BTS FX vs JAX AudioVisualizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BTS FX
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.
- 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
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BTS FX emerges as a dynamic multi-effect plugin, incorporating a diverse set of modules. Available on as Auv3 audio effect or can be loaded in IAA. App requires compatible Auv3 or IAA host (DAW) to load an effect. Among its Main features are: Pre/Post Moog Ladder Filter Bitcrusher with adjustable Rate and Bit controls Distinctive Distortion Module offering various reshaping algorithms. The plugin boasts a lush Reverb Module with a unique Freeze function , complemented by a Brick-wall Limiter Module and convenient Input/Output Gain adjustments. Additionally the Oversampling module provides 2x, 4x, and 8x factors, featuring both polyphase allpass IIR and FIR versions with latency compensation. Further enhancing its capabilities, BTS includes Stereo/Mode processing and a Parameter Randomiser for added creative exploration. Preset Manager, etc.
JAX AudioVisualizer
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CURRENTLY INTRO PRICE IS ACTIVE. Note: AudioUnits (AUv3) require a supporting host application to perform. The main app can be used standalone. JAX AudioVisualizer is an app extension (AudioUnit - AUv3), which can be hosted by any application, that is supporting Apple's audio unit framework. It comes with its own embedding host application for using it standalone. By inserting the JAX AudiioVisulaizer plugin into an available audio effect slot, the streaming sound can be visualized with several selectable and relatime switchable shaders. There are allot of (audio unit) parameters for editing and automation available and exposed. For practical usage, there is a parametric editor overlay available too. The latest version also supports loading of users artwork as alpha transparent *.png images as an overlay, whereby the artwork can be fade in and out dynamically. There is always more and actualized info on the product website at: https://audio.digitster.com This build is truly 'universal', meaning, the audio unit is available for: - MacOS (Apple Silicon) - iOS (iPhone) - iPadOS (iPad) - visionOS (Apple Vision Pro) Please note, that the MacOS Catalyst versions may be sold separately, as the AppStore does not allow to bundle none-silicon apps. Please also note, that AudioUnits (AUv3) require a supporting host application to perform.
Screenshots
Verdict
The clearest difference is price: BTS FX at $9.99 against JAX AudioVisualizer's $29.99. BTS FX also leads on iOS requirement (12.0 vs 14.0). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
BTS FX costs $9.99 and JAX AudioVisualizer $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.
BTS FX ships an update every 2 days, JAX AudioVisualizer every 3 days. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.
| Parameter | BTS FX | JAX AudioVisualizer |
|---|---|---|
| Price | $9.99 — better | $29.99 |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 days — better | Every 3 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 25 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmytro Kiro | Jens Guell |
In-app purchases
BTS FX
No in-app purchases
JAX AudioVisualizer
No in-app purchases



