Best Readione By Fatigue Science Apps

228+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

ReadiOne by Fatigue Science is the household name in readione by fatigue science, but it's far from the only option. We track 228+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Readione By Fatigue Science

4.8😐(9.3K ratings)
FreeIn-App Purchases
#100in News
Scientific American screenshot 1
Scientific American screenshot 2
Scientific American screenshot 3
Scientific American screenshot 4
Scientific American screenshot 5

Access expert insights on groundbreaking science and technology advances. Stay informed with news, commentary, and in-depth features from leading scientists. Explore the modern world through a trusted lens.

What We Love

  • 🚀 Great reading experience
  • 👍 Intuitive navigation
  • 🚀 Fast and responsive
  • 👍 Broad range of topics

Room to Improve

  • 🐛 Subscription issues and login problems
  • 🐛 Inconsistent performance and crashes
  • 🐛 Buggy downloads and lost content
Visible: Pacing for illness#3

Visible: Pacing for illness by Visible Health Inc.

For Long Covid, ME/CFS, POTS+
Worth Considering
💪 Health & Fitness
4.8😊(3.3K ratings)
FreeAds
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Visible: Pacing for illness screenshot 2
Visible: Pacing for illness screenshot 3
Visible: Pacing for illness screenshot 4
Visible: Pacing for illness screenshot 5
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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

More Readione By 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
(61K)
free with in-app purchases
5
SleepScore by Sleep.ai
SleepScore by Sleep.ai
SleepScore by Sleep.ai
Proven to improve sleep
Free

This app uses patented sonar technology to track your sleep cycles and provide personalized, science-backed advice for improvement. It offers features like sleep sounds, a smart alarm, and lifestyle challenges to help you fall asleep faster and wake up refreshed.

Patented sonar sleep trackingPersonalized actionable adviceSleep cycle analysis
💪 Health & Fitness
(7.5K)
freemium
6
Athlytic: AI Fitness Coach
Athlytic: AI Fitness Coach
Athlytic: AI Fitness Coach
HRV Based Training & Recovery
Free

This app analyzes your Apple Watch data to provide personalized insights into your recovery, exertion, and sleep. It offers daily recommendations for training, sleep targets, and bedtime, along with 24/7 health monitoring and detailed workout analysis.

HRV-based recovery analysisTargeted exertion guidancePersonalized sleep recommendations
💪 Health & Fitness
(10K)
free with in-app purchases
7
Muscle Booster Workout Tracker
Muscle Booster Workout Tracker
Muscle Booster Workout Tracker
Calisthenics, Chair, Gym Plans
Free

This app acts as a personal trainer, creating customized workout plans for muscle gain, weight loss, or recovery. It offers a vast library of exercises and challenges for home or gym, adapting to your available equipment and goals.

Personalized workout plans1000+ exercise libraryHome and gym workouts
💪 Health & Fitness
(135K)
free with in-app purchases
8
Speechify – Text to Speech PDF
Speechify – Text to Speech PDF
Speechify – Text to Speech PDF
Voice AI Assistant, Read Aloud
Free

This app transforms text into spoken word with lifelike voices, reads documents, images, and articles aloud, and offers voice typing. It also features an AI assistant for summarizing and quizzing, and allows for AI podcast creation.

Reads text aloud from various sourcesVoice typing for faster inputAI assistant for summarization and quizzes
📊 Productivity
(492K)
free with in-app purchases
9
New Scientist
New Scientist
New Scientist
Weekly Science News Magazine
Free

Access award-winning journalism on science and technology. Read daily news, watch videos, and listen to podcasts covering topics from AI to quantum physics. Log in with your subscription for full access.

Daily news updatesLatest issue accessScience videos
📡 News
(5.2K)
free with in-app purchases
10
Muscle & Motion: Strength
Muscle & Motion: Strength
Muscle & Motion: Strength
Master Exercise Anatomy
Free

Explore exercise anatomy with interactive 3D animations. Understand muscle engagement, biomechanics, and common mistakes to train smarter and reduce injury risk. Access a vast library of exercises and educational content.

Interactive 3D anatomy model3D exercise anatomy libraryMuscle and joint involvement visualization
💪 Health & Fitness
(7.7K)
free with in-app purchases
11
pliability: Stretch & Mobility
pliability: Stretch & Mobility
pliability: Stretch & Mobility
flexibility, workout recovery
Free

Enhance flexibility, mobility, and recovery with guided stretching routines. This app offers personalized programs, progress tracking, and integrates with fitness devices to help users move better and prevent injuries.

