# KnocKnow vs Instant Roofer

The clearest difference is in-app purchases: Instant Roofer at none against KnocKnow's 2. Instant Roofer also leads on ads (none vs shown) and ratings volume (44 vs 3). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. KnocKnow sells 2 in-app purchases, starting at $99.99 per month. Instant Roofer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for KnocKnow against 5.0 for Instant Roofer. That said, the two scores are not equally well evidenced: Instant Roofer has 44 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

KnocKnow ships an update every 3 weeks, Instant Roofer every 10 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KnocKnow | Instant Roofer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/knocknow/id6748841288/reviews)** | [5.0 (44 ratings)](https://appshunter.io/ios/app/instant-roofer/id6760311210/reviews) |
| Number of ratings | 3 | **44** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 44 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KnocKnow LLC](https://appshunter.io/developer/1827621168) | [Jacob Petrosky](https://appshunter.io/developer/1883780256) |

## What reviewers say

### KnocKnow

[App page](https://appshunter.io/ios/app/knocknow/id6748841288)

This app analyzes property data to identify high-conversion doors for door-to-door sales. It helps users find the best areas to work by applying filters for property type, age, and ownership. Maximize your sales efforts by focusing on the most promising leads.

**Highlights:** Property data analysis, ZIP code and address search, Customizable property filters, Map-based zone highlighting, D2D sales route optimization, Data-backed sales decisions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KnocKnow | $99.99 | per month |
| KnocKnow | $899.00 | per year |


### Instant Roofer

[App page](https://appshunter.io/ios/app/instant-roofer/id6760311210)

Instantly measure roofs using AI and aerial imagery for accurate bids. Generate 3D models and detailed reports on-site to close deals faster. Streamline your workflow and spend less time measuring, more time selling.

**Highlights:** AI roof measurements from aerial imagery, Interactive 3D roof views, Detailed roof measurements (pitch, waste, height), On-site pitch capture, Polished PDF reports, Offline uploads and syncing

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

**In-app purchases:** none


## Frequently asked questions

### Is KnocKnow free?

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

### Is Instant Roofer free?

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

### Which has better reviews, KnocKnow or Instant Roofer?

KnocKnow is rated higher. KnocKnow averages 5.0 out of 5 from 3 ratings, while Instant Roofer averages 5.0 from 44 ratings.

### Do KnocKnow or Instant Roofer have ads?

KnocKnow shows ads; Instant Roofer does not.

### Which is updated more often, KnocKnow or Instant Roofer?

KnocKnow ships an update every 3 weeks, and Instant Roofer every 10 days. Most recently, KnocKnow was updated on October 18, 2026 and Instant Roofer on October 24, 2026.

---

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