# KNOCK vs AudioScope

The clearest difference is rating: AudioScope at 4.7 against KNOCK's 3.9. AudioScope also leads on review sentiment (100% vs 58%) and update cadence (every 3 months vs every 39 months). KNOCK's advantage is in-app purchases (none vs 4) and price ($9.99 vs $14.99). On ratings volume, ads, monetization model and device support there is nothing between them.

KNOCK costs $9.99 and AudioScope $14.99 up front. AudioScope sells 4 one-off in-app purchases. KNOCK asks for nothing beyond the download.

AudioScope holds the better App Store score, 4.7 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 AudioScope's.

KNOCK ships an update every 39 months, AudioScope every 3 months. The most recent releases landed on October 19, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | KNOCK | AudioScope |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | [3.9 (21 ratings)](https://appshunter.io/ios/app/knock/id6443654114/reviews) | **[4.7 (9 ratings)](https://appshunter.io/ios/app/audioscope/id6447353824/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 3 months** |
| Monetization | Paid | Paid |
| Best chart rank | **#190** | — |
| Size | 9 MB | 27 MB |
| Requires iOS | **12.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Plugins That Knock](https://appshunter.io/developer/1648092173) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### KNOCK

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

**Currently charting:** #190 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


### AudioScope

[App page](https://appshunter.io/ios/app/audioscope/id6447353824)

This audio plugin offers a comprehensive suite of tools for mixing and mastering music. It allows users to compare their mixes to reference tracks, visualize frequency responses, and control their entire mix from a single interface. Advanced features include snapshot morphing, track grouping, and built-in EQ and compression.

**Highlights:** Multi-channel live mixer, Reference track comparison, Frequency response visualization, Snapshot morphing, Track grouping, Built-in EQ and compression, MIDI control

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |
| Huge Tip | $9.99 | one-time |


## Frequently asked questions

### Is KNOCK free?

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

### Is AudioScope free?

AudioScope costs $14.99, and also offers in-app purchases.

### Which has better reviews, KNOCK or AudioScope?

AudioScope is rated higher. KNOCK averages 3.9 out of 5 from 21 ratings, while AudioScope averages 4.7 from 9 ratings.

### Do KNOCK or AudioScope have ads?

Neither KNOCK nor AudioScope shows ads.

### Which is updated more often, KNOCK or AudioScope?

KNOCK ships an update every 39 months, and AudioScope every 3 months. Most recently, KNOCK was updated on October 19, 2026 and AudioScope on October 20, 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.*