# Stone Echo vs JAX Convolutor PRO (AU)

The clearest difference is review sentiment: JAX Convolutor PRO (AU) at 100% against Stone Echo's 50%. JAX Convolutor PRO (AU) also leads on rating (4.6 vs 2.8). Stone Echo's advantage is price ($2.99 vs $9.99) and iOS requirement (10.0 vs 12.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Stone Echo costs $2.99 and JAX Convolutor PRO (AU) $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JAX Convolutor PRO (AU) holds the better App Store score, 4.6 against 2.8. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 50% of Stone Echo's written reviews are positive against 100% of JAX Convolutor PRO (AU)'s.

Stone Echo ships an update every 38 months, JAX Convolutor PRO (AU) every 25 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Stone Echo | JAX Convolutor PRO (AU) |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | [2.8 (4 ratings)](https://appshunter.io/ios/app/stone-echo/id1354390681/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/jax-convolutor-pro-au/id1494157807/reviews)** |
| Number of ratings | 4 | **5** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 25 months** |
| Monetization | Paid | Paid |
| Size | 9 MB | 139 MB |
| Requires iOS | **10.0** | 12.0 |
| 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)

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 Convolutor PRO (AU)

[App page](https://appshunter.io/ios/app/jax-convolutor-pro-au/id1494157807)

This app uses complex signal processing to create realistic reverberation effects by analyzing real-world environments. It allows users to apply these effects to audio material, making it sound as if it were played in a specific location. Advanced adjustments can refine the results for professional audio production.

**Highlights:** Realistic reverberation effects, Impulse response analysis, Audio material manipulation, FFT algorithm processing, Customizable adjustments

**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 Convolutor PRO (AU) free?

JAX Convolutor PRO (AU) costs $9.99, with no in-app purchases.

### Which has better reviews, Stone Echo or JAX Convolutor PRO (AU)?

JAX Convolutor PRO (AU) is rated higher. Stone Echo averages 2.8 out of 5 from 4 ratings, while JAX Convolutor PRO (AU) averages 4.6 from 5 ratings.

### Do Stone Echo or JAX Convolutor PRO (AU) have ads?

Neither Stone Echo nor JAX Convolutor PRO (AU) shows ads.

### Which is updated more often, Stone Echo or JAX Convolutor PRO (AU)?

Stone Echo ships an update every 38 months, and JAX Convolutor PRO (AU) every 25 months. Most recently, Stone Echo was updated on November 2, 2026 and JAX Convolutor PRO (AU) on November 3, 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.*