# Site Audit Pro vs Knock CRM

The clearest difference is price: Knock CRM at Free against Site Audit Pro's $12.90. Knock CRM also leads on in-app purchases (none vs 2). Site Audit Pro's advantage is rating (4.8 vs 3.2) and review sentiment (76% vs 36%). On ads, device support and iOS requirement there is nothing between them.

Knock CRM is free to download; Site Audit Pro costs $12.90 up front. Site Audit Pro sells 2 in-app purchases, starting at $7.49 per month. Knock CRM asks for nothing beyond the download.

Site Audit Pro holds the better App Store score, 4.8 against 3.2. That said, the two scores are not equally well evidenced: Site Audit Pro has 11K ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 76% of Site Audit Pro's written reviews are positive against 36% of Knock CRM's.

Site Audit Pro ships an update every 2 weeks, Knock CRM monthly. The most recent releases landed on September 26, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Site Audit Pro | Knock CRM |
| --- | --- | --- |
| Price | $12.90 | **Free** |
| Rating | **[4.8 (11K ratings)](https://appshunter.io/ios/app/site-audit-pro/id430234732/reviews)** | [3.2 (27 ratings)](https://appshunter.io/ios/app/knock-crm/id1439104813/reviews) |
| Number of ratings | **11K** | 27 |
| Positive reviews | **76.1% of reviews** | 36.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#12** | — |
| Size | 77 MB | 90 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Veam Studios Ltd](https://appshunter.io/developer/410336935) | [Knock, Incorporated](https://appshunter.io/developer/984549489) |

## What reviewers say

### Site Audit Pro

[App page](https://appshunter.io/ios/app/site-audit-pro/id430234732)

**Currently charting:** #12 Top Paid · Productivity (US App Store)

Streamline audits and inspections with this app. Document issues with photos, add annotations, and organize findings into projects. Generate professional, customized reports on the go.

**Highlights:** Record and document issues, Annotate images directly, Organize issues into projects, Add timestamps and GPS to images, Share professional PDF/CSV reports, Customize report content and design

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.49 | per month |
| Yearly | $64.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Generates professional-looking reports
- 💡 Customizable templates
- 👍 Streamlines workflow
- 👍 Convenient for field work

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🐛 Issues with photo uploads or syncing
- 🔒 Limited sharing/collaboration options
- 💡 Inability to add multiple photos per issue
- 💡 Lack of advanced formatting/editing options

**Reported bugs**

- Inconsistent photo quality in reports
- Issues with emailing reports from the app
- Problems with syncing between mobile and desktop
- Unexpected app crashes or freezes

**Requested features**

- Ability to add multiple photos per issue
- Option to import/attach PDF files or floor plans
- Improved collaboration features (shared projects, status tracking)
- More customization options for report layout and formatting
- Automatic renumbering of issues when reordering


### Knock CRM

[App page](https://appshunter.io/ios/app/knock-crm/id1439104813)

Manage leads and client interactions efficiently from your mobile device. This app allows leasing teams to message prospects, track engagement, and send quotes on the go. Stay connected to your work from anywhere, ensuring no opportunity is missed.

**Highlights:** Message prospects, Check live engagement scores, Greet walk-ins, Send quotes, Review appointment calendar, Connects with desktop app

**In-app purchases:** none


## Frequently asked questions

### Is Site Audit Pro free?

Site Audit Pro costs $12.90, and also offers in-app purchases.

### Is Knock CRM free?

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

### Which has better reviews, Site Audit Pro or Knock CRM?

Site Audit Pro is rated higher. Site Audit Pro averages 4.8 out of 5 from 11K ratings, while Knock CRM averages 3.2 from 27 ratings.

### Do Site Audit Pro or Knock CRM have ads?

Neither Site Audit Pro nor Knock CRM shows ads.

### Which is updated more often, Site Audit Pro or Knock CRM?

Site Audit Pro ships an update every 2 weeks, and Knock CRM monthly. Most recently, Site Audit Pro was updated on September 26, 2026 and Knock CRM on August 12, 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.*