188+ iOS apps curated and reviewed
Looking for free ref tools apps? 20 of our 188+ 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 | 3.8★ (47) | No | No | Jul 2026 |
| 2 |  | Free | 3.7★ (3) | No | No | May 2026 |
| 3 |  | Free | 4.8★ (17K) | No | No | Jul 2026 |
| 4 |  | Free | 2.8★ (18) | No | No | May 2026 |
| 5 |  | Free | 4.8★ (216K) | No | No | Jul 2026 |
| 6 |  | Free | 4.8★ (5.1K) | Yes | No | Jul 2026 |
| 7 |  | Free | 4.8★ (81) | No | No | Jul 2026 |
| 8 |  | Free | 4.8★ (4.5K) | Yes | No | Jul 2026 |
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.
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 helps technicians quickly test AC and DC solenoid coils. It uses your smartphone's sensors to detect magnetic fields, indicating if a coil is functioning correctly. Offers simple and advanced modes for easy or precise testing.
Discover the latest coupons, instant savings, and exclusive deals for members. Browse tools, check local stock, and create wish lists. Scan barcodes in-store for more product information.
Access a vast database of product information for air conditioning and refrigeration systems on your mobile device. Quickly find specifications, diagrams, and diagnostic tools. Includes AI-powered assistance and a "Where To Buy" locator.
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.
Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.
This tool helps HVACR technicians quickly and accurately adjust thermostatic expansion valves. It uses advanced algorithms to provide valve-specific recommendations, optimizing cooling systems in minutes and improving energy efficiency.
This app provides electricians with essential tools for conduit bending, calculations, and quick reference. It simplifies electrical work with features like voltage drop calculation and a user-friendly fraction calculator.
This tool quickly determines refrigerant data, including properties, safety groups, GWP, and ODP. It offers intuitive temperature-to-pressure conversion and supports both metric and imperial units. Access detailed information and links to online resources for over 100 refrigerants.
Manage, monitor, and maximize your tools with this app. Register new purchases, track connected tools, and explore the product catalog. Access manuals, warranty information, and find nearby retailers.
This app connects to a smart rotary tool to provide usage insights, performance alerts, and speed recommendations. It helps users find the right accessories and settings for their projects, monitor tool battery life, and manage tool health.
This utility app provides quick, offline access to alarm and parameter codes for refrigeration controllers. It helps service technicians and engineers easily look up information without needing manuals or laptops.
Enhance your event experience with this official app. Access event details, news, exclusive content, and personalized offers. Navigate the venue, view schedules, and stay connected with social feeds.
This app helps professionals understand and comply with European F-Gas regulations. It provides tools for calculating refrigerant loads, determining leak detection frequencies, and identifying suitable process fluids for various equipment.
This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.
Browse and purchase from a vast catalog of over 1.8 million tools and parts from leading brands. This app serves as a one-stop shop for professional tool needs, offering high-quality items at discount prices.
This tool simplifies HVAC/R technician tasks by calculating pressure/temperature relationships, superheat, and subcool. It automatically adjusts for altitude and offers English/Metric units. Easily access favorite refrigerants and supplementary information.