# Stone Echo vs JAX DYNAMICS

The clearest difference is review sentiment: JAX DYNAMICS at 100% against Stone Echo's 50%. JAX DYNAMICS also leads on rating (3.7 vs 2.8) and update cadence (every 2 months vs every 38 months). Stone Echo's advantage is chart position (#191 vs unranked) and price ($2.99 vs $4.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Stone Echo costs $2.99 and JAX DYNAMICS $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JAX DYNAMICS holds the better App Store score, 3.7 against 2.8. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 50% of Stone Echo's written reviews are positive against 100% of JAX DYNAMICS's.

Stone Echo ships an update every 38 months, JAX DYNAMICS every 2 months. The most recent releases landed on August 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Stone Echo | JAX DYNAMICS |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | [2.8 (4 ratings)](https://appshunter.io/ios/app/stone-echo/id1354390681/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/jax-dynamics-compressor/id1615963636/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Best chart rank | **#191** | — |
| Size | 9 MB | 26 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) | [Jens Guell](https://appshunter.io/developer/1195004865) |

## What reviewers say

### Stone Echo

[App page](https://appshunter.io/ios/app/stone-echo/id1354390681)

**Currently charting:** #191 Top Paid · Music (US App Store)

This app creates a unique echo effect with adjustable frequency modulation, inspired by Mayan pyramid acoustics. It offers musical and experimental soundscapes, functioning as a standalone application or an AUV3 plugin.

**Highlights:** Frequency changing echo effect, Phase modulated frequency, Standalone app and AUV3 plugin, Adjustable time, feedback, and level, UFO mode for experimental sounds

**Features:** Vision Pro support

**In-app purchases:** none


### JAX DYNAMICS

[App page](https://appshunter.io/ios/app/jax-dynamics-compressor/id1615963636)

This audio processing tool offers a single-band dynamics processor with versatile stereo operation modes, including independent and linked mid/side processing. It also features a parallel processing option for enhanced audio manipulation. The tool is distributed as an app extension for use within compatible music applications.

**Highlights:** Single-band dynamics processor, Multiple stereo operation modes, Independent and linked mid/side processing, Parallel processing (mix) option, AudioUnit (AUv3) format, Universal app for macOS, iOS, iPadOS, visionOS

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

**In-app purchases:** none


## Frequently asked questions

### Is Stone Echo free?

Stone Echo costs $2.99, with no in-app purchases.

### Is JAX DYNAMICS free?

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

### Which has better reviews, Stone Echo or JAX DYNAMICS?

JAX DYNAMICS is rated higher. Stone Echo averages 2.8 out of 5 from 4 ratings, while JAX DYNAMICS averages 3.7 from 3 ratings.

### Do Stone Echo or JAX DYNAMICS have ads?

Neither Stone Echo nor JAX DYNAMICS shows ads.

### Which is updated more often, Stone Echo or JAX DYNAMICS?

Stone Echo ships an update every 38 months, and JAX DYNAMICS every 2 months. Most recently, Stone Echo was updated on August 14, 2026 and JAX DYNAMICS on September 22, 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.*