# JAX ESSENTIALS vs BTS FX

The clearest difference is update cadence: BTS FX at every 2 days against JAX ESSENTIALS's every 2 weeks. BTS FX also leads on chart position (#197 vs unranked) and ratings volume (3 vs 1). JAX ESSENTIALS's advantage is price ($4.99 vs $9.99). On rating, ads, in-app purchases and monetization model there is nothing between them.

JAX ESSENTIALS costs $4.99 and BTS FX $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for JAX ESSENTIALS against 5.0 for BTS FX. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

JAX ESSENTIALS ships an update every 2 weeks, BTS FX every 2 days. The most recent releases landed on November 14, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | JAX ESSENTIALS | BTS FX |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/jax-essentials-phaser/id1636820878/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/bts-fx/id6450247370/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#197** |
| Size | 33 MB | 25 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jens Guell](https://appshunter.io/developer/1195004865) | [Dmytro Kiro](https://appshunter.io/developer/1621893756) |

## What reviewers say

### 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


### BTS FX

[App page](https://appshunter.io/ios/app/bts-fx/id6450247370)

**Currently charting:** #197 Top Paid · Music (US App Store)

This audio effect plugin offers a versatile multi-effect suite for music production. It features a bitcrusher, distortion, reverb with a freeze function, and a limiter, all controllable within compatible DAWs.

**Highlights:** Bitcrusher with adjustable rate and bit, Distortion module with various algorithms, Reverb module with freeze function, Brick-wall limiter, Oversampling module (2x, 4x, 8x), Stereo/Mode processing, Parameter randomizer

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

**In-app purchases:** none


## Frequently asked questions

### Is JAX ESSENTIALS free?

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

### Is BTS FX free?

BTS FX costs $9.99, with no in-app purchases.

### Which has better reviews, JAX ESSENTIALS or BTS FX?

JAX ESSENTIALS and BTS FX are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do JAX ESSENTIALS or BTS FX have ads?

Neither JAX ESSENTIALS nor BTS FX shows ads.

### Which is updated more often, JAX ESSENTIALS or BTS FX?

JAX ESSENTIALS ships an update every 2 weeks, and BTS FX every 2 days. Most recently, JAX ESSENTIALS was updated on November 14, 2026 and BTS FX 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.*