Air Vent vs KWM Gutterman
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
KWM Gutterman
This app provides essential information for gutter installers. It includes machine adjustment videos, a coil calculator, and tools to manage job material lists and customer details.
- Machine adjustment videos
- Coil calculator
- Job material list
- Customer information management
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KWM Gutterman is the No. 1 informational app for the gutter industry exclusively designed with the installer in-mind. Contains machine adjustment videos coil calculator and gutter job material list with the customers information at your fingertips.
Screenshots
Verdict
The clearest difference is rating: KWM Gutterman at 5.0 against Air Vent's 4.0. KWM Gutterman also leads on review sentiment (100% vs 60%) and update cadence (every 4 months vs every 14 months). Air Vent's advantage is iOS requirement (8.0 vs 13.0). 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.
KWM Gutterman holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 60% of Air Vent's written reviews are positive against 100% of KWM Gutterman's.
Air Vent ships an update every 14 months, KWM Gutterman every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Air Vent | KWM Gutterman |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (6 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | 5 |
| Update frequency | Every 14 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 46 MB | 40 MB |
| Age rating | 4+ | 12+ |
| Developer | Gibraltar Industries Inc. | KWM Gutterman Inc |
Customer experience
Air Vent
KWM Gutterman
In-app purchases
Air Vent
No in-app purchases
KWM Gutterman
No in-app purchases
