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.






118+ iOS apps curated and reviewed
Finding the right danfoss troubleshooter apps can be overwhelming with so many options. We've analyzed 118+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.7★ (3) | No | No | May 2026 | |
| 2 | Free | 3.8★ (47) | No | No | Jul 2026 | |
| 3 | Free | 4.6★ (16) | No | No | May 2026 | |
| 4 | Free | 4.5★ (29) | No | Yes | Jul 2026 | |
| 5 | Free | 4.8★ (4.5K) | Yes | No | Jul 2026 | |
| 6 | Free | 2.8★ (18) | No | No | May 2026 | |
| 7 | Free | — | No | No | Jun 2026 | |
| 8 | Free | 5.0★ (1) | No | No | May 2026 |






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 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 assists service technicians in diagnosing and troubleshooting Danfoss Turbocor® compressors in the field. It helps identify symptoms, explore potential causes, and provides recommended next steps, along with quick reference charts and service literature.


Access alarm descriptions, troubleshooting guides, and user manuals for Danfoss VLT drives. This professional tool provides essential information for commissioning and service, supporting a wide range of drive models.


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 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.




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.


Learn to troubleshoot electrical circuits with a virtual voltmeter and PLC logic. This app offers 17 random electrical problems for a challenging learning experience, allowing you to practice identifying issues in motor starters and control circuits.


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 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.


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 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.




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.


Control your home radiator heating remotely via Bluetooth. Adjust temperatures to match your schedule and save energy with automatic adjustments. This app is ideal for apartments or smaller homes.


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 enables trusted support agents to remotely access and troubleshoot your mobile device. Share your screen live and communicate via chat to resolve technical issues efficiently.


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.