# GAF QuickMeasure vs GutterFlowApp

The clearest difference is in-app purchases: GAF QuickMeasure at none against GutterFlowApp's 3. GAF QuickMeasure also leads on ratings volume (997 vs 1). GutterFlowApp's advantage is update cadence (every 4 days vs monthly). On price, rating, ads and device support there is nothing between them.

Both are free to download. GutterFlowApp sells 3 in-app purchases, starting at $29.99 per 7 days. GAF QuickMeasure asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for GAF QuickMeasure against 5.0 for GutterFlowApp. That said, the two scores are not equally well evidenced: GAF QuickMeasure has 997 ratings behind it against 1, so its average is the more settled of the two.

GAF QuickMeasure ships an update monthly, GutterFlowApp every 4 days. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | GAF QuickMeasure | GutterFlowApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (997 ratings)](https://appshunter.io/ios/app/gaf-quickmeasure/id6446208816/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gutterflowapp/id6767987487/reviews)** |
| Number of ratings | **997** | 1 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | **Paid** | Subscription |
| Size | 5 MB | 37 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GAF Corp.](https://appshunter.io/developer/480463171) | [ANTON NEKRASH](https://appshunter.io/developer/1896527735) |

## What reviewers say

### GAF QuickMeasure

[App page](https://appshunter.io/ios/app/gaf-quickmeasure/id6446208816)

Generate comprehensive roof measurement reports quickly and accurately. Ideal for single-family homes with reports in under an hour, and commercial/multifamily properties within 24 hours. Reports include detailed measurements of roof area, pitch, and various components.

**Highlights:** Fast roof reports, Accurate measurements, Roof area calculation, Pitch and component details, Under 1-hour turnaround (single-family)

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and accurate measurement reports
- 💰 Competitive pricing compared to competitors
- 👍 User-friendly and intuitive interface
- 📱 Convenient mobile access to orders and reports
- 🔔 Helpful push notifications for report readiness

**What reviewers complain about**

- 🐛 Authentication issues with message codes not sending or expiring
- 🐛 Error messages when accessing order lists
- 🐛 App crashes and boots users out unexpectedly
- 📱 Poor responsive design on iPad and iPhone
- 🔒 Lack of transparency about data privacy and third-party sharing

**Reported bugs**

- Message code authentication not sending or timing out
- Order list error - 'orders not found' message causing app crashes
- App does not properly adjust layout for iPad and iPhone orientations
- App boots users out when encountering errors

**Requested features**

- Improved responsive design for tablets and mobile devices
- Better orientation handling for iPad and iPhone use
- Clearer disclosure of pricing and data collection policies during registration


### GutterFlowApp

[App page](https://appshunter.io/ios/app/gutterflowapp/id6767987487)

Streamline gutter installation operations with this comprehensive business management tool. Quickly generate estimates, manage team schedules, and track revenue. Designed for field crews, it offers offline functionality and robust data security.

**Highlights:** Automated estimate generation, Team scheduling and assignment, Client database with call history, Real-time revenue dashboard, Offline estimate functionality, Secure multi-tenant data storage

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $29.99 | per 7 days |
| Monthly | $79.99 | per month |
| Yearly | $799.99 | per year |


## Frequently asked questions

### Is GAF QuickMeasure free?

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

### Is GutterFlowApp free?

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

### Which has better reviews, GAF QuickMeasure or GutterFlowApp?

GutterFlowApp is rated higher. GAF QuickMeasure averages 4.9 out of 5 from 997 ratings, while GutterFlowApp averages 5.0 from 1 ratings.

### Do GAF QuickMeasure or GutterFlowApp have ads?

Neither GAF QuickMeasure nor GutterFlowApp shows ads.

### Which is updated more often, GAF QuickMeasure or GutterFlowApp?

GAF QuickMeasure ships an update monthly, and GutterFlowApp every 4 days. Most recently, GAF QuickMeasure was updated on September 26, 2026 and GutterFlowApp on September 18, 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.*