# Harmonix vs AddStation

The clearest difference is rating: Harmonix at 5.0 against AddStation's 4.5. Harmonix also leads on review sentiment (100% vs 82%). AddStation's advantage is price ($8.99 vs $14.99) and ratings volume (42 vs 5). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Harmonix costs $14.99 and AddStation $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Harmonix holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: AddStation has 42 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Harmonix's written reviews are positive against 82% of AddStation's.

Harmonix ships an update every 2 weeks, AddStation weekly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Harmonix | AddStation |
| --- | --- | --- |
| Price | $14.99 | **$8.99** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/harmonix/id1444665934/reviews)** | [4.5 (42 ratings)](https://appshunter.io/ios/app/addstation/id1500919657/reviews) |
| Number of ratings | 5 | **42** |
| Positive reviews | **100.0% of reviews** | 82.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Paid | Paid |
| Size | 13 MB | 133 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marcos Kohler](https://appshunter.io/developer/1024379665) | [Harry Gohs](https://appshunter.io/developer/382428644) |

## What reviewers say

### Harmonix

[App page](https://appshunter.io/ios/app/harmonix/id1444665934)

This app provides an intelligent controller for the Elektron Digitone FM Synth, offering features like sound type programming, parameter randomization, and pattern generation. It allows for manual or queued pattern launching and includes customizable keyboard filters for note selection and parameter control.

**Highlights:** Intelligent Sound Types, Parameter Randomize/Morph/Reset, Sound Design Functions & Macros, Mixer Control, Intelligent Pattern Generation, Customizable Keyboard Filters

**In-app purchases:** none


### AddStation

[App page](https://appshunter.io/ios/app/addstation/id1500919657)

Explore new sonic territories with this advanced additive synthesis tool. Create complex timbres by combining thousands of sine waves and unique morph sequencing. Integrate seamlessly with iOS production environments and enjoy a suite of built-in effects.

**Highlights:** Fractal additive synthesis, Sound morphing, Over 170 sound presets, AUv3 AudioUnit integration, Built-in effects suite, Audiobus 3 and Ableton Link support

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

**In-app purchases:** none


## Frequently asked questions

### Is Harmonix free?

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

### Is AddStation free?

AddStation costs $8.99, with no in-app purchases.

### Which has better reviews, Harmonix or AddStation?

Harmonix is rated higher. Harmonix averages 5.0 out of 5 from 5 ratings, while AddStation averages 4.5 from 42 ratings.

### Do Harmonix or AddStation have ads?

Neither Harmonix nor AddStation shows ads.

### Which is updated more often, Harmonix or AddStation?

Harmonix ships an update every 2 weeks, and AddStation weekly. Most recently, Harmonix was updated on October 20, 2026 and AddStation on October 24, 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.*