# Lomanco Vent Tools vs Air Vent

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.

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.

## The numbers

| Metric | Lomanco Vent Tools | Air Vent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/lomanco-vent-tools/id1074338207/reviews)** | [4.0 (6 ratings)](https://appshunter.io/ios/app/air-vent/id1138721814/reviews) |
| Number of ratings | **11** | 6 |
| Positive reviews | **87.5% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Monetization | Free | Free |
| Size | 2 MB | 46 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lomanco, Inc.](https://appshunter.io/developer/1074338206) | [Gibraltar Industries Inc.](https://appshunter.io/developer/1138721813) |

## What reviewers say

### Lomanco Vent Tools

[App page](https://appshunter.io/ios/app/lomanco-vent-tools/id1074338207)

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.

**Highlights:** Ventilation Calculator, Soffit Panel Tool, Whirlybird Pitch Tool, Product Information, Roof pitch calculation, Attic ventilation balancing

**Features:** macOS Compatibility

**In-app purchases:** none


### Air Vent

[App page](https://appshunter.io/ios/app/air-vent/id1138721814)

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.

**Highlights:** Ventilation system calculation, Roof pitch calculation, Roof pitch camera mode, Roof pitch level mode, Product information documents, Information videos

**In-app purchases:** none


## Frequently asked questions

### Is Lomanco Vent Tools free?

Lomanco Vent Tools is free to download, with no in-app purchases.

### Is Air Vent free?

Air Vent is free to download, with no in-app purchases.

### Which has better reviews, Lomanco Vent Tools or Air Vent?

Lomanco Vent Tools is rated higher. Lomanco Vent Tools averages 4.5 out of 5 from 11 ratings, while Air Vent averages 4.0 from 6 ratings.

### Do Lomanco Vent Tools or Air Vent have ads?

Neither Lomanco Vent Tools nor Air Vent shows ads.

### Which is updated more often, Lomanco Vent Tools or Air Vent?

Lomanco Vent Tools ships an update every 2 months, and Air Vent every 14 months. Most recently, Lomanco Vent Tools was updated on November 2, 2026 and Air Vent on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*