Korvpressor vs QVox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Korvpressor
This app offers an adaptive compressor and limiter with a transparent, musical sound. It features a unique interface, a built-in 3-band EQ, and a maximizer with an optional brick wall limiter. It's suitable for various audio sources, from vocals to full mixes.
- Adaptive compression algorithm
- Transparent and musical sound
- Built-in 3-band EQ
- Dry/wet mix control
- Intuitive user interface
- Optional brick wall limiter
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Korvpressor is an adaptive compressor/limiter with an easy-to-use interface (a whole new take on how to tame a compressor). The compression algorithm is developed with transparency in mind, and this effect processor will sound great on almost all kinds of sounds; all from a vocal track to a full blown mix. In addition to the compression unit there are three knobs for controlling low, mid and high frequency levels. Noteworthy features: • Complex compression algorithm acclaimed for its transparency and musical sound. • Built-in 3 band EQ • Dry / wet mix • Intuitive and unique user interface • Enable/Disable lookahead time • Plenty of factory presets • Three state attack, ratio, release parameters. • Maximizer on / off switch • Built-in (optional) brick wall limiter (at 0dB) Check out the product webpage for a video demo and more info. Korvpressor works both as a standalone app and as an AUv3 plugin. Feedback or suggestions? Drop us a mail: support(at)klevgrand.se or @klevgrand on Twitter
QVox
This app transforms audio into four independent voices with pitch shifting and delay. Create harmonies, widen instruments, and design rhythmic sequences by controlling key, scale, and voice parameters in real-time.
- Four independent voices with pitch shifting and delay
- Selectable key and scale for harmonies
- Adjustable delay intervals and tempo sync
- Real-time parameter control with Ribbon controller
- Factory and user presets
- Mixlock for consistent auditioning
- AUv3 plugin and Standalone app
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QVox is a creative audio effect that transforms vocals, guitars, drums, and synths into four independent voices. Create beautiful harmonies, widen instruments and design groovy rhythmic sequences with diatonic pitch shifting and delay. You can choose the key, scale, and each voice’s pitch and delay interval, with the ability to alter any parameters in real-time using the Ribbon controller. Features: - Four independent voices (labeled as A, B, C, D) with diatonic pitch shifting and delay. - Select Key and Scale to create harmonies that coincide with your compositions or use the Learn button to set the key by the incoming note you play. - Group the four delays so that they are evenly spaced or spread out. - Sync the delays to tempo, or a value of your own choosing. - The Ribbon controller allows for dynamic modification of several knobs at once to easily morph between settings. - Factory presets help get you started or create your own User presets. - Mixlock helps when auditioning different presets by enabling a global Mix value that will remain constant for every subsequently loaded preset. - Available as an Audio Units AUv3 plug-in and Standalone App.
Screenshots
Verdict
The clearest difference is review sentiment: Korvpressor at 90% against QVox's 64%. Korvpressor also leads on rating (4.6 vs 4.3). QVox's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 13.0). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Korvpressor costs $14.99 and QVox $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Korvpressor holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 17 and 17 respectively. Written reviews point the same way: 90% of Korvpressor's written reviews are positive against 64% of QVox's.
Korvpressor ships an update every 9 months, QVox every 5 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Korvpressor | QVox |
|---|---|---|
| Price | $14.99 | $14.99 |
| Rating | 4.6 (17 ratings) — better | 4.3 (17 ratings) |
| Positive reviews | 90.5% of reviews — better | 63.6% of reviews |
| Number of ratings | 17 | 17 |
| Update frequency | Every 9 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Klevgrand Produkter AB | Eventide |
Customer experience
Korvpressor
QVox
In-app purchases
Korvpressor
No in-app purchases
QVox
No in-app purchases








