# Sound Chords vs JAX ESSENTIALS

The clearest difference is update cadence: JAX ESSENTIALS at every 2 weeks against Sound Chords's every 38 months. Sound Chords's advantage is price ($2.99 vs $4.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Sound Chords costs $2.99 and JAX ESSENTIALS $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sound Chords ships an update every 38 months, JAX ESSENTIALS every 2 weeks. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Sound Chords | JAX ESSENTIALS |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jax-essentials-phaser/id1636820878/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 30 MB | 33 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jun Usuki](https://appshunter.io/developer/673638479) | [Jens Guell](https://appshunter.io/developer/1195004865) |

## What reviewers say

### Sound Chords

[App page](https://appshunter.io/ios/app/sound-chords/id1210724946)

Instantly hear the sound of any chord symbol you encounter in sheet music. This app helps you understand chord progressions, create accompaniments, and learn chords by listening. It also allows you to check musical scales in a selected keynote.

**Highlights:** Listen to chord sounds from symbols, Check chord progressions, Create chord accompaniments, Learn chords by listening, Check musical scales, Select keynote for scales

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

**In-app purchases:** none


### JAX ESSENTIALS

[App page](https://appshunter.io/ios/app/jax-essentials-phaser/id1636820878)

This audio effect plugin offers a multi-stage phaser modulation with allpass filters for dynamic soundscapes. It's compatible across Apple devices and integrates with popular music production software.

**Highlights:** Multi-stage phaser modulation, Allpass filter design, LFO for depth and speed modulation, Cross-device preset sharing, Includes ~200 factory presets, Resizable and adaptive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Sound Chords free?

Sound Chords costs $2.99, with no in-app purchases.

### Is JAX ESSENTIALS free?

JAX ESSENTIALS costs $4.99, with no in-app purchases.

### Do Sound Chords or JAX ESSENTIALS have ads?

Neither Sound Chords nor JAX ESSENTIALS shows ads.

### Which is updated more often, Sound Chords or JAX ESSENTIALS?

Sound Chords ships an update every 38 months, and JAX ESSENTIALS every 2 weeks. Most recently, Sound Chords was updated on October 21, 2026 and JAX ESSENTIALS on October 19, 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.*