# PolyrhythmLab vs RocketVerb

The clearest difference is update cadence: RocketVerb at daily against PolyrhythmLab's fortnightly. PolyrhythmLab's advantage is price ($4.99 vs $9.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

PolyrhythmLab costs $4.99 and RocketVerb $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PolyrhythmLab ships an update fortnightly, RocketVerb daily. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PolyrhythmLab | RocketVerb |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/polyrhythmlab/id6806714489/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Paid | — |
| Size | 401 MB | 20 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Martin Adler](https://appshunter.io/developer/1896354791) | [Benjamin D'urso](https://appshunter.io/developer/1867876382) |

## What reviewers say

### PolyrhythmLab

[App page](https://appshunter.io/ios/app/polyrhythmlab/id6806714489)

Create complex, evolving musical rhythms and dynamic visual performances. This app offers a unique polyrhythmic engine for sound layers and a live visual mixer with customizable effects and camera controls. Export audio, MIDI, or video of your creations.

**Highlights:** True polyrhythm engine with independent step/pulse counts per layer, AUv3 plugin support for DAWs like GarageBand and Logic, Live MIDI output for driving external synths, Integrated VJ mixer with audio-reactive visuals and effects, Song mode for arranging patterns into full tracks, Save and reload groovebox patterns and VJ setups as presets, Export audio, MIDI, and video recordings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### RocketVerb

[App page](https://appshunter.io/ios/app/rocketverb-space-reverb/id6809924640)

**In-app purchases:** none


## Frequently asked questions

### Is PolyrhythmLab free?

PolyrhythmLab costs $4.99, with no in-app purchases.

### Is RocketVerb free?

RocketVerb costs $9.99, with no in-app purchases.

### Do PolyrhythmLab or RocketVerb have ads?

Neither PolyrhythmLab nor RocketVerb shows ads.

### Which is updated more often, PolyrhythmLab or RocketVerb?

PolyrhythmLab ships an update fortnightly, and RocketVerb daily. Most recently, PolyrhythmLab was updated on October 7, 2026 and RocketVerb on October 14, 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.*