# JAX SR vs Harmonicer

The clearest difference is review sentiment: Harmonicer at 80% against JAX SR's 0%. Harmonicer also leads on update cadence (every 4 days vs monthly) and ratings volume (12 vs 1). JAX SR's advantage is rating (5.0 vs 4.7). On ads, in-app purchases, monetization model and device support there is nothing between them.

JAX SR costs $6.99 and Harmonicer $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JAX SR holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Harmonicer has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of JAX SR's written reviews are positive against 80% of Harmonicer's, so the app with the better star average is not the one people write more warmly about.

JAX SR ships an update monthly, Harmonicer every 4 days. The most recent releases landed on September 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | JAX SR | Harmonicer |
| --- | --- | --- |
| Price | $6.99 | **$4.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jax-sr-chorus/id1636821650/reviews)** | [4.7 (12 ratings)](https://appshunter.io/ios/app/harmonicer/id6468485333/reviews) |
| Number of ratings | 1 | **12** |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 21 MB | 23 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jens Guell](https://appshunter.io/developer/1195004865) | [Kai Aras](https://appshunter.io/developer/370820899) |

## What reviewers say

### JAX SR

[App page](https://appshunter.io/ios/app/jax-sr-chorus/id1636821650)

This audio effect processor allows selective frequency range processing for modulation effects. It offers a classic chorus with MIDI control and aims to avoid negative side effects by targeting specific frequency bands.

**Highlights:** Selective frequency range processing, Classic chorus modulation, Optional direct MIDI control, Universal app for multiple Apple platforms, Avoids negative side effects of full-range effects

**Features:** macOS Compatibility

**In-app purchases:** none


### Harmonicer

[App page](https://appshunter.io/ios/app/harmonicer/id6468485333)

This app generates musical inspiration by combining MIDI quantization, harmonization, and arpeggiation. It offers extensive scale support and allows for the creation of complex chords and rhythmic patterns to enhance musical compositions.

**Highlights:** MIDI Quantizer with 20+ scales, Custom scale support, Harmonizer with up to 4 voices, Arpeggiator with 10 modes, Process MIDI from any source, Standalone use with internal keyboard

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JAX SR free?

JAX SR costs $6.99, with no in-app purchases.

### Is Harmonicer free?

Harmonicer costs $4.99, with no in-app purchases.

### Which has better reviews, JAX SR or Harmonicer?

JAX SR is rated higher. JAX SR averages 5.0 out of 5 from 1 ratings, while Harmonicer averages 4.7 from 12 ratings.

### Do JAX SR or Harmonicer have ads?

Neither JAX SR nor Harmonicer shows ads.

### Which is updated more often, JAX SR or Harmonicer?

JAX SR ships an update monthly, and Harmonicer every 4 days. Most recently, JAX SR was updated on September 23, 2026 and Harmonicer on October 25, 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.*