# Phase Monkey vs Stellarvox

The clearest difference is update cadence: Phase Monkey at weekly against Stellarvox's every 5 months. Phase Monkey also leads on price ($5.99 vs $11.99). Stellarvox's advantage is review sentiment (100% vs 71%) and rating (5.0 vs 4.8). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Phase Monkey costs $5.99 and Stellarvox $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stellarvox holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 19 and 11 respectively. Written reviews point the same way: 71% of Phase Monkey's written reviews are positive against 100% of Stellarvox's.

Phase Monkey ships an update weekly, Stellarvox every 5 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Phase Monkey | Stellarvox |
| --- | --- | --- |
| Price | **$5.99** | $11.99 |
| Rating | [4.8 (19 ratings)](https://appshunter.io/ios/app/phase-monkey-poly-synth/id6452880369/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/stellarvox/id6472060413/reviews)** |
| Number of ratings | **19** | 11 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Paid | Paid |
| Size | 15 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sketch Audio, LLC](https://appshunter.io/developer/1699093348) | [Igor Vasiliev](https://appshunter.io/developer/424401626) |

## What reviewers say

### Phase Monkey

[App page](https://appshunter.io/ios/app/phase-monkey-poly-synth/id6452880369)

Explore a versatile digital synthesizer inspired by 1980s phase distortion technology. Create a wide range of sounds from warm pads to aggressive basses with its unique engine and eight-stage envelopes. Optimized for touch interaction, it also supports MIDI controllers and runs across Apple devices.

**Highlights:** Phase distortion synth engine, Eight-stage envelopes, Touch-first interface, AUv3 plugin support, Universal Apple purchase, MIDI controller support, iCloud preset syncing

**Features:** Vision Pro support

**In-app purchases:** none


### Stellarvox

[App page](https://appshunter.io/ios/app/stellarvox/id6472060413)

Design immersive ambient soundscapes with a hybrid reverb and artificial space designer. Create lush textures, deep spaces, and whispering backgrounds for electronic, experimental, and sound design projects. Offers intuitive controls and inspiring presets for quick, high-quality results.

**Highlights:** Hybrid reverb with artificial space designer, Algorithmic reflections tail processing, Dynamic timbre changes over time, Geometry and dimension control, Factory presets and random feature, MIDI learn support, Standalone and AUv3 module

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Phase Monkey free?

Phase Monkey costs $5.99, with no in-app purchases.

### Is Stellarvox free?

Stellarvox costs $11.99, with no in-app purchases.

### Which has better reviews, Phase Monkey or Stellarvox?

Stellarvox is rated higher. Phase Monkey averages 4.8 out of 5 from 19 ratings, while Stellarvox averages 5.0 from 11 ratings.

### Do Phase Monkey or Stellarvox have ads?

Neither Phase Monkey nor Stellarvox shows ads.

### Which is updated more often, Phase Monkey or Stellarvox?

Phase Monkey ships an update weekly, and Stellarvox every 5 months. Most recently, Phase Monkey was updated on September 23, 2026 and Stellarvox on September 22, 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.*