# Arctic ProSynth vs BTS FX

The clearest difference is rating: BTS FX at 5.0 against Arctic ProSynth's 3.3. BTS FX also leads on update cadence (every 2 days vs every 4 months) and chart position (#197 vs unranked). On price, ratings volume, ads and in-app purchases there is nothing between them.

Arctic ProSynth costs $9.99 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 3.3. Both are backed by a comparable volume of ratings — 8 and 3 respectively.

Arctic ProSynth ships an update every 4 months, BTS FX every 2 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Arctic ProSynth | BTS FX |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | [3.3 (8 ratings)](https://appshunter.io/ios/app/arctic-prosynth/id676870971/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bts-fx/id6450247370/reviews)** |
| Number of ratings | **8** | 3 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#197** |
| Size | 47 MB | 25 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [One Red Dog Media](https://appshunter.io/developer/398933972) | [Dmytro Kiro](https://appshunter.io/developer/1621893756) |

## What reviewers say

### Arctic ProSynth

[App page](https://appshunter.io/ios/app/arctic-prosynth/id676870971)

Create bold and tough electronic music with a modern subtractive synthesizer. Explore rich sound design with powerful oscillators, dual filters, and versatile effects. Record and share your creations easily.

**Highlights:** HyperOscillators for fat sounds, Dual multi-mode filters, Master effects with adjustable order, Integrated Vocoder, 16x4 gated step sequencer, Live audio and MIDI recording, Preset and bank sharing

**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 Arctic ProSynth free?

Arctic ProSynth costs $9.99, with no in-app purchases.

### Is BTS FX free?

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

### Which has better reviews, Arctic ProSynth or BTS FX?

BTS FX is rated higher. Arctic ProSynth averages 3.3 out of 5 from 8 ratings, while BTS FX averages 5.0 from 3 ratings.

### Do Arctic ProSynth or BTS FX have ads?

Neither Arctic ProSynth nor BTS FX shows ads.

### Which is updated more often, Arctic ProSynth or BTS FX?

Arctic ProSynth ships an update every 4 months, and BTS FX every 2 days. Most recently, Arctic ProSynth was updated on November 1, 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.*