# FAC Alteza

> Exospheric Stereo Reverb AUv3

Canonical page: [https://chrome-stats.com/d/id1489369665](https://chrome-stats.com/d/id1489369665)

## Overview

- **ID:** `id1489369665`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Frederic Corvest
- **Category:** Music
- **Rating:** 4.90 / 5 (81 ratings)
- **Version:** 2.4.3
- **Last updated:** 2023-07-05
- **First published:** 2020-02-16
- **Size:** 2.95 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/fac-alteza/id1489369665)
- **Website:** [http://fredantoncorvest.com](http://fredantoncorvest.com/)
- **Privacy policy:** [http://fredantoncorvest.com/privacy\_policy.html](http://fredantoncorvest.com/privacy_policy.html)

## Description

FAC Alteza is an AUv3 shimmer reverb designed for hosts that support AUv3 plugins. It delivers exospheric stereo reverb with ultra-low latency pitch shifting, a lush evolving texture, and a flexible feedback path built from all-pass delays. Features include stereo input width control, high-pass and stereo width controls, separate dry/wet outputs, a sidechain ducking input, and multiple outputs for routing the feedback signal to other effects. The unit also provides two ultra-low-latency pitch shifters and a responsive UI for portrait and landscape views. Documentation is available at fredantoncorvest.com/FAC_Alteza.html.

## Rankings

- #143,404 — Overall

## Review summary

User reviews for FAC Alteza consistently praise its lush, distinctive ambient reverb and rich harmonic texture. Reviewers call it versatile—capable of subtle spaces or expansive, otherworldly soundscapes—and note its strong presets and easy-to-use interface. The effect is described as reliable on iOS, with light CPU usage, and a sound that rivals high-end hardware like Eventide Blackhole. Fans view Alteza as an essential tool for ambient music, guitar, and synthesis, often labeling it among their top favorite reverbs and a standout in the FAC lineup.

### Pros

- Distinctive, lush ambient reverb with a rich harmonic texture and unique character
- Highly versatile and expressive—subtle to expansive soundscapes with life added to many sources
- Excellent presets and an intuitive, well‑designed interface that’s easy to dial in
- Stable on iOS with light CPU usage and reliable performance
- Powerful features like pitch shifters (±12 semitones) that add fullness and texture

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1489369665)