Lomanco Vent Tools vs KWM Gutterman
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.
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 Lomanco Vent Tools's 4.5. KWM Gutterman also leads on review sentiment (100% vs 88%) and iOS requirement (13.0 vs 15.0). Lomanco Vent Tools's advantage is update cadence (every 2 months vs every 4 months). 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 4.5. Both are backed by a comparable volume of ratings — 11 and 5 respectively. Written reviews point the same way: 88% of Lomanco Vent Tools's written reviews are positive against 100% of KWM Gutterman's.
Lomanco Vent Tools ships an update every 2 months, KWM Gutterman every 4 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.
| Parameter | Lomanco Vent Tools | KWM Gutterman |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (11 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 87.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 11 — better | 5 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 40 MB |
| Age rating | 4+ | 12+ |
| Developer | Lomanco, Inc. | KWM Gutterman Inc |
Customer experience
Lomanco Vent Tools
KWM Gutterman
In-app purchases
Lomanco Vent Tools
No in-app purchases
KWM Gutterman
No in-app purchases



