90+ iOS apps curated and reviewed
Looking for free manual j apps? 17 of our 90+ 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 was $1.99 | 4.8★ (34) | No | Yes | Aug 2026 |
| 2 |  | Free | — | No | Yes | Aug 2026 |
| 3 |  | Free was $12.99 | 4.0★ (1) | No | Yes | Jun 2026 |
| 4 |  | Free | 5.0★ (1) | No | Yes | Sep 2026 |
| 5 |  | $34.99 | 3.0★ (3) | No | Yes | Jul 2026 |
| 6 |  | Free | 5.0★ (1) | No | Yes | Aug 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | 3.4★ (5) | Yes | Yes | Aug 2026 |
This app provides professional HVAC load calculations for contractors, offering three levels of accuracy from quick estimates to detailed Manual J calculations. It's designed for field use with an intuitive interface, offline capabilities, and professional report generation.
This tool provides fast, accurate HVAC load calculations for residential systems. It helps professionals size furnaces, air conditioners, and gas equipment correctly, avoiding guesswork and spreadsheets for confident client recommendations and more closed bids.
This app transforms your iPhone or iPad Pro into a comprehensive HVAC design toolkit. It allows for on-site room scanning with LiDAR, calculation of heating and cooling loads, duct and equipment sizing, and generation of professional PDF reports.
Perform detailed residential heating and cooling load calculations in the field. This app offers extensive data on building materials, weather, and project management for HVAC engineers and technicians.
This app streamlines HVAC load calculations, enabling users to quickly generate Manual J, S, and D outputs. It allows for on-the-spot pricing and uses real-world data for accurate estimates, even while on-site.
This app assists HVAC professionals with accurate load calculations for residential and commercial projects. It adheres to industry-standard ACCA Manual J 8th Edition guidelines, integrating data from DOE and NREL for precise results.
This educational app allows students to review and prepare for lessons at home. It is designed to supplement classroom learning for J PREP Kids students.
Easily create step-by-step manuals using photos and text. Share your guides online with your team, allowing for collaborative editing and updates. Features include a message function for help and a 'Good job' feature for appreciation.
Access pool equipment manuals, contact pool care services for work orders, and inquire about new projects. Review company information and connect with the team for all your pool needs.
Accurately calculate the cooling capacity needed for cold rooms, storage, and freezers. Input room details, insulation, temperatures, and product information for precise, data-driven recommendations. Generate shareable PDF reports for your projects.
