250+ iOS apps curated and reviewed
Out of 250+ supercool slide rule hvac apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2★ (185) | No | No | Aug 2026 |
| 2 |  | Free | 4.8★ (17K) | No | No | Aug 2026 |
| 3 |  | Free | 4.8★ (52) | No | No | Aug 2026 |
| 4 |  | Free | 4.8★ (81) | No | No | Jul 2026 |
| 5 |  | Free | — | No | Yes | May 2026 |
| 6 |  | Free | — | No | Yes | Jul 2026 |
| 7 |  | Free | 4.8★ (4.5K) | Yes | No | Aug 2026 |
| 8 |  | Free | 2.1★ (18) | No | No | May 2026 |
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 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 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.
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 app provides HVAC mechanics with a digital pressure-temperature chart. Select refrigerants to access necessary data and quickly calculate superheat and subcool averages for field tasks.
Prepare for your HVAC licensing exam with over 700 practice questions covering all essential subjects. This app offers offline study modes, allowing you to practice anytime, anywhere, and build confidence for your real exam.
This app provides HVAC technicians with a comprehensive electronic pressure-temperature calculator for over 100 refrigerants. It allows for quick lookups, email sharing of data, and displays detailed refrigerant properties. The app is optimized for iOS devices and includes global city elevation data for accurate atmospheric pressure calculations.
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.
