226+ iOS apps curated and reviewed
The best cylindex apps on iPhone average 3.7★ across 226+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
This app offers accredited online trade school courses and certifications for HVAC, plumbing, electrical, and more. Learn at your own pace, on your phone, and earn valuable credentials like EPA 608 and OSHA-10 without traditional school debt.
This app provides comprehensive study materials for firefighter training, including videos, flashcards, and exam preparation. It covers essential firefighting knowledge and skills, meeting NFPA standards. Access free introductory content and unlock full features with in-app purchases.
This platform empowers businesses to train their frontline workers efficiently via mobile. It offers accessible, multimedia-rich interactive training and resources, with content auto-translated into over 100 languages. Managers can assign tasks, communicate, and track progress, while admins can easily build content and manage users.
Explore career training programs and access essential resources for your educational journey. Stay informed, prepared, and connected from enrollment to graduation with tools for financial aid, student discounts, and important updates.
Access business knowledge, policies, and training materials on the go. Quickly find answers to questions, view team contact information, and complete assigned tasks. Stay informed and confident in carrying out business processes efficiently from anywhere.
This app serves as a comprehensive resource for HVAC technicians, offering a podcast, tech tip articles, and interactive calculators. It aims to enhance knowledge of HVAC theory, industry updates, and essential mathematics for both current and aspiring professionals.
This app provides essential data and calculators for oil and gas well calculations. Access key dimensions, strengths, and specifications for tubulars to quickly determine volumes and capacities. Supports multiple unit systems for flexible calculations.
Access comprehensive online safety training modules designed for quick comprehension. Complete training, pass quizzes, and earn certificates, all available within the app for future reference. New content is added regularly to keep your knowledge current.
Streamline jobsite operations with a comprehensive mobile platform for HSEQ management. Conduct paperless inspections, receive instant notifications, and configure flexible forms to standardize processes and reduce delays. Improve safety, productivity, and profitability on construction sites.
This app provides field workers with essential references to enhance safety management and reduce workplace injuries. It incorporates human performance concepts and promotes effective safety engagement to reinforce a culture of care and leadership.
Manage environmental, health, and safety aspects of your organization with this comprehensive cloud-based mobile application. It offers incident management, audits, corrective actions, and training tracking, with offline support for seamless data access.
This AI-powered platform offers a comprehensive learning and training solution for organizations. It enables users to complete courses, track progress, and receive personalized recommendations. Managers can create content, monitor teams, and provide feedback, while administrators can oversee operations and analyze performance.
Access and study your PADI training materials offline. Prepare for your underwater adventures and explore the marine world anytime, anywhere.
Master mechanical engineering concepts with AI-driven lessons, bite-sized videos, and quizzes. Dedicate just 60 minutes weekly to enhance your knowledge and skills in various business and engineering topics.
This platform offers subscription-based training for skilled trades, creating job-ready workers and upskilling existing ones. Access hundreds of hours of expert-led content in HVAC, plumbing, electrical, and more, with on-demand assessments to track progress.
Learn boating safety through interactive simulations and a virtual instructor. Earn your official, lifetime boater safety certification recognized nationwide. Optimized for touch devices and available offline.
Advance your career with on-the-go cybersecurity and IT training. Access a vast catalog of expert-led courses and develop essential skills for the technology industry anytime, anywhere.
This app provides a virtual training environment for healthcare professionals to learn and practice mechanical ventilation techniques. It simulates ventilator interfaces and patient physiology, allowing users to experiment with different strategies and observe real-time outcomes in a safe, controlled setting.
This app allows users to report incidents, conduct inspections, and perform observations directly from their mobile devices. It integrates with a web-based platform to streamline EHS risk management, offering features like camera and voice-to-text for faster data capture, both online and offline.