23+ iOS apps curated and reviewed
The best bluon apps on iPhone average 4.7★ across 23+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (4.5K) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.8★ (17K) | No | No | Aug 2026 |
| 3 |  | Free | 4.8★ (81) | No | No | Jul 2026 |
| 4 |  | Free | 5.0★ (5) | No | No | Aug 2026 |
| 5 |  | Free | — | No | No | Aug 2026 |
| 6 |  | Free | 4.1★ (108) | No | No | Aug 2026 |
| 7 |  | Free | 4.6★ (3.6K) | No | No | Aug 2026 |
| 8 |  | Free | 4.2★ (185) | No | No | Aug 2026 |
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 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 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.
This app helps HVAC/R technicians quickly identify and locate necessary parts for repairs on any equipment, whether for warranty or non-warranty services. It offers advanced tools for troubleshooting, system calculations, and accessing technical documentation, all from the job site.
This app provides Daikin service contractors with instant access to all technical and service information for Daikin products. It includes product specifications, manuals, error code troubleshooting, interactive field settings, and service videos. The app works online and offline, syncing data automatically for the latest updates.
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.
Connect with HVAC/R professionals to enhance your skills through educational discussions. This app aims to help technicians, installers, owners, educators, and students improve their expertise in the trade.
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.
Estimate the cooling capacity needed for your data center. This tool considers factors like space, occupants, and heat output to help you maintain optimal temperature and humidity. It provides instant results as you update inputs, serving as a guide for system selection.
This app connects HVAC technicians with local suppliers, offering real-time refrigerant pricing, appointment booking, and a community forum. It streamlines daily tasks for professionals by providing essential tools and information in one place.
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 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.
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.
Access new collection launches and special offers with this app. Enjoy a seamless shopping experience for all your favorite products, right at your fingertips. Browse new arrivals and get exclusive access to deals through push notifications.
Prepare for your EPA 608 HVAC Certification Exam with comprehensive practice tests and mock exams. Focus on specific topics, receive instant feedback, and track your progress with a personalized study plan to ensure you pass.
This app aggregates blog posts and podcasts from three organizations focused on digital workspaces, collaboration, and knowledge sharing. It aims to provide easy access to relevant content for professionals in the Dutch business and government sectors. Future updates will expand its functionality.
Prepare for your HVAC technician certification exam with a comprehensive mobile study tool. It offers a scientific study system, over 1,700 practice questions with detailed explanations, and simulated exams designed by experts. Track your progress and boost confidence for your first attempt.