FAC Alteza

Name: FAC Alteza
Price: 1500 USD
Rating: 5 (4 reviews)
Author: Frederic Corvest

By: Frederic Corvest

Exospheric Stereo Reverb AUv3

Features & Capabilities

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.

User Growth & Download Statistics

App Music & Audio Developer Tools

By:

Frederic Corvest

Rating:

5.00

(4) 5.00

Version:

2.4.3 Last updated: 2023-07-05

Version code:

858231288

Creation date:

2020-02-16

Compatible devices:

Size:

2.95MB

Price:

1500

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-30

Compare stats and ranking:

Ranking

# 571,014 ▲ 1,031,180

For Developers

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Contact the developer

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Developed by:

Frederic Corvest

Apple Apps Store

https://apps.apple.com/jp/app/fac-alteza/id1489369665?l=en-US

Website:

http://fredantoncorvest.com

User Reviews

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

Cons

Recent reviews

Such a magical reverb!

by Le*****, 2025-11-23

Great shimmering harmonic reverb with great tone!

by Al*****, 2024-11-28

I use a few different reverbs on the iOS platform, and must say FAC Alteza is the one that I reach for the most during my sessions. It is extremely versatile, and instantly adds life and atmosphere to any sound that you feed into it. It can give that otherworldly quality to the soundscape, in a similar way that an Eventide Blackhole does, but in a way that is entirely unique and unmistakable. It can turn a simple monophonic sound source into an expansive space of complex harmonic richness.