220+ iOS apps curated and reviewed
The best boilercrewaitr apps on iPhone average 3.7★ across 220+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (8.9K) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.2★ (16) | No | No | May 2026 |
| 3 |  | Free | 4.8★ (4.5K) | Yes | No | Aug 2026 |
| 4 |  | Free | 3.8★ (47) | No | No | Aug 2026 |
| 5 |  | Free | 5.0★ (5) | No | No | Aug 2026 |
| 6 |  | Free | 4.7★ (1.6K) | No | No | Aug 2026 |
| 7 |  | Free | 2.5★ (26) | No | No | Jul 2026 |
| 8 |  | Free | 4.6★ (1.5K) | No | No | Aug 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 tool connects to U.S. Boiler modulating condensing boilers via a Bluetooth adapter for commissioning, diagnostics, and service. It offers wizards for startup and troubleshooting, data logging, and remote support capabilities through a web portal.
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 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 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.
This app provides HVAC technicians with instant access to product information, including warranty status, inventory, and technical specifications. It offers real-time support, order tracking, and helpful calculators to streamline job management and business growth.
Remotely monitor and adjust boiler operating conditions and parameters from any smart device. Control set points, hot water, pump settings, and more for single boilers or multi-unit systems. Stay connected and in command of your heating system from anywhere.
This app streamlines HVAC installation and service for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with comprehensive support for product information, warranty tracking, and locating resources.
This app streamlines HVAC installation, service, and support for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with access to product information, warranty tracking, and dealer locators.
Streamline the process of commissioning Viessmann boilers with this user-friendly mobile application. It guides trained professionals through each step, ensuring a safe, efficient, and complete installation.
Manage commercial building thermostats remotely. Monitor sites, schedules, and settings, and override controls. Configure devices and manage users from your mobile device.
This app provides information on the latest innovations and allows users to log installation and service details for their units. Professionals can access live chat support and register installations, while owners can manage warranties and find local services.
Control your MrSteam steam shower remotely from your mobile device. Easily turn the shower on or off, and set your desired temperature and duration for a perfectly prepared experience.
This app provides HVAC/R professionals with on-the-go access to product information and essential tools. It features real-time order tracking, a duct calculator, warranty verification, and branch location details. Users can also search for parts, view technical documents, and receive special offer notifications.
This app provides a wireless interface for commercial HVAC technicians to control and service specific Lennox rooftop units. It offers guided setup, enhanced testing, and parameter configuration to streamline the service process.
This tool provides HVAC technicians with instant access to pressure and temperature data for over 100 refrigerants. It allows users to input one value to find the other, view detailed refrigerant properties, and email comprehensive charts and data.
This app provides HVAC professionals with a comprehensive resource for parts, supplies, and essential tools. Access product catalogs, check real-time availability, and utilize technical and sales tools to streamline business operations.
This app calculates HVAC/R system performance and aids in troubleshooting. It offers a wide selection of refrigerants and equipment profiling for various common systems.
This app provides HVAC professionals with a digital toolbox for everyday tasks. It offers product information, installation guides, and advanced features to streamline work, including project management and hydronic balancing tools.
Access technical information, troubleshooting guides, and how-to videos for a rooftop unit control system. This app serves as a central database for service and installation needs, minimizing the reliance on printed materials.