# RedNova vs VAPolyMk4

The clearest difference is price: RedNova at $9.99 against VAPolyMk4's $14.99. RedNova also leads on update cadence (every 4 weeks vs every 2 months) and iOS requirement (12.0 vs 16.6). On rating, ratings volume, ads and in-app purchases there is nothing between them.

RedNova costs $9.99 and VAPolyMk4 $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for RedNova against 5.0 for VAPolyMk4. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

RedNova ships an update every 4 weeks, VAPolyMk4 every 2 months. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | RedNova | VAPolyMk4 |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rednova-spatial-compressor/id6749191303/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/vapolymk4/id6753038075/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 17 MB | 20 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Simon Alexander](https://appshunter.io/developer/1789202493) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### RedNova

[App page](https://appshunter.io/ios/app/rednova-spatial-compressor/id6749191303)

This audio plugin offers intelligent compression and spatial positioning for professional sound design. It adapts to your audio, allowing you to control dynamics and place sounds forward for presence or back for warmth. Transform recordings into spatially positioned compositions with intuitive controls.

**Highlights:** Intelligent adaptive compression, VCA compressor with analog saturation, Forward/back spatial positioning, Visual position orb feedback, Advanced sidechain control, AUv3 plugin format

**Features:** Vision Pro support

**In-app purchases:** none


### VAPolyMk4

[App page](https://appshunter.io/ios/app/vapolymk4/id6753038075)

This app is a powerful bi-timbral polyphonic synthesizer with advanced features like output morphing and a ring modulator. It offers extensive sound design capabilities with multiple oscillators, filters, and envelopes, and can be used standalone or as an AudioUnit Extension.

**Highlights:** Bi-timbral polyphonic synthesis, Output morphing and ring modulator, Multiple oscillators, filters, and envelopes, Standalone and AudioUnit Extension (AUv3) support, Built-in effects and piano roll sequencer, MIDI 2.0 and Ableton Link support, iCloud Drive for project sharing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RedNova free?

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

### Is VAPolyMk4 free?

VAPolyMk4 costs $14.99, with no in-app purchases.

### Which has better reviews, RedNova or VAPolyMk4?

RedNova and VAPolyMk4 are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do RedNova or VAPolyMk4 have ads?

Neither RedNova nor VAPolyMk4 shows ads.

### Which is updated more often, RedNova or VAPolyMk4?

RedNova ships an update every 4 weeks, and VAPolyMk4 every 2 months. Most recently, RedNova was updated on September 17, 2026 and VAPolyMk4 on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*