# Roofing Ventilation Calculator vs KaizenLoop

The clearest difference is review sentiment: KaizenLoop at 100% against Roofing Ventilation Calculator's 0%. KaizenLoop also leads on rating (5.0 vs 3.0) and update cadence (every 9 days vs every 3 months). Roofing Ventilation Calculator's advantage is 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.

KaizenLoop holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 6 and 10 respectively. Written reviews point the same way: 0% of Roofing Ventilation Calculator's written reviews are positive against 100% of KaizenLoop's.

Roofing Ventilation Calculator ships an update every 3 months, KaizenLoop every 9 days. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Roofing Ventilation Calculator | KaizenLoop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (6 ratings)](https://appshunter.io/ios/app/roofing-ventilation-calculator/id1035643148/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/kaizenloop/id1406675868/reviews)** |
| Number of ratings | 6 | **10** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 34 MB | 36 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) | [Kaizen Loop LLC](https://appshunter.io/developer/1406675867) |

## 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


### KaizenLoop

[App page](https://appshunter.io/ios/app/kaizenloop/id1406675868)

Deploy content and track engagement within your enterprise. Craft targeted campaigns and monitor their progress and adoption through intuitive dashboards.

**Highlights:** Content deployment, Engagement tracking, Audience targeting, Campaign monitoring, Adoption dashboards

**Features:** macOS Compatibility, 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 KaizenLoop free?

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

### Which has better reviews, Roofing Ventilation Calculator or KaizenLoop?

KaizenLoop is rated higher. Roofing Ventilation Calculator averages 3.0 out of 5 from 6 ratings, while KaizenLoop averages 5.0 from 10 ratings.

### Do Roofing Ventilation Calculator or KaizenLoop have ads?

Neither Roofing Ventilation Calculator nor KaizenLoop shows ads.

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

Roofing Ventilation Calculator ships an update every 3 months, and KaizenLoop every 9 days. Most recently, Roofing Ventilation Calculator was updated on October 3, 2026 and KaizenLoop on September 30, 2026.

---

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