# FAC Envolver vs PolyBud Polyrhythmic Sequencer

The clearest difference is update cadence: PolyBud Polyrhythmic Sequencer at every 2 weeks against FAC Envolver's every 3 months. PolyBud Polyrhythmic Sequencer also leads on price ($5.99 vs $9.99). FAC Envolver's advantage is ratings volume (42 vs 9) and iOS requirement (10.0 vs 13.0). On rating, review sentiment, ads and in-app purchases there is nothing between them.

FAC Envolver costs $9.99 and PolyBud Polyrhythmic Sequencer $5.99 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 — 4.9 for FAC Envolver against 4.9 for PolyBud Polyrhythmic Sequencer. Both are backed by a comparable volume of ratings — 42 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

FAC Envolver ships an update every 3 months, PolyBud Polyrhythmic Sequencer every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FAC Envolver | PolyBud Polyrhythmic Sequencer |
| --- | --- | --- |
| Price | $9.99 | **$5.99** |
| Rating | **[4.9 (42 ratings)](https://appshunter.io/ios/app/fac-envolver/id1378195291/reviews)** | [4.9 (9 ratings)](https://appshunter.io/ios/app/polybud-polyrhythmic-sequencer/id1624211288/reviews) |
| Number of ratings | **42** | 9 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 25 MB | 7 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Frederic Corvest](https://appshunter.io/developer/1230164765) | [Cem Olcay](https://appshunter.io/developer/523633853) |

## What reviewers say

### FAC Envolver

[App page](https://appshunter.io/ios/app/fac-envolver/id1378195291)

This audio effect processor transforms input audio using MIDI CC and notes to control synthesizer parameters. It features a noise gate and a trance gate for unique sound modulation and sequences.

**Highlights:** MIDI CC and note control, Envelope follower, Noise gate, Trance gate, Stereo effect with linked channels, Adjustable pitch and scale progression

**In-app purchases:** none


### PolyBud Polyrhythmic Sequencer

[App page](https://appshunter.io/ios/app/polybud-polyrhythmic-sequencer/id1624211288)

Create complex musical sequences with multiple polyrhythmic tracks. Control note, velocity, gate, and MIDI CC parameters with independent step lengths and rates. Route MIDI output to your favorite synths and AUv3 hosts.

**Highlights:** Multitrack polyrhythmic MIDI sequencing, Note and MIDI CC tracks, Configurable step lengths per mode, Independent track rates, Assignable MIDI channels, Ramp value for CC smoothing, AUv3 plugin support

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

**In-app purchases:** none


## Frequently asked questions

### Is FAC Envolver free?

FAC Envolver costs $9.99, with no in-app purchases.

### Is PolyBud Polyrhythmic Sequencer free?

PolyBud Polyrhythmic Sequencer costs $5.99, with no in-app purchases.

### Which has better reviews, FAC Envolver or PolyBud Polyrhythmic Sequencer?

FAC Envolver is rated higher. FAC Envolver averages 4.9 out of 5 from 42 ratings, while PolyBud Polyrhythmic Sequencer averages 4.9 from 9 ratings.

### Do FAC Envolver or PolyBud Polyrhythmic Sequencer have ads?

Neither FAC Envolver nor PolyBud Polyrhythmic Sequencer shows ads.

### Which is updated more often, FAC Envolver or PolyBud Polyrhythmic Sequencer?

FAC Envolver ships an update every 3 months, and PolyBud Polyrhythmic Sequencer every 2 weeks. Most recently, FAC Envolver was updated on October 25, 2026 and PolyBud Polyrhythmic Sequencer on October 24, 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.*