Roofing Ventilation Calculator vs Contractors Cloud
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
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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.
Contractors Cloud
Manage all aspects of your business and projects, from lead generation to project completion. Track leads, jobs, finances, schedules, expenses, and communications. Access comprehensive reporting tools to help your business grow.
- Lead and sales tracking
- Job financials and profit/loss
- Production scheduling
- Expense tracking
- Job communication
- Full reporting
- Offline sync
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With Contractors Cloud, you can manage every aspect of your business and projects. From a lead to a completed project, Contractors Cloud guides you every step of the way. Lead and sales tracking, job financials, production scheduling, expense tracking, profit & loss, job communication, and full reporting of it all are are tools provided for you to grow your business. With the Contractors Cloud mobile app you'll be able to: - Create new projects and gain visibility on all existing project - Review project details such as notes, tasks, contracts, orders, appointments, files/photos and much more - Add to existing projects: notes, tasks, photos, files, jet streams, and contacts - Manage all your jet stream communications - Set and complete open tasks - Call and email customers - Get directions to appointments - Sync information to Contractors Cloud (even when offline!) - Gain full access to the web version in one click Download the free app now and access your Contractors Cloud account from anywhere with ease. *Subscription Required
Screenshots
Verdict
The clearest difference is review sentiment: Contractors Cloud at 100% against Roofing Ventilation Calculator's 0%. Contractors Cloud also leads on rating (5.0 vs 3.0) and update cadence (every 6 weeks vs every 3 months). Roofing Ventilation Calculator's advantage is monetization model (free vs subscription) and iOS requirement (13.0 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.
Contractors Cloud holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews point the same way: 0% of Roofing Ventilation Calculator's written reviews are positive against 100% of Contractors Cloud's.
Roofing Ventilation Calculator ships an update every 3 months, Contractors Cloud every 6 weeks. The most recent releases landed on June 19, 2026 and September 9, 2026 respectively.
| Parameter | Roofing Ventilation Calculator | Contractors Cloud |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (6 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | 3 |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 34 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Compagnie de Saint-Gobain | Site Armor, Inc. |
Customer experience
Roofing Ventilation Calculator
Contractors Cloud
In-app purchases
Roofing Ventilation Calculator
No in-app purchases
Contractors Cloud
No in-app purchases
Questions
Is Roofing Ventilation Calculator free?
Is Contractors Cloud free?
Which has better reviews, Roofing Ventilation Calculator or Contractors Cloud?
Do Roofing Ventilation Calculator or Contractors Cloud have ads?
Which is updated more often, Roofing Ventilation Calculator or Contractors Cloud?
Other comparisons
