250+ iOS apps curated and reviewed
Looking for free readisync by fatigue science apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Aug 2026 |
| 2 |  | Free | 3.8★ (13) | No | No | May 2026 |
| 3 |  | Free | 4.6★ (29K) | No | No | Aug 2026 |
| 4 |  | Free | 4.8★ (67K) | No | No | Aug 2026 |
| 5 |  | Free | 4.2★ (11) | No | No | Aug 2026 |
| 6 |  | Free | 4.8★ (3.4K) | No | No | Aug 2026 |
| 7 |  | Free | — | No | No | Aug 2026 |
| 8 |  | Free | 3.9★ (9) | No | No | Aug 2026 |
This app helps workers visualize their real-time and future fatigue levels using a biomathematical model. It analyzes sleep data to predict performance impacts and identify periods of greatest fatigue risk, ensuring fitness for duty.
Earn rewards for healthy actions like walking and exercising. Contribute to medical research by securely sharing your health data. Track your progress and sync with popular fitness apps and wearables.
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.
Participate in digital health research by responding to surveys, completing tasks, and connecting wearable devices. This app facilitates communication with your study team and integrates with Apple HealthKit for movement data collection.
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.
This app helps you understand and manage your energy levels by linking wearable data with daily check-ins. It provides insights into activity, recovery, and fatigue to help you pace your days and avoid crashing. Designed for individuals managing persistent fatigue conditions.
This app bridges the gap between your iPhone and compatible smartwatches, enabling seamless data synchronization and notification management. It offers reliable connectivity, battery efficiency, and secure communication for an enhanced user experience.
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.
Consolidate data from various wearables into a single app for recovery, readiness, and sleep insights. Share progress, follow friends, and compete on leaderboards to make fitness social and motivating.
Seamlessly transfer your health and fitness data between various popular apps and devices. This tool automates background syncing, ensuring your information is up-to-date across your chosen platforms. Enjoy a week-long free trial to explore its capabilities before a one-time purchase unlocks full historical data syncing.
Unify health data from various wearables and manual logs into a single dashboard. Gain insights into how daily choices impact sleep, recovery, and overall well-being. Understand your body's patterns and make data-driven decisions for a healthier life.
This app acts as a confidential health assistant, consolidating your healthcare information, benefits, and employer perks. Access care, track your wellbeing goals to earn points, and sync data from popular activity trackers.
This utility app securely connects your Fitbit account to Apple Health, syncing vital health metrics like weight, steps, and sleep. Keep your health profile updated across your iPhone and other fitness applications with ease.
This app tracks your health and fitness data, including exercise, sleep, and physiological cycles. It connects with wearable devices to record and manage your progress, offering personalized insights and goal setting. Share your achievements and sync data with Apple Health for a comprehensive overview.
This app syncs data from a smartwatch, including steps, heart rate, and sleep. It also pushes phone notifications to the watch and allows for watch configuration like alarms and weather updates. Health data is for reference only and not for medical use.
This app administers the Psychomotor Vigilance Test (PVT) to objectively measure alertness and reduce workplace risks. It is scientifically validated and unaffected by individual differences, providing immediate performance scores for real-time decision-making.
Consolidate all your health data, including smart device integrations and medical records, into a single, AI-powered platform. Track your well-being effortlessly through voice, text, or uploads, and receive personalized insights and proactive care suggestions.
This app analyzes your health data from wearables, labs, and other apps to provide personalized daily plans and weekly reviews. Get clear guidance based on your body's current state, not generic advice. Understand your health metrics and make informed decisions.