222+ iOS apps curated and reviewed
Johnstone Supply HVACR is the household name in hvacr supply, but it's far from the only option. We track 222+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (5) | Yes | No | May 2026 |
| 2 |  | Free | 4.9★ (866) | No | No | Aug 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | 3.8★ (47) | No | No | Aug 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | 3.7★ (3) | No | No | May 2026 |
| 8 |  | Free | — | No | No | May 2026 |
Access a comprehensive catalog of HVAC and refrigeration parts, supplies, and equipment. Check real-time inventory, scan product barcodes for quick identification, and utilize integrated contractor tools. Request an account to streamline your procurement process.
Access a vast selection of plumbing, heating, and HVAC supplies with real-time customer support. Quickly find products using barcode scanning, reorder frequently purchased items, and access helpful resources like install guides and spec sheets. Enjoy fast shipping to most of the US.
This app provides HVACR technicians with essential tools and information for field service. It includes refrigerant calculators, troubleshooting guides, product finders, and access to spare parts. Listen to educational podcasts to enhance your knowledge on the go.
This app helps HVACR technicians diagnose and resolve system issues. It guides users through common symptoms, identifies potential causes, and recommends solutions. An offline database is available for use in remote locations.
Shop for plumbing, electrical, and HVAC supplies with ease. Browse an extensive catalog, place orders for delivery or pickup, and access real-time pricing and inventory updates. Track your order history and reorder favorites for a streamlined procurement process.
This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.
This app simplifies product shopping for businesses by providing real-time pricing and availability. Users can easily search, browse, save favorites, and access order history, all while locating nearby stores.
Access HVACR courses, communities, and resources on the go. Stay updated with industry trends and engage with peers. Ideal for professionals and students preparing for certifications and sharpening technical skills.
This app offers comprehensive study materials and tools for HVAC certification, including practice questions, AI tutoring, and field tools for real-time data analysis. It connects with compatible devices for enhanced functionality and provides community features for collaborative learning.
Order plumbing and water works supplies anytime, anywhere. Access detailed product specifications, images, and installation guides for efficient project management.
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 application helps HVAC technicians diagnose and repair systems quickly and accurately. It offers robust diagnostic tools to identify problems faster, leading to fewer callbacks and more satisfied customers. It supports various HVAC systems, making it an all-in-one solution for professionals.
Prepare for your EPA 608 certification exams with realistic practice tests and quizzes. Featuring over 1,600 expert-written questions, detailed explanations, and personalized study plans, this app helps you pass on your first attempt.
This app allows plumbing and HVAC professionals to search and order equipment and supplies online. Users can scan barcodes, create product groups, save carts, and review order history. It also provides account management features and location services.