# BTS FX vs KA mini HuLuSi

The clearest difference is price: KA mini HuLuSi at $1.99 against BTS FX's $9.99. BTS FX's advantage is update cadence (every 2 days vs every 5 weeks) and ratings volume (3 vs 1). On rating, ads, in-app purchases and monetization model there is nothing between them.

BTS FX costs $9.99 and KA mini HuLuSi $1.99 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 BTS FX against 5.0 for KA mini HuLuSi. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

BTS FX ships an update every 2 days, KA mini HuLuSi every 5 weeks. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BTS FX | KA mini HuLuSi |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/bts-fx/id6450247370/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ka-mini-hulusi/id6479429450/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | Paid | Paid |
| Size | 25 MB | 24 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Kiro](https://appshunter.io/developer/1621893756) | [SHANTOU KONG AUDIO SOFTWARE TECHNOLOGY CO.,LTD.](https://appshunter.io/developer/956078324) |

## What reviewers say

### BTS FX

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

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


### KA mini HuLuSi

[App page](https://appshunter.io/ios/app/ka-mini-hulusi/id6479429450)

This virtual instrument app offers a high-quality Chinese HuLuSi sound experience for electric wind and MIDI keyboard users. Its minimalist design ensures simple UI controls for an intuitive musical creation process.

**Highlights:** Virtual HuLuSi instrument, Minimalist UI design, High-quality sound, Electric wind instrument support, MIDI keyboard support, App and AUv3 plugin compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is BTS FX free?

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

### Is KA mini HuLuSi free?

KA mini HuLuSi costs $1.99, with no in-app purchases.

### Which has better reviews, BTS FX or KA mini HuLuSi?

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

### Do BTS FX or KA mini HuLuSi have ads?

Neither BTS FX nor KA mini HuLuSi shows ads.

### Which is updated more often, BTS FX or KA mini HuLuSi?

BTS FX ships an update every 2 days, and KA mini HuLuSi every 5 weeks. Most recently, BTS FX was updated on October 17, 2026 and KA mini HuLuSi on October 11, 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.*