# Roofing Ventilation Calculator vs Contractors Cloud

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.

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.

## The numbers

| Metric | Roofing Ventilation Calculator | Contractors Cloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (6 ratings)](https://appshunter.io/ios/app/roofing-ventilation-calculator/id1035643148/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/contractors-cloud/id6467678873/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | **Free** | Subscription |
| Size | 34 MB | 46 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Compagnie de Saint-Gobain](https://appshunter.io/developer/543924473) | [Site Armor, Inc.](https://appshunter.io/developer/1708991269) |

## What reviewers say

### Roofing Ventilation Calculator

[App page](https://appshunter.io/ios/app/roofing-ventilation-calculator/id1035643148)

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:** macOS Compatibility

**In-app purchases:** none


### Contractors Cloud

[App page](https://appshunter.io/ios/app/contractors-cloud/id6467678873)

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.

**Highlights:** Lead and sales tracking, Job financials and profit/loss, Production scheduling, Expense tracking, Job communication, Full reporting, Offline sync

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Roofing Ventilation Calculator free?

Roofing Ventilation Calculator is free to download, with no in-app purchases.

### Is Contractors Cloud free?

Contractors Cloud is free to download, with no in-app purchases.

### Which has better reviews, Roofing Ventilation Calculator or Contractors Cloud?

Contractors Cloud is rated higher. Roofing Ventilation Calculator averages 3.0 out of 5 from 6 ratings, while Contractors Cloud averages 5.0 from 3 ratings.

### Do Roofing Ventilation Calculator or Contractors Cloud have ads?

Neither Roofing Ventilation Calculator nor Contractors Cloud shows ads.

### Which is updated more often, Roofing Ventilation Calculator or Contractors Cloud?

Roofing Ventilation Calculator ships an update every 3 months, and Contractors Cloud every 6 weeks. Most recently, Roofing Ventilation Calculator was updated on June 19, 2026 and Contractors Cloud on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*