods to detect drowsiness. It provides timely alerts through sound, vibration, or Apple Watch haptics to keep you awake and alert, even when using other apps or with the screen locked.

Real-time head posture monitoringDrowsiness detection alertsMultiple alert methods (sound, vibration, haptics)
💪 Health & Fitness
(16)
freemium
13
FatigueSafe
FatigueSafe
FatigueSafe
Fatigue self-assessment tool
Free

Quickly assess your personal fatigue levels for work or personal use. It analyzes your current state, sleep quality, and physical/mental signs to improve safety and performance.

Personal fatigue level evaluationConsiders sleep quantity and qualityAnalyzes physical and mental fatigue signs
💪 Health & Fitness
(0)
free
14
DRUIDapp
DRUIDapp
DRUIDapp
Assess Performance Impairment
Free

This app assesses cognitive and motor function impairment using neuroscience-based tests. It offers quick or benchmark assessments to detect impairment from various causes like drugs, alcohol, fatigue, or illness. A workplace version with management controls is also available.

Cognitive and motor function assessment1-minute Rapid Test3-minute Benchmark Test
🔧 Utilities
(163)
free with in-app purchases
15
Fatigue Assistant
Fatigue Assistant
Fatigue Assistant
by Ligature Technologies, LLC.
Free
💪 Health & Fitness
(0)
16
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
(48)
free with in-app purchases
17
Elara Health: Fatigue & Pacing
Elara Health: Fatigue & Pacing
Elara Health: Fatigue & Pacing
Symptom Diary
Free

This app helps individuals manage fatigue and chronic tiredness by tracking symptoms, energy levels, sleep, and daily activities. It provides insights into patterns and connections to aid in energy management and self-care. The app also allows for organizing medications and health data securely.

Symptom journal and trackingEnergy and activity trackingSleep and recovery documentation
💪 Health & Fitness
(1)
ad-supported
18
Mental Fatigue
Mental Fatigue
Mental Fatigue
by Jan-Olof Karlsson
Free
💪 Health & Fitness
(0)
19
WatchME
WatchME
WatchME
ME/CFS pacing
Free

This app assists individuals diagnosed with ME/CFS in managing their energy levels by monitoring daily heart rate, stand time, steps, and distance. It integrates with HealthKit to track various health metrics and allows users to set personalized thresholds for alerts on their phone and watch.

Pacing within capacity envelopeHeart rate monitoringStand time tracking
💪 Health & Fitness
(13)
free
20
Fatigue RADAR
Fatigue RADAR
Fatigue RADAR
by Fatigue Management International Limited
Free

This app helps manage fatigue-related risks in the workplace by enabling real-time data capture and analysis. It promotes self-awareness and self-management of fatigue for employees, while also supporting organizational accountability and auditing.

Real-time fatigue data capturePre-shift fatigue and alertness assessmentFit for duty management
✈️ Travel
(0)
free

FAQ about Fatigue Science

What are the best fatigue science apps for iPhone?
ReadiOne by Fatigue Science tops our fatigue science apps ranking as of May 2026, with a 3.8-star average from 13 App Store ratings, and it's free to download.
Yes — 20 of the top fatigue science apps we rank are free to download, including ReadiOne by Fatigue Science and ReadiSync by Fatigue Science.
ReadiOne by Fatigue Science has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 166+ fatigue science apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
ReadiOne provides personal fatigue risk assessments and predicts performance impacts based on sleep analysis. It helps users visualize their fatigue levels and identify periods of greatest risk exposure.
ReadiOne uses the SAFTE biomathematical model to analyze sleep data. This data can come from wearable devices like Gamin or Fitbit, or be estimated by the ReadiML sleep forecasting engine.

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