# ECHO-TERZA — Seconda & Terza Voices Pro

> Seconda & Terza Voices Pro (iPhone/iPad app by Gentian Coci.)

- Source: https://appshunter.io/ios/app/echo-terza/id6752669555 (this page in markdown: same URL + `.md`)
- Developer: [Gentian Coci](https://appshunter.io/developer/1809578428)
- Category: Music, Productivity
- Price: $129.99
- Age rating: 4+
- Requires: iOS 15 · 13 MB
- Languages: English
- Released: 2025-09-19
- Data updated: 2026-06-21
- User reviews in markdown: https://appshunter.io/ios/app/echo-terza/id6752669555/reviews.md

## What is ECHO?

ECHO-TERZA is an advanced microtonal MIDI controller designed for musicians, composers, and performers exploring alternative tuning systems and intelligent harmonization. With its professional TERZA engine for seconda/terza voices, a powerful microtonal system, and a full suite of routing and performance tools, ECHO-TERZA opens new creative possibilities for modern music production and live performance.

Key Features
* TERZA Engine – Professional seconda/terza harmonization for any synth.
* Auto Chord Detection – Intelligent chord recognition with automatic preset switching.
* MINOR HARM System – Three modes: Natural Minor, Harmonic Minor, Hijazskiar scale.
* Poly / Mono Modes – Poly: full harmonization · Mono: seconda via separate channel.
* Microtonal Engine – Precise pitch bend control with custom scales.
* Dual System (BOTH) – Run TERZA + Microtonal simultaneously for advanced harmony.
* Transpose System – Real-time transpose with chord detection compensation.
* MIDI Learn Pro – Fast & Normal modes with smart routing automation.
* Auto Sound Detection – Smart Mono/Poly switching via Portamento CC.
* Advanced Presets – TERZA, Scale, and Combi presets with flexible toggles.
* Custom Scales – Create and save your own microtonal scales.
* Universal Connectivity – Works with all synths · Bluetooth MIDI supported.
* Trigger Button Mapping – Flexible trigger button mapping for live setups.
* Sound Manager – Full sound management and quick switching.
* Auto Sound Recognition – Intelligent sound detection for streamlined workflow.
* Multi-Channel Output – Multiple output channels for studio and live rigs.
* Smart MIDI Routing – Intelligent routing that simplifies complex setups.
* Switch-Toggle Mode – Choose between momentary or toggle trigger behavior.
* Note Range Control – Define MIDI note ranges for split keyboards.
* Latency Control – Fine-tune timing to fit any setup.
* Volume Control – Precise per-channel/trigger volume adjustment.

Why Use It
ECHO-TERZA is more than just a controller – it’s a harmonization and microtonal system that:
* Integrates seamlessly with DAWs, AUM, Audiobus, and hardware synths.
* Delivers seconda/terza voices and microtonality without external modules.
* Sets up fast with MIDI Learn Pro and stays stable in live performance.

Credits
Designed & Developed by
* Giannis Tsotsis – Developer
* Georgios Tsotsis – Designer
© 2025 ECHOPAIS MIDI System · All rights reserved.


## Version history (last 5 releases)

### 1.8 — 2026-06-07

Update Color

### 1.7 — 2026-02-12

Edit Setlist.

### 1.6 — 2026-01-27

Update : New Setlist Scene - Import Export Setlist-Scale microtonal and custom terza.

### 1.5 — 2026-01-23

Update Custom Scale Terza

### 1.4 — 2025-11-24

Version 1.4 – Minor bug fixes and performance improvements.

## More apps by Gentian Coci

- [EchopaisPadController](https://appshunter.io/ios/app/echopaispadcontroller/id6745111666)
- [ECHOPAIS - SCALER K.K](https://appshunter.io/ios/app/echopais-scaler-kk/id6746811172)
- [Echopais Scaler K.N](https://appshunter.io/ios/app/echopais-scaler-kn/id6747049409)
- [Echopais Scaler Pa.XS](https://appshunter.io/ios/app/echopais-scaler-paxs/id6747149132)
- [ECHO-SCALE](https://appshunter.io/ios/app/echo-scale/id6753189209)

All apps by Gentian Coci: https://appshunter.io/developer/1809578428

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-21.*