Comparison

Atlas Docs vs Roofing Ventilation Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Atlas Docs

Access building product marketing and technical materials, including manuals, images, and brochures. Stay updated with the latest information on shingles, underlayments, and ventilation from a leading roofing manufacturer.

Highlights
  • Product brochures and data sheets
  • Technical bulletins and evaluation reports
  • Images and video resources
  • Spanish and French-Canadian translations
  • Live search across product categories
  • Cloud-based, up-to-date content
  • Access to online calculators and marketing assets
Features
Read full description

Atlas Docs™, based on WikiSTIK™ Mobile technology, provides building professionals with fast access to Atlas product marketing and technical materials, manuals, images, brochures, and web resources. If you're an architect, specifier, contractor, dealer, distributor or anyone who needs quick access to Atlas Roofing's commercial or residential building product information, Atlas Docs™ will help you stay up-to-date. Comprehensive in scope, you'll find detailed product information for Atlas Roofing's Shingles, Underlayments, & Ventilation product lines. Atlas Docs™ users enjoy fast access to comprehensive and always-up-to-date Atlas Roofing product literature, as well as convenient links to other Atlas web-based technologies and tools. Here's what you get: • Hands down the fastest way to view and download Atlas product literature including: - Product Brochures - Data Sheets - Specifications - Technical Bulletins - Evaluation Reports - Images & Video - Spanish and French-Canadian Translations - and more! • Live-search documents across product categories. • Cloud based content ensures files are always up to date. • Pull-to-refresh feature to check for new documents, document categories or product categories in real-time. • Convenient access to other Atlas online tools and resources: - HP42® Savings Calculator - Ventilation Calculator - Marketing Assets - View and share Atlas logos and high-res imagery for use in marketing materials.

About

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.

Highlights
  • Attic dimension input
  • Square footage input
  • NFA 1/300 rule calculation
  • Ventilation product quantity determination
  • Balanced ventilation planning
Features
Read 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.

Screenshots

Atlas Docs3 screens
Roofing Ventilation Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: Atlas Docs at 100% against Roofing Ventilation Calculator's 0%. Atlas Docs also leads on rating (4.2 vs 3.0). Roofing Ventilation Calculator's advantage is update cadence (every 3 months vs every 14 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Atlas Docs holds the better App Store score, 4.2 against 3.0. Both are backed by a comparable volume of ratings — 5 and 6 respectively. Written reviews point the same way: 100% of Atlas Docs's written reviews are positive against 0% of Roofing Ventilation Calculator's.

UpkeepUpdate frequency

Atlas Docs ships an update every 14 months, Roofing Ventilation Calculator every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 7 level
Atlas Docs versus Roofing Ventilation Calculator: the parameters behind the verdict, then further details
ParameterAtlas DocsRoofing Ventilation Calculator
PriceFreeFree
Rating4.2 (5 ratings) — better3.0 (6 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings56 — better
Update frequencyEvery 14 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size9 MB34 MB
Age rating4+4+
DeveloperAtlas Roofing CorporationSaint-Gobain

Customer experience

Atlas Docs

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Roofing Ventilation Calculator

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Atlas Docs

No in-app purchases

None

Roofing Ventilation Calculator

No in-app purchases

Questions

Is Atlas Docs free?
Atlas Docs is free to download, with no in-app purchases.
Is Roofing Ventilation Calculator free?
Roofing Ventilation Calculator is free to download, with no in-app purchases.
Which has better reviews, Atlas Docs or Roofing Ventilation Calculator?
Atlas Docs is rated higher. Atlas Docs averages 4.2 out of 5 from 5 ratings, while Roofing Ventilation Calculator averages 3.0 from 6 ratings.
Do Atlas Docs or Roofing Ventilation Calculator have ads?
Neither Atlas Docs nor Roofing Ventilation Calculator shows ads.
Which is updated more often, Atlas Docs or Roofing Ventilation Calculator?
Atlas Docs ships an update every 14 months, and Roofing Ventilation Calculator every 3 months. Most recently, Atlas Docs was updated on November 1, 2026 and Roofing Ventilation Calculator on November 2, 2026.

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