# ersa: Chord Machine

> ersa: Chord Machine (iPhone/iPad app by RETROPASTE LTD.)

- Source: https://appshunter.io/ios/app/ersa-chord-machine/id6818275235 (this page in markdown: same URL + `.md`)
- Developer: [RETROPASTE LTD](https://appshunter.io/developer/1895021660)
- Category: Music
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 162 MB
- Languages: American English
- Released: 2026-10-11
- Data updated: 2026-10-31

## What is ersa?

Ersa is a chord machine for exploring harmony, shaping sounds and building loops. Choose a key, play chord pads and turn musical ideas into performances.

PLAY AND EXPLORE
Play chords with touch controls and explore different chord qualities and voicings. Switch between chord, strum and arpeggiated performances.

SHAPE YOUR SOUND
Explore built-in sounds and adjust effects to suit your music. Save presets for ideas you want to return to.

BUILD LOOPS
Record and layer musical parts with looping tools.

Ersa works without an account. Sound generation and looping happen on your device.

## Is ersa safe?

Not enough ratings yet to assess ersa.

## Is ersa legit?

ersa: Chord Machine has limited verification signals. The AppsHunter Legitimacy Score for ersa is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 1.0.4 — 2026-10-31

A new portrait welcome screen, refined scene defaults, and fixes to improve your playing experience.

### 1.0.3 — 2026-10-30

- Explore updated Scenes artwork and clearer preset controls.
- Play new Strips voicings with more responsive touch selection and bass that follows your chosen voicing.
- Try the new Running Down play pattern.
- Improved chord labels, saved preset icons and sound details.

### 1.0.2 — 2026-10-28

- Browse scenes with artwork, clearer descriptions, sorting and quick starts.
- Choose the Bass register independently from pattern presets.
- More natural sustain for Round Bass and Acoustic Strummer sounds.
- Improved strum glide, scene preset recall and audio stability.
- Clearer voicing names, preset details and Help controls.

### 1.0.1 — 2026-10-23

- Keep arpeggios and patterns in time with Sync chord changes.
- Explore six curated built-in scenes.
- Improved Chord Lab playback and chord assignment.
- Clearer preset names, scene menus and controls on smaller screens.
- Fixed feedback issues in Liquid and Vowel phaser effects.
- Built-in drums have been removed as Ersa focuses on chords, synth sounds and looping.
- Removed experimental features and settings to streamline the app.

### 1.0 — 2026-10-11

No release notes.

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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 2026-10-31.*