EarChord vs Polychrome Computer
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
EarChord compared with Polychrome Computer
| Detail | 
EarChord | 
Polychrome Computer |
|---|
| What it does | Chord detection in your browser
| Compact creativity
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| Not given
|
|---|
| Pricing model | Free
| Not given
|
|---|
| Pricing | Not given
| Not given
|
|---|
| Key features | - Chord progression detection
- Key identification using Krumhansl-Schmuckler profiles
- Tempo/BPM detection from onset envelope
- Interactive timeline of detected chords
- Roman numeral chord notation
- Export chord list as text or file
- Supports MP3, WAV, M4A, AIFF, FLAC and OGG files
| - Eight labeled chords for the detected key
- Chord voicing options including sevenths, sus2, sus4, add9, first inversion, and no third
- Installable to home screen like a calculator
- No audio recording
|
|---|
| What makes it different | - Runs entirely in browser with no uploads or server processing
- Completely free with no daily limits or account required
- Uses transparent signal processing instead of hidden machine learning
- Shows actual detection results so you can see where it guesses
| - No audio is recorded; sound is analyzed and discarded in real time
- Runs entirely offline after first load with no uploads to servers
- Installs like a calculator app on your home screen for quick access
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 2 ● no change since last check | 4 ● no change since last check |
|---|
| Trust Flow (Majestic) | 8 | 8 |
|---|
| Citation Flow (Majestic) | 23 | 17 |
|---|
| Referring domains (Majestic) | 11 | 4 |
|---|
3 details filled in for both companies.
More alternatives to EarChord More alternatives to Polychrome Computer