# FAC Envolver vs Ringotron

The clearest difference is update cadence: FAC Envolver at every 3 months against Ringotron's every 20 months. FAC Envolver also leads on price ($9.99 vs $12.99) and iOS requirement (10.0 vs 14.0). On rating, review sentiment, ratings volume and ads there is nothing between them.

FAC Envolver costs $9.99 and Ringotron $12.99 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 Ringotron. Both are backed by a comparable volume of ratings — 41 and 16 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

FAC Envolver ships an update every 3 months, Ringotron every 20 months. The most recent releases landed on October 15, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | FAC Envolver | Ringotron |
| --- | --- | --- |
| Price | **$9.99** | $12.99 |
| Rating | [4.9 (41 ratings)](https://appshunter.io/ios/app/fac-envolver/id1378195291/reviews) | **[5.0 (16 ratings)](https://appshunter.io/ios/app/ringotron/id6474263444/reviews)** |
| Number of ratings | **41** | 16 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 20 months |
| Monetization | Paid | Paid |
| Size | 25 MB | 4 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Frederic Corvest](https://appshunter.io/developer/1230164765) | [quantovox](https://appshunter.io/developer/484686124) |

## 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


### Ringotron

[App page](https://appshunter.io/ios/app/ringotron/id6474263444)

This app offers advanced control over ring modulation effects for sound design and audio processing. Its multi-band design allows precise manipulation of the audio spectrum, with a special soft mode to reduce unwanted intermodulation. It can also function as a resonant filter that smoothly transitions into a ring modulator.

**Highlights:** Parallel ring modulator units, Stereo separation control, Ultra-narrow band resonance, Ribbon controls for frequencies, Modulation system for band centers, Tempo syncing for oscillators, Soft limiter and clipper

**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 Ringotron free?

Ringotron costs $12.99, with no in-app purchases.

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

Ringotron is rated higher. FAC Envolver averages 4.9 out of 5 from 41 ratings, while Ringotron averages 5.0 from 16 ratings.

### Do FAC Envolver or Ringotron have ads?

Neither FAC Envolver nor Ringotron shows ads.

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

FAC Envolver ships an update every 3 months, and Ringotron every 20 months. Most recently, FAC Envolver was updated on October 15, 2026 and Ringotron on October 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.*