# Roofing Ventilation Calculator vs FieldPic Checklist

The clearest difference is rating: Roofing Ventilation Calculator at 3.0 against FieldPic Checklist's 1.0. Roofing Ventilation Calculator also leads on in-app purchases (none vs 3) and ratings volume (6 vs 1). FieldPic Checklist's advantage is update cadence (every 3 days vs every 3 months). On price and ads there is nothing between them.

Both are free to download. FieldPic Checklist sells 3 in-app purchases, starting at $4.99 per month. Roofing Ventilation Calculator asks for nothing beyond the download.

Roofing Ventilation Calculator holds the better App Store score, 3.0 against 1.0. That said, the two scores are not equally well evidenced: Roofing Ventilation Calculator has 6 ratings behind it against 1, so its average is the more settled of the two.

Roofing Ventilation Calculator ships an update every 3 months, FieldPic Checklist every 3 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Roofing Ventilation Calculator | FieldPic Checklist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (6 ratings)](https://appshunter.io/ios/app/roofing-ventilation-calculator/id1035643148/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/fieldpic-checklist/id6810993936/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 34 MB | 13 MB |
| Requires iOS | **13.0** | 27.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Saint-Gobain](https://appshunter.io/developer/543924473) | [BestForce](https://appshunter.io/developer/320944431) |

## 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


### FieldPic Checklist

[App page](https://appshunter.io/ios/app/fieldpic-checklist/id6810993936)

Streamline field work by creating photo checklists for inspections, surveys, and stocktakes. Capture images, add notes, and export organized data packages for analysis or client reports. Features AI-powered findings and offline functionality.

**Highlights:** Photo checklists for field work, CSV and ZIP data export, AI-generated findings, Offline functionality, Customizable checklists, Project duplication and sharing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FieldPic Pro Monthly | $4.99 | per month |
| FieldPic Pro Annual | $29.99 | per year |
| FieldPic Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Roofing Ventilation Calculator free?

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

### Is FieldPic Checklist free?

FieldPic Checklist is free to download, with in-app purchases available.

### Which has better reviews, Roofing Ventilation Calculator or FieldPic Checklist?

Roofing Ventilation Calculator is rated higher. Roofing Ventilation Calculator averages 3.0 out of 5 from 6 ratings, while FieldPic Checklist averages 1.0 from 1 ratings.

### Do Roofing Ventilation Calculator or FieldPic Checklist have ads?

Neither Roofing Ventilation Calculator nor FieldPic Checklist shows ads.

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

Roofing Ventilation Calculator ships an update every 3 months, and FieldPic Checklist every 3 days. Most recently, Roofing Ventilation Calculator was updated on November 2, 2026 and FieldPic Checklist on October 31, 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.*