Lomanco Vent Tools vs Air Vent
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lomanco Vent Tools
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.
- Ventilation Calculator
- Soffit Panel Tool
- Whirlybird Pitch Tool
- Product Information
- Roof pitch calculation
- Attic ventilation balancing
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Lomanco Vent Tools gives contractors, installers, and homeowners quick access to practical roof ventilation tools from Lomanco. Use the app to calculate balanced attic ventilation, estimate soffit panel needs, check roof pitch, identify the correct Whirlybird® base pitch, and access Lomanco product information from one convenient place. Lomanco Vent Tools includes: • Vent Calculator Calculate how many Lomanco intake and exhaust vents are needed for a properly balanced attic ventilation system. • Soffit Panel Tool Estimate soffit panel requirements and help diagnose inadequate intake ventilation. • Whirlybird® Pitch Tool Measure roof pitch, determine the correct Whirlybird® base number, and save/share a photo with roof pitch information. • Vent Resources Access Lomanco product information, ventilation resources, support links, and related tools. Whether you are planning a roof ventilation job, checking an existing installation, or working in the field, Lomanco Vent Tools helps keep the information you need close at hand.
Air Vent
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.
- Ventilation system calculation
- Roof pitch calculation
- Roof pitch camera mode
- Roof pitch level mode
- Product information documents
- Information videos
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Air Vent App empowers the user of the app to quickly calculate & share the vent requirements for the perfect ventilation system. The app also has an Air Vent Roof pitch tool that helps you calculate your roof pitch, the results of which will in-turn help you find the intake and exhaust vent options. The app holds an extensive library of documents that will help you get all the information you will need to start your roofing project. The Air Vent App includes Air Vent Calculator Air Vent Roof Pitch Tool Roof Pitch Camera mode : Use this digital pitch calculator to find pitch of the roof without ever leaving the ground. Roof Pitch Level mode : Use this digital roof pitch calculator to find pitch of the roof by laying your device directly against the roofs. Product Information Documents Information Videos Registration link to Ask the Expert™ Seminars Air Vent Customer Service Information Option to send in your feedback to Air Vent Frequently asked questions about ventilation Links to Air Vent Social Media
Screenshots
Verdict
The clearest difference is rating: Lomanco Vent Tools at 4.5 against Air Vent's 4.0. Lomanco Vent Tools also leads on update cadence (every 2 months vs every 14 months) and review sentiment (88% vs 60%). Air Vent's advantage is iOS requirement (8.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Lomanco Vent Tools holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 11 and 6 respectively. Written reviews point the same way: 88% of Lomanco Vent Tools's written reviews are positive against 60% of Air Vent's.
Lomanco Vent Tools ships an update every 2 months, Air Vent every 14 months. Both last shipped on November 2, 2026.
| Parameter | Lomanco Vent Tools | Air Vent |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (11 ratings) — better | 4.0 (6 ratings) |
| Positive reviews | 87.5% of reviews — better | 60.0% of reviews |
| Number of ratings | 11 — better | 6 |
| Update frequency | Every 2 months — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Lomanco, Inc. | Gibraltar Industries Inc. |
Customer experience
Lomanco Vent Tools
Air Vent
In-app purchases
Lomanco Vent Tools
No in-app purchases
Air Vent
No in-app purchases
