# Kleverb vs BTS FX

The clearest difference is price: BTS FX at $9.99 against Kleverb's $19.99. BTS FX also leads on update cadence (every 2 days vs every 4 months) and rating (5.0 vs 4.8). Kleverb's advantage is ratings volume (13 vs 3). On ads, in-app purchases, monetization model and iOS requirement there is nothing between them.

Kleverb costs $19.99 and BTS FX $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BTS FX holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 13 and 3 respectively.

Kleverb ships an update every 4 months, BTS FX every 2 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Kleverb | BTS FX |
| --- | --- | --- |
| Price | $19.99 | **$9.99** |
| Rating | [4.8 (13 ratings)](https://appshunter.io/ios/app/kleverb/id1438836422/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bts-fx/id6450247370/reviews)** |
| Number of ratings | **13** | 3 |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 22 MB | 25 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Klevgrand Produkter AB](https://appshunter.io/developer/1118902192) | [Dmytro Kiro](https://appshunter.io/developer/1621893756) |

## What reviewers say

### Kleverb

[App page](https://appshunter.io/ios/app/kleverb/id1438836422)

This app offers a high-quality algorithmic reverb effect with an intuitive interface. It allows for detailed simulation of various room acoustics and includes features like modulation and a ducker for precise sound shaping. Suitable for diverse musical genres.

**Highlights:** Algorithmic reverb effect, Room size selection (SMALL, MEDIUM, LARGE), Selectable filters on reflections, Wet signal modulation, Damping and diffusion parameters, Integrated ducker with sidechain, Standalone app and AUv3 plugin

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Kleverb free?

Kleverb costs $19.99, with no in-app purchases.

### Is BTS FX free?

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

### Which has better reviews, Kleverb or BTS FX?

BTS FX is rated higher. Kleverb averages 4.8 out of 5 from 13 ratings, while BTS FX averages 5.0 from 3 ratings.

### Do Kleverb or BTS FX have ads?

Neither Kleverb nor BTS FX shows ads.

### Which is updated more often, Kleverb or BTS FX?

Kleverb ships an update every 4 months, and BTS FX every 2 days. Most recently, Kleverb was updated on November 2, 2026 and BTS FX on October 25, 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.*