# EvilTwin vs Harmonitron

The clearest difference is device support: EvilTwin at 4 against Harmonitron's 2. EvilTwin also leads on iOS requirement (12.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

EvilTwin costs $2.99 and Harmonitron $2.99 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 EvilTwin against 5.0 for Harmonitron. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

## The numbers

| Metric | EvilTwin | Harmonitron |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/eviltwin/id6777857701/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/harmonitron/id6790326853/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Paid | Paid |
| Size | 17 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Phillips](https://appshunter.io/developer/6777857703) | [Konstantin Torsten Schutz](https://appshunter.io/developer/6778600016) |

## What reviewers say

### EvilTwin

[App page](https://appshunter.io/ios/app/eviltwin/id6777857701)

This audio effect plugin adds width, motion, and unique character to your sound. It offers creative stereo enhancement and dynamic spatial animation, suitable for subtle polish or dramatic transformations. Designed for musicians and sound designers, it encourages sonic exploration with a focused interface.

**Highlights:** Creative stereo enhancement and widening, Dynamic movement and spatial animation, Subtle-to-extreme sound shaping, Performance-focused interface, AUv3 support for iPad and Mac, Works with popular music hosts

**Features:** Vision Pro support

**In-app purchases:** none


### Harmonitron

[App page](https://appshunter.io/ios/app/harmonitron/id6790326853)

This app creates a rich, swirling harmonic tremolo effect, distinct from standard volume pulsing. It splits sound into low and high bands, modulating them in opposite phases for a lush, phaser-like character. Apply it to various instruments or full mixes as a standalone app or AUv3 effect.

**Highlights:** True harmonic tremolo with anti-phase modulation, Voice control for morphing between classic and harmonic tremolo, Split & Tilt for band crossover and balance, Tube Drive and tone shaping, Adjustable Rate and LFO Shapes, Tempo Sync with musical note divisions, Stereo Spread for auto-pan and width

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EvilTwin free?

EvilTwin costs $2.99, with no in-app purchases.

### Is Harmonitron free?

Harmonitron costs $2.99, with no in-app purchases.

### Which has better reviews, EvilTwin or Harmonitron?

EvilTwin and Harmonitron are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do EvilTwin or Harmonitron have ads?

Neither EvilTwin nor Harmonitron shows ads.

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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.*