# FAC Envolver vs BrainBud

The clearest difference is price: BrainBud at $2.99 against FAC Envolver's $9.99. FAC Envolver's advantage is ratings volume (42 vs 2) and iOS requirement (10.0 vs 12.0). On rating, review sentiment, update cadence and ads there is nothing between them.

FAC Envolver costs $9.99 and BrainBud $2.99 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 5.0 for BrainBud. That said, the two scores are not equally well evidenced: FAC Envolver has 42 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

FAC Envolver ships an update every 3 months, BrainBud every 2 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | FAC Envolver | BrainBud |
| --- | --- | --- |
| Price | $9.99 | **$2.99** |
| Rating | [4.9 (42 ratings)](https://appshunter.io/ios/app/fac-envolver/id1378195291/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brainbud-bud-app-controller/id6446066258/reviews)** |
| Number of ratings | **42** | 2 |
| 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 months** |
| Monetization | Paid | Paid |
| Size | 25 MB | 15 MB |
| Requires iOS | **10.0** | 12.0 |
| 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


### BrainBud

[App page](https://appshunter.io/ios/app/brainbud-bud-app-controller/id6446066258)

This app acts as a central controller for other music creation applications, allowing you to manage keys and scales simultaneously. It integrates with a variety of Bud apps via MIDI, enabling synchronized changes and broadcasting of musical parameters. Experiment with randomization and automate settings through its AUv3 plugin.

**Highlights:** Centralized key and scale control, MIDI out to multiple Bud apps, Budcast for parameter broadcasting, Randomize musical parameters, AUv3 plugin for automation, Requires other Bud apps to function

**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 BrainBud free?

BrainBud costs $2.99, with no in-app purchases.

### Which has better reviews, FAC Envolver or BrainBud?

BrainBud is rated higher. FAC Envolver averages 4.9 out of 5 from 42 ratings, while BrainBud averages 5.0 from 2 ratings.

### Do FAC Envolver or BrainBud have ads?

Neither FAC Envolver nor BrainBud shows ads.

### Which is updated more often, FAC Envolver or BrainBud?

FAC Envolver ships an update every 3 months, and BrainBud every 2 months. Most recently, FAC Envolver was updated on October 24, 2026 and BrainBud on October 18, 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.*