Roofing Ventilation Calculator vs GAF Master Flow QuickConnect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Roofing Ventilation Calculator
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.
- Attic dimension input
- Square footage input
- NFA 1/300 rule calculation
- Ventilation product quantity determination
- Balanced ventilation planning
Read full descriptionHide full description
The Ventilation Calculator from CertainTeed is the ideal tool for quickly determining the amount of ventilation products needed to outfit an attic space with proper balanced ventilation. Simply enter the length and width of the attic space or the overall square footage of the space and the Ventilation Calculator produces results based upon the NFA 1/300 rule.
GAF Master Flow QuickConnect
Control your connected attic vent remotely via Wi-Fi using your smartphone or tablet. Monitor and adjust humidistat and thermostat settings to manage attic heat and moisture efficiently.
- Remote Wi-Fi control
- Monitor humidistat
- Adjust thermostat
- Manage attic heat
- Manage attic moisture
Read full descriptionHide full description
GAF Master Flow QuickConnect™ Wi-Fi Technology allows you to control your connected device from virtually anywhere (with an internet connection) via your smartphone or tablet. This next-generation technology is both safe and smart, enabling you to connect wirelessly to your Wi-Fi®-enabled power attic vent in order to monitor and adjust the humidistat and thermostat. Master Flow QuickConnect™ Wi-Fi Technology provides you simplified control of your ventilation so that you can efficiently and effectively manage excess attic heat and moisture.
Screenshots
Verdict
The clearest difference is rating: Roofing Ventilation Calculator at 3.0 against GAF Master Flow QuickConnect's 2.2. GAF Master Flow QuickConnect's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (11.0 vs 13.0). On price, review sentiment, ratings volume and ads 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.
Roofing Ventilation Calculator holds the better App Store score, 3.0 against 2.2. Both are backed by a comparable volume of ratings — 6 and 10 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
Roofing Ventilation Calculator ships an update every 3 months, GAF Master Flow QuickConnect every 3 weeks. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.
| Parameter | Roofing Ventilation Calculator | GAF Master Flow QuickConnect |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (6 ratings) — better | 2.2 (10 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 6 | 10 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 34 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Compagnie de Saint-Gobain | GAF Corp. |
Customer experience
Roofing Ventilation Calculator
GAF Master Flow QuickConnect
In-app purchases
Roofing Ventilation Calculator
No in-app purchases
GAF Master Flow QuickConnect
No in-app purchases
Questions
Is Roofing Ventilation Calculator free?
Is GAF Master Flow QuickConnect free?
Which has better reviews, Roofing Ventilation Calculator or GAF Master Flow QuickConnect?
Do Roofing Ventilation Calculator or GAF Master Flow QuickConnect have ads?
Which is updated more often, Roofing Ventilation Calculator or GAF Master Flow QuickConnect?
Other comparisons















