# BTS FX vs iSimpleLoop

The clearest difference is price: iSimpleLoop at Free against BTS FX's $9.99. BTS FX's advantage is update cadence (every 2 days vs every 3 days) and ratings volume (3 vs 1). On rating, ads, in-app purchases and device support there is nothing between them.

iSimpleLoop is free to download; BTS FX costs $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 BTS FX against 5.0 for iSimpleLoop. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

BTS FX ships an update every 2 days, iSimpleLoop every 3 days. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BTS FX | iSimpleLoop |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/bts-fx/id6450247370/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/isimpleloop/id6813529643/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Paid | **Free** |
| Size | 25 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Kiro](https://appshunter.io/developer/1621893756) | [Artem Kolchin](https://appshunter.io/developer/1838950253) |

## 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


### iSimpleLoop

[App page](https://appshunter.io/ios/app/isimpleloop/id6813529643)

Record and layer multiple audio tracks to create songs. Features built-in instruments like guitar, keys, and pads, along with editing tools and effects. Export your creations as audio or MIDI files.

**Highlights:** Multi-track recording, Built-in guitar, keys, and pads, Audio and MIDI export, Song arrangement and editing, Effects and EQ, Lyrics and note editor

**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 iSimpleLoop free?

iSimpleLoop is free to download, with no in-app purchases.

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

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

### Do BTS FX or iSimpleLoop have ads?

Neither BTS FX nor iSimpleLoop shows ads.

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

BTS FX ships an update every 2 days, and iSimpleLoop every 3 days. Most recently, BTS FX was updated on October 25, 2026 and iSimpleLoop on October 13, 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.*