# KNOCK vs FAC Clipper

The clearest difference is rating: FAC Clipper at 5.0 against KNOCK's 3.9. FAC Clipper also leads on review sentiment (100% vs 58%) and update cadence (every 2 months vs every 39 months). KNOCK's advantage is in-app purchases (none vs 3) and chart position (#179 vs unranked). On price, ratings volume, ads and monetization model there is nothing between them.

KNOCK costs $9.99 and FAC Clipper $9.99 up front. FAC Clipper sells 3 one-off in-app purchases. KNOCK asks for nothing beyond the download.

FAC Clipper holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 21 and 9 respectively. Written reviews point the same way: 58% of KNOCK's written reviews are positive against 100% of FAC Clipper's.

KNOCK ships an update every 39 months, FAC Clipper every 2 months. The most recent releases landed on September 28, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | KNOCK | FAC Clipper |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | [3.9 (21 ratings)](https://appshunter.io/ios/app/knock/id6443654114/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/fac-clipper/id6742354555/reviews)** |
| Number of ratings | **21** | 9 |
| Positive reviews | 57.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Best chart rank | **#179** | — |
| Size | 9 MB | 3 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Plugins That Knock](https://appshunter.io/developer/1648092173) | [Frederic Corvest](https://appshunter.io/developer/1230164765) |

## What reviewers say

### KNOCK

[App page](https://appshunter.io/ios/app/knock/id6443654114)

**Currently charting:** #179 Top Paid · Music (US App Store)

Enhance your drum sounds with this audio plugin designed for professional mixing. It helps drums cut through the mix with a powerful, impactful sound. Optimized for ease of use, it suits both new and experienced music producers.

**Highlights:** Slap and punch through mixes, Signature drum sound, Extreme ease of use, Seamless workflow integration, Crafted by platinum producer

**Features:** Vision Pro support

**In-app purchases:** none


### FAC Clipper

[App page](https://appshunter.io/ios/app/fac-clipper/id6742354555)

This audio plugin enhances mix loudness and adds harmonic warmth with flexible full-band and two-band clipping. It offers precise visual metering, adjustable knee curves, and a dry/wet mix for balanced sound. Designed for quick, intuitive peak control on iOS, macOS, and Vision Pro.

**Highlights:** Enhances mix loudness, Adds harmonic warmth, Full-band and two-band clipping, Precise visual metering, Adjustable knee curve, Dry/wet mix control, Low latency

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $14.99 | one-time |


## Frequently asked questions

### Is KNOCK free?

KNOCK costs $9.99, with no in-app purchases.

### Is FAC Clipper free?

FAC Clipper costs $9.99, and also offers in-app purchases.

### Which has better reviews, KNOCK or FAC Clipper?

FAC Clipper is rated higher. KNOCK averages 3.9 out of 5 from 21 ratings, while FAC Clipper averages 5.0 from 9 ratings.

### Do KNOCK or FAC Clipper have ads?

Neither KNOCK nor FAC Clipper shows ads.

### Which is updated more often, KNOCK or FAC Clipper?

KNOCK ships an update every 39 months, and FAC Clipper every 2 months. Most recently, KNOCK was updated on September 28, 2026 and FAC Clipper on September 21, 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.*