# Harmonitron vs Bass 3500 Amplifier

The clearest difference is price: Harmonitron at $2.99 against Bass 3500 Amplifier's $19.99. Bass 3500 Amplifier's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Harmonitron costs $2.99 and Bass 3500 Amplifier $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Harmonitron | Bass 3500 Amplifier |
| --- | --- | --- |
| Price | **$2.99** | $19.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/harmonitron/id6790326853/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Paid | — |
| Size | 3 MB | 58 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Konstantin Torsten Schutz](https://appshunter.io/developer/6778600016) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## What reviewers say

### 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


### Bass 3500 Amplifier

[App page](https://appshunter.io/ios/app/bass-3500-amplifier/id6790799229)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Harmonitron free?

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

### Is Bass 3500 Amplifier free?

Bass 3500 Amplifier costs $19.99, with no in-app purchases.

### Do Harmonitron or Bass 3500 Amplifier have ads?

Neither Harmonitron nor Bass 3500 Amplifier 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.*