24+ iOS apps curated and reviewed
The best bluon apps on iPhone average 4.5★ across 24+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (4.5K) | Yes | No | Oct 2026 | |
| 2 |  | Free | 4.8★ (17K) | No | No | Oct 2026 | |
| 3 |  | Free | 5.0★ (5) | No | No | Aug 2026 | |
| 4 |  | Free | 4.8★ (81) | No | No | Jul 2026 | |
| 5 |  | Free | 4.1★ (108) | No | No | Oct 2026 | |
| 6 |  | Free | 4.6★ (3.6K) | No | No | Oct 2026 | |
| 7 |  | Free | 4.2★ (185) | No | No | Oct 2026 | |
| 8 |  | Free | 5.0★ (3) | No | Yes | Sep 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 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.
