Music Theory Companion

app.pg.scalechordprogression
FreeContains adsIn-app purchasesEveryone

Key numbers

5K+Installs
4.4 / 2.6KRating
May 24, 2018Released
Sep 30, 2026Updated

Listing text

Music theory, scales, chords, ear training & songwriting tool for all musicians

Unlock your musical potential with the Music Theory Companion app! This comprehensive tool is designed for musicians of all levels, from beginners to experienced composers. Whether you're into songwriting, music theory study, or want to improve your playing, this app is a goldmine. This app helps you develop your aural skills and relative pitch. It can help with improvisation, composition, arrangement, and inter…

Get this app from the API

curl -H "X-API-Key: $API_KEY" \
  "https://apiplay.net/api/v1/app?id=app.pg.scalechordprogression"
import requests

r = requests.get('https://apiplay.net/api/v1/app', params={'id': 'app.pg.scalechordprogression'},
                 headers={'X-API-Key': API_KEY}, timeout=30)
data = r.json()
const res = await fetch('https://apiplay.net/api/v1/app?id=app.pg.scalechordprogression', {
  headers: { 'X-API-Key': process.env.API_KEY },
});
const data = await res.json();
$ch = curl_init('https://apiplay.net/api/v1/app?id=app.pg.scalechordprogression');
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['X-API-Key: ' . getenv('API_KEY')]]);
$data = json_decode(curl_exec($ch), true);

1,000 free credits a month, no card needed. API reference

Screenshots

Fields in the API response

Package nameapp.pg.scalechordprogression
DeveloperPG App Studio
Developer websitepgappstudio.com
CategoryMusic & Audio
Installs (exact)706,749
Ratings2,588
Reviews171
PriceFree
In-app purchases$0.49 - $30.99 per item
AdsYes
Content ratingEveryone
Current version9.0.3
Requires Android7.0
ReleasedMay 24, 2018
Last updateSep 30, 2026
Record refreshedOct 28, 2026

Rating breakdown

52K
4178
3124
246
1225

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