# BLEASS Phase Mutant vs Big Swarma

The clearest difference is price: BLEASS Phase Mutant at $4.99 against Big Swarma's $14.99. BLEASS Phase Mutant also leads on ratings volume (27 vs 6) and iOS requirement (11.0 vs 14.0). Big Swarma's advantage is review sentiment (100% vs 75%) and rating (5.0 vs 4.7). On ads, in-app purchases, monetization model and device support there is nothing between them.

BLEASS Phase Mutant costs $4.99 and Big Swarma $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Big Swarma holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 27 and 6 respectively. Written reviews point the same way: 75% of BLEASS Phase Mutant's written reviews are positive against 100% of Big Swarma's.

BLEASS Phase Mutant ships an update every 3 weeks, Big Swarma every 10 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BLEASS Phase Mutant | Big Swarma |
| --- | --- | --- |
| Price | **$4.99** | $14.99 |
| Rating | [4.7 (27 ratings)](https://appshunter.io/ios/app/bleass-phase-mutant/id1611006344/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/big-swarma/id6747882165/reviews)** |
| Number of ratings | **27** | 6 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Paid | Paid |
| Size | 23 MB | 20 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BLEASS](https://appshunter.io/developer/1220444177) | [Audiority Srl](https://appshunter.io/developer/1815900942) |

## What reviewers say

### BLEASS Phase Mutant

[App page](https://appshunter.io/ios/app/bleass-phase-mutant/id1611006344)

This music app applies frequency modulation to any audio source, creating complex harmonic distortions and expressive tonal variations. It offers unique modern effects for vocals, basses, leads, and percussion, with advanced modulation options.

**Highlights:** Frequency Modulation (FM) synthesis for audio sources, Modulate input signal with an oscillator or vice versa, Complex harmonic distortions and tonal variations, Pitch-tracking oscillator with adjustable waveforms, Stereo field spreading via phase offset, 2 LFOs, Envelope Follower, and Motion Sequencer, Modern effects for vocals, basses, leads, and percussion

**In-app purchases:** none


### Big Swarma

[App page](https://appshunter.io/ios/app/big-swarma/id6747882165)

Transform audio into massive, detuned swarms with up to 16 voices. Features adjustable detune, stereo width, and pitch modulation for unique textures. An intense feedback circuit and dual MS20-style filters offer further sound sculpting capabilities.

**Highlights:** Voice multiplier up to 16 voices, Adjustable detune, stereo width, pitch modulation, Intense feedback circuit, Dual MS20-style filters (HPF/LPF), Resonance and master cutoff controls, Raw analog character

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BLEASS Phase Mutant free?

BLEASS Phase Mutant costs $4.99, with no in-app purchases.

### Is Big Swarma free?

Big Swarma costs $14.99, with no in-app purchases.

### Which has better reviews, BLEASS Phase Mutant or Big Swarma?

Big Swarma is rated higher. BLEASS Phase Mutant averages 4.7 out of 5 from 27 ratings, while Big Swarma averages 5.0 from 6 ratings.

### Do BLEASS Phase Mutant or Big Swarma have ads?

Neither BLEASS Phase Mutant nor Big Swarma shows ads.

### Which is updated more often, BLEASS Phase Mutant or Big Swarma?

BLEASS Phase Mutant ships an update every 3 weeks, and Big Swarma every 10 days. Most recently, BLEASS Phase Mutant was updated on November 7, 2026 and Big Swarma on October 30, 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.*