# Stone Echo vs JAX MASTERING

The clearest difference is price: Stone Echo at $2.99 against JAX MASTERING's $9.99. Stone Echo also leads on iOS requirement (10.0 vs 12.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

Stone Echo ships an update every 38 months, JAX MASTERING every 25 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stone Echo | JAX MASTERING |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/stone-echo/id1354390681/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 25 months** |
| Monetization | Paid | — |
| Size | 9 MB | 78 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 MASTERING

[App page](https://appshunter.io/ios/app/jax-mastering-mbc-pro/id1619272047)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stone Echo free?

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

### Is JAX MASTERING free?

JAX MASTERING costs $9.99, with no in-app purchases.

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

Neither Stone Echo nor JAX MASTERING shows ads.

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

Stone Echo ships an update every 38 months, and JAX MASTERING every 25 months. Most recently, Stone Echo was updated on October 24, 2026 and JAX MASTERING on October 12, 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.*