# Drum Surgeon AUv3 Plugin vs KNOCK

The clearest difference is rating: Drum Surgeon AUv3 Plugin at 4.6 against KNOCK's 4.0. Drum Surgeon AUv3 Plugin also leads on review sentiment (80% vs 58%). On price, ratings volume, update cadence and ads there is nothing between them.

Drum Surgeon AUv3 Plugin costs $9.99 and KNOCK $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Drum Surgeon AUv3 Plugin holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 11 and 22 respectively. Written reviews point the same way: 80% of Drum Surgeon AUv3 Plugin's written reviews are positive against 58% of KNOCK's.

Drum Surgeon AUv3 Plugin ships an update every 29 months, KNOCK every 39 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Drum Surgeon AUv3 Plugin | KNOCK |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/drum-surgeon-auv3-plugin/id1539908432/reviews)** | [4.0 (22 ratings)](https://appshunter.io/ios/app/knock/id6443654114/reviews) |
| Number of ratings | 11 | **22** |
| Positive reviews | **80.0% of reviews** | 57.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 29 months** | Every 39 months |
| Monetization | Paid | Paid |
| Size | 5 MB | 9 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Plugins That Knock](https://appshunter.io/developer/1648092173) |

## What reviewers say

### Drum Surgeon AUv3 Plugin

[App page](https://appshunter.io/ios/app/drum-surgeon-auv3-plugin/id1539908432)

This audio plugin is a dynamics and transient processor for fine-tuning drum sounds within DAWs. It allows users to shape and boost drum kits for better punch and clarity without clipping, offering features like saturation, EQ, and filtering.

**Highlights:** Dynamics and transient processing, Saturation control, 8-band graphic EQ, LP/HP filtering, Attack & Hold controls, Intensity control up to 200%, Limiter/clipper

**In-app purchases:** none


### KNOCK

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

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


## Frequently asked questions

### Is Drum Surgeon AUv3 Plugin free?

Drum Surgeon AUv3 Plugin costs $9.99, with no in-app purchases.

### Is KNOCK free?

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

### Which has better reviews, Drum Surgeon AUv3 Plugin or KNOCK?

Drum Surgeon AUv3 Plugin is rated higher. Drum Surgeon AUv3 Plugin averages 4.6 out of 5 from 11 ratings, while KNOCK averages 4.0 from 22 ratings.

### Do Drum Surgeon AUv3 Plugin or KNOCK have ads?

Neither Drum Surgeon AUv3 Plugin nor KNOCK shows ads.

### Which is updated more often, Drum Surgeon AUv3 Plugin or KNOCK?

Drum Surgeon AUv3 Plugin ships an update every 29 months, and KNOCK every 39 months. Most recently, Drum Surgeon AUv3 Plugin was updated on October 24, 2026 and KNOCK on October 25, 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.*