Roofing Ventilation Calculator vs OneClick Code
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.
OneClick Code
Instantly access accurate roofing building code information for any US address. Stay updated with real-time changes, avoid costly errors, and streamline your workflow. Perfect for contractors, adjusters, and estimators to improve efficiency and win more projects.
- Instant roofing code access by address
- Real-time code updates
- Jurisdiction-specific data
- Ice and Water Shield calculator
- Shingle Waste calculator
- Roof Ventilation calculator
- Shareable reports
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Tired of Wasting Time Searching for Building Codes? OneClick Code is your one-stop shop for instant, accurate roofing building code information, saving you hours and minimizing costly errors. Get real-time updates on over 5,500 code changes annually, ensuring you always have the latest requirements at your fingertips. Stop Guessing, Start Winning: * Access roofing building codes for any address in the US in seconds. * Avoid costly mistakes caused by outdated or inaccurate code applications. * Free up valuable time for more critical tasks. * Verify code requirements quickly and get estimates approved on the spot. * Share OneClick Code Reports with your team and adjusters immediately. * Integrate OneClick Code seamlessly into your workflow. OneClick Code Reports are Perfect For: * Roofing Contractors: Deliver precise estimates and get paid faster by leveraging the single source of truth. * Insurance Adjusters: Process claims correctly by ensuring code compliance on every job. * Estimators: Generate accurate estimates with the backing of credible roofing building code data across jurisdictions. Download OneClick Code Today and Experience the Difference: * Real-time code updates. * Jurisdiction-specific data. * Streamlined workflow. * Single source of truth and accurate data. * Ice and Water Shield, Shingle Waste, and Roof Ventilation Calculators. OneClick Code Reports are your key to boosting efficiency, staying compliant, and winning more roofing projects. Download today! Questions? Get in touch at code@oneclickcode.com
Screenshots
Verdict
The clearest difference is review sentiment: OneClick Code at 83% against Roofing Ventilation Calculator's 0%. OneClick Code also leads on rating (4.8 vs 3.0) and update cadence (fortnightly vs every 3 months). Roofing Ventilation Calculator's advantage is in-app purchases (none vs 10) and iOS requirement (13.0 vs 15.1). On price, ads and device support 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. OneClick Code sells 10 in-app purchases, starting at $31.99 per month. Roofing Ventilation Calculator asks for nothing beyond the download.
OneClick Code holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: OneClick Code has 182 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 0% of Roofing Ventilation Calculator's written reviews are positive against 83% of OneClick Code's.
Roofing Ventilation Calculator ships an update every 3 months, OneClick Code fortnightly. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.
| Parameter | Roofing Ventilation Calculator | OneClick Code |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (6 ratings) | 4.8 (182 ratings) — better |
| Positive reviews | 0.0% of reviews | 83.3% of reviews — better |
| Number of ratings | 6 | 182 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 34 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | Compagnie de Saint-Gobain | One Click Reports |
Customer experience
Roofing Ventilation Calculator
OneClick Code
In-app purchases
Roofing Ventilation Calculator
No in-app purchases
OneClick Code
- Pro - Monthly$31.991 Month
- Pro$59.001 Month
- Essential$59.001 Month
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- Premium (2023)$139.001 Month
- Premium (2024)$139.001 Month
- Pro - Annual$284.991 Year
- Project Quick View$2.00
- Single Project$2.99
- Code Detail$10.00
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- Single Project$11.99
Questions
Is Roofing Ventilation Calculator free?
Is OneClick Code free?
Which has better reviews, Roofing Ventilation Calculator or OneClick Code?
Do Roofing Ventilation Calculator or OneClick Code have ads?
Which is updated more often, Roofing Ventilation Calculator or OneClick Code?
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