---
title: "FAC Alteza — App Overview"
url: https://marlvel.ai/intel-report/music/fac-alteza
category: Music
developer: Frederic Corvest
platforms: ios
rating: 4.9 (79 ratings)
pricing: paid
report_level: overview
generated: 2026-04-21
last_verified: "2026-04-21T09:44:07.145Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** FAC Alteza is a highly-rated, specialized reverb tool favored by users for its unique ability to transform simple audio sources into expansive, lush soundscapes.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Music |
| Rating | 4.9 ★ (79) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 2.4.3 |
| Developer | Frederic Corvest |

<!-- SECTION: Summary -->
## What is FAC Alteza?

FAC Alteza is an iOS Audio Unit V3 exospheric stereo reverb designed for ambient sound design and ethereal textures. It distinguishes itself through a unique feedback processor featuring dual pitch shifters, enabling complex shimmer effects and harmonic richness. The app provides professional-grade control over spatial characteristics, including sidechain ducking and advanced input filtering.

<!-- SECTION: Key Features -->
## Key Features

- **Feedback Processor**: Includes two pitch shifters to generate signature shimmer effects and complex harmonic textures.
- **Advanced Signal Routing**: Features multiple outputs and a dedicated bus to route feedback signals to external effects.
- **Input Processing**: Provides high-pass filtering, stereo width controls, and sidechain input for reverb ducking.
- **Audio Unit V3 Integration**: Functions as a universal iOS plugin with responsive portrait and landscape interface support.

<!-- SECTION: Target Audience -->
## Who is it for?

Ambient musicians and sound designers seeking high-quality, atmospheric reverb and pitch-shifting capabilities on iOS.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/fac-alteza/id1489369665?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/music/fac-alteza)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/music/fac-alteza).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*