151+ iOS apps curated and reviewed
The best niosh nle apps on iPhone average 4.1★ across 151+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
This utility calculates the Recommended Weight Limit (RWL) and Lifting Index (LI) for single or multiple lifting tasks based on the NIOSH Lifting Equation. It helps assess physical stress to prevent low back musculoskeletal disorders.
This tool helps outdoor workers stay safe by providing real-time heat index information and hourly forecasts specific to their location. It offers occupational safety recommendations and details on heat-related illnesses and their first aid.
This app provides essential industrial hygiene data for 677 chemicals, helping workers and professionals identify and manage occupational hazards. It includes exposure limits, chemical identifiers, and search functionalities for quick access to critical safety information.
This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.
Quickly access critical information on hazardous materials for handling, storage, and incident response. Features include advanced search, sorting, and filtering of materials from key regulatory tables and guides. Offline access ensures availability in any situation.
This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.
This app measures your daily noise exposure to help you understand when sound levels exceed safe limits. It provides real-time alerts and works in the background, assisting you in protecting your hearing from potential damage.
This free tool helps small businesses identify workplace hazards with self-inspection checklists. It provides resources and covers various safety and health topics relevant to general industry. Information is saved locally and not shared with any agencies.
Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.
Access the official 2024 Safety and Occupational Health Requirements Manual from the U.S. Army Corps of Engineers. This app provides the full 800-page manual in a searchable, mobile format for easy on-the-go access and reference.
This app provides industrial hygiene information to help users identify and manage occupational chemical hazards. It includes data from NIOSH and the DOT's Emergency Response Guidebook, reformatted for easy mobile reading. Access essential safety information offline.
This app provides comprehensive safety solutions for lone workers, those working at height, and in hazardous environments. It offers features like automatic fall detection, panic buttons, and heat stress notifications to ensure rapid emergency response and compliance.
This app empowers members of the NASI Benefit Fund to understand their available benefits and their role within their union. It provides access to general news, industry-specific updates, and tools for reporting violations and engaging in political action.
Prepare for firefighter certification exams or refresh your knowledge with an interactive study guide. Features over a thousand questions, including Hazmat Ops, with explanations and illustrations. Track your progress and compete with friends.
Stay informed about the organization representing over 14,000 heavy equipment operators, technicians, and engineers in Michigan. This app provides news and updates on the organization and its members who contribute to major infrastructure projects across the state.
This utility app allows oil and gas industry personnel to submit incident reports and trip assessments. It also serves as a digital safety passport for storing training certifications and onsite inspection forms.
Calculate recommended weight limits for lifting tasks using the revised NIOSH equation. This tool helps assess risks and suggests improvements for manual handling in various work situations. It's based on an internationally recognized method.
This app transforms your iPhone into a professional sound level meter. It provides real-time decibel monitoring, instant feedback on noise intensity, and smart notifications for safety limits. Track your noise exposure over time with detailed history and exportable reports.