250+ iOS apps curated and reviewed
Every iPhone needs a few good lomanco vent tools apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (11) | No | No | May 2026 | |
| 2 |  | Free | 4.0★ (6) | No | No | May 2026 | |
| 3 |  | Free | 3.0★ (6) | No | No | Jun 2026 | |
| 4 |  | Free | 1.0★ (1) | No | No | Jul 2026 | |
| 5 |  | Free | — | No | No | Oct 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | 1.9★ (76) | No | No | May 2026 | |
| 8 |  | Free | — | No | Yes | Sep 2026 |
Calculate the number of roof vents needed for a balanced attic ventilation system. This app helps determine intake and exhaust options, roof pitch, and soffit panel requirements. It also provides product information and tools for Whirlybird installations.
This app helps users calculate ventilation system requirements and roof pitch. It offers tools for precise measurements, an extensive library of project documents, and access to helpful videos and customer service information.
Calculate the necessary amount of ventilation products for an attic space. Input attic dimensions or square footage to receive results based on the NFA 1/300 rule for balanced ventilation.