1,700+ guided stretching routinesCustomized mobility training programsInstant start, no equipment required
💪 Health & Fitness
(9.6K)
free with in-app purchases
12
WHOOP
WHOOP
WHOOP
by Whoop Incorporated
Free

This wearable device and companion app provide in-depth health insights, including sleep, recovery, and strain levels. It offers personalized coaching and recommendations based on your body's unique physiology to help you achieve your health and fitness goals.

Personalized Sleep InsightsDaily Recovery ScoreCardiovascular & Muscular Strain Measurement
💪 Health & Fitness
(33K)
free with in-app purchases
13
Life Time Digital
Life Time Digital
Life Time Digital
by Life Time, Inc.
Free

Access a comprehensive suite of fitness, health, and wellness resources without a club membership. Features AI-powered personalized plans, expert-led classes, nutrition guidance, meditation, and event registration.

AI-powered personalized fitness plansOn-demand and live fitness classesExpert nutrition plans and meal guides
💪 Health & Fitness
(177K)
free
14
Stress Monitor for Watch
Stress Monitor for Watch
Stress Monitor for Watch
HRV Tracker & Health Insights
Free

Monitor your stress, activity, and sleep using your Apple Watch data. Gain insights into your body's signals like HRV and resting heart rate to understand what impacts your well-being. Receive personalized recommendations for better mental, emotional, and physical performance.

Stress monitoringHRV and Resting Heart Rate analysisActivity and sleep tracking
💪 Health & Fitness
(8.8K)
freemium
15
PeakWatch - AI Fitness Coach
PeakWatch - AI Fitness Coach
PeakWatch - AI Fitness Coach
HRV Training Recovery Sleep
Free

This app analyzes your health data to provide personalized training recommendations, recovery insights, and sleep analysis. It offers AI-powered explanations, body energy tracking, and stress monitoring to help you train smarter and feel healthier.

AI-powered insights and explanationsBody Energy and Stress trackingHRV-based Recovery analysis
💪 Health & Fitness
(2.5K)
freemium
16
FITTR: Health & Fitness App
FITTR: Health & Fitness App
FITTR: Health & Fitness App
Health Tests, Workouts & Diets
Free

This app helps you proactively manage your health through a science-backed ecosystem. It integrates wearables, smart tools, and lab tests to help you understand your body, diagnose potential issues, and implement personalized lifestyle interventions for long-term well-being.

Health and lifestyle tracking via wearablesCalorie, protein, and body fat calculatorsSmart scale with 50+ health metrics
💪 Health & Fitness
(2.4K)
free with in-app purchases
17
FITIV Workout & Health Tracker
FITIV Workout & Health Tracker
FITIV Workout & Health Tracker
HRV, Sleep & Heart Rate Zones
Free

This app is a comprehensive health and fitness tracker that monitors workouts, heart rate, sleep, and recovery. It provides actionable insights to help users train smarter and achieve their fitness goals.

Heart rate zone trainingHRV and recovery trackingSleep monitoring
💪 Health & Fitness
(13K)
free with in-app purchases
18
Voice Dream - Natural Reader
Voice Dream - Natural Reader
Voice Dream - Natural Reader
Text to Voice - Read Aloud TTS
Free

Transform digital and scanned text into natural-sounding speech with advanced AI. Listen to PDFs, web pages, emails, and books with customizable voices and reading styles. Supports numerous document formats and cloud services.

AI Text-to-SpeechSupports PDF, Web, Email, eBooksCustomizable voices and languages
📚 Education
(14K)
free with in-app purchases
19
RelaxWatch: Stress&HRV Tracker
RelaxWatch: Stress&HRV Tracker
RelaxWatch: Stress&HRV Tracker
Stress & HRV Tracker for Watch
Free

This app monitors stress levels using Heart Rate Variability (HRV) and heart rate data from your Apple Watch. It provides clear insights, personalized plans, and trend reports to help you manage stress, improve sleep, and enhance overall health.

Real-time dynamic stress monitoringWatch face widgets for quick accessSmart stress alerts and warnings
💪 Health & Fitness
(531)
subscription
20
Aura: Meditation & Sleep, CBT
Aura: Meditation & Sleep, CBT
Aura: Meditation & Sleep, CBT
Mindfulness, Relaxation, Calm
Free

This app offers personalized mental wellness tools, including meditations, sleep stories, life coaching, and CBT. It uses advanced algorithms to tailor content to your needs, helping you find peace, reduce stress, and improve sleep. Join a community of millions and build a daily self-care habit.

Personalized mindfulness meditationsSleep tales and relaxation soundsCognitive Behavioral Therapy (CBT)
💪 Health & Fitness
(35K)
freemium