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.



249+ iOS apps curated and reviewed
If you already know TG Alertness, this is the deeper bench. 249+ tg alertness apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | |
| 2 | Free | — | No | No | Jul 2026 | |
| 3 | Free | 3.8★ (13) | No | No | May 2026 | |
| 4 | Free | 3.9★ (9) | No | No | Aug 2026 | |
| 5 | Free | 1.6★ (14) | No | No | Jul 2026 | |
| 6 | Free | 4.8★ (67K) | No | No | Sep 2026 | |
| 7 | Free | 4.9★ (285K) | No | No | Sep 2026 | |
| 8 | Free | — | No | Yes | Jun 2026 |









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.






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.


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 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.


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.


This smart ring and companion app provide daily health insights and personalized recommendations based on your body's biometrics. Track sleep, activity, and readiness with actionable guidance to improve overall wellness and understand your body's signals.




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 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.




Log your symptoms and track your ECG monitor's shipping status. Access helpful information and instructional videos to guide you through your monitoring experience.


This FDA-cleared application uses a mobile device's motion sensors to objectively assess stability and reaction time. It helps healthcare professionals monitor for signs of imbalance, track injury recovery, and detect instability from medication changes.


This app tracks your daily activity, including steps, distance, and calories burned. It monitors sleep patterns, providing insights into duration and quality. Receive notifications for calls and messages, and use features like remote photography and an intelligent alarm.


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 promotes mindful screen time usage by prompting regular reflection and offering optional focus sessions. It guides users toward healthier digital habits through awareness and subtle nudges, rather than strict blocking. Data is kept private on the device.




This app monitors fatigue levels in real-time using a connected device, providing alerts to prevent microsleeps. It converts fatigue data into graphs for tracking and offers customizable modes for different viewing preferences.


This smart ring offers comprehensive sleep monitoring, tracking sleep stages, efficiency, and heart rate to provide a sleep score. It also monitors daily activity like steps and calories, and provides wellness insights for a healthier lifestyle.


This app helps you understand and manage your sleep and exercise habits. It integrates with smart devices to track your activity, analyze your patterns, and provide timely reminders for appointments and important dates. Develop better daily routines for improved well-being.