AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
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GET /api/v3/apps/577091690
{
"app_id": 577091690,
"canonical_url": "https://appcorpus.com/apps/piano-scales-chords-577091690",
"identity": {
"name": "Piano Scales & Chords",
"slug": "piano-scales-chords",
"developer": {
"name": "Learn To Master Ltd",
"url": "https://appcorpus.com/developers/learn-to-master-ltd-developer_5b1a397d63b37b50561c9c75c7f880e3"
},
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"apple"
],
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],
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"label": "Active",
"last_checked": "2026-08-06",
"last_checked_label": "6 Aug 2026",
"banner": null,
"region_note": null
}
},
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{
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"url": "https://apps.apple.com/us/app/piano-scales-chords/id577091690?uo=4",
"rating": 4.6,
"rating_count": 234,
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": false,
"version": "26.8",
"updated": "2026-07-20",
"currency": "USD"
}
],
"summary": {
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"summary": null,
"best_for": [],
"not_for": [],
"status": "fallback",
"at_a_glance": [
"From $2.49/mo",
"Free to download",
"In-app purchases"
]
},
"categories": {
"official": [
"Education",
"Music"
],
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{
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{
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{
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{
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}
],
"pricing": [
{
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"is_free": true,
"has_iap": true,
"has_subscription": false,
"currency": "USD",
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"last_verified": "2026-08-06",
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"Annual Premium Version — $3.99"
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}
],
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],
"ratings": [
{
"store": "apple",
"average": 4.6,
"count": 234,
"market": "us",
"observed_at": "2026-08-06",
"reviews": [
{
"rating": 5,
"title": "Colors",
"body": "Love everything of this app. However I would recommend to introduce a way to change the color palette. While it is immediate the difference between white and yellow highlighted keys, it is very difficult to me being able to distinguish between black and brown highlighted keys. Maybe introduce a color inversion: white to black and black to white if not possible to add a new more visible color. Thanks for the app!",
"author": "SuperPieruccio",
"date": "6 Aug 2026"
},
{
"rating": 5,
"title": "Simple, easy to use and effective.",
"body": "You hear and see what you play. It helps to sink it into your brain the way it is set up. What more do you want!? 5 stars. Thanks for making this.",
"author": "Sun Dragon Yoga",
"date": "6 Aug 2026"
},
{
"rating": 5,
"title": "Highly recommend",
"body": "Amazing app for piano players beginning to learn their scales and chords. Literally has every scale and chords and amazing learning game to help u memorize it",
"author": "gandjsk",
"date": "6 Aug 2026"
},
{
"rating": 2,
"title": "Selection of Key can’t be seen in dark mode",
"body": "I use dark mode on my phone and am unable to select a key or chord because the selection menu is a black font with a black background. If I turn off dark mode, I can easily see the selections, but I want to use dark mode on my phone.",
"author": "sb72908",
"date": "6 Aug 2026"
},
{
"rating": 5,
"title": "Perfect",
"body": "This app does everything you need, without extra nonsense. A++ exactly what I was looking for.",
"author": "杰福",
"date": "6 Aug 2026"
}
]
}
],
"privacy": [
{
"store": "apple",
"declarations": [
{
"title": "Data Not Linked to You",
"detail": "Analytics — Usage Data — Product Interaction",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "App Functionality — Diagnostics — Crash Data",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Third-Party Advertising — Identifiers — Device ID",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Diagnostics",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Identifiers",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Usage Data",
"source": "Developer declared"
},
{
"title": "Data Used to Track You",
"detail": "Identifiers — Device ID",
"source": "Developer declared"
},
{
"title": "Data Used to Track You",
"detail": "Identifiers",
"source": "Developer declared"
}
],
"accessibility": []
}
],
"changes": [
{
"store": "apple",
"version": "17.3.1",
"released_at": null,
"notes": "Improved Help pages"
},
{
"store": "apple",
"version": "17.4.1",
"released_at": null,
"notes": "Added support for the most popular languages Improved user experience in Licks exercise"
},
{
"store": "apple",
"version": "17.4.2",
"released_at": null,
"notes": "Improved Stability"
},
{
"store": "apple",
"version": "17.4.5",
"released_at": null,
"notes": "Compliance to new privacy policies"
},
{
"store": "apple",
"version": "17.5.2",
"released_at": null,
"notes": "More Solos and Licks Improved User Experience Option to choose a softer piano sound"
},
{
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"version": "17.6.1",
"released_at": null,
"notes": "Improved Soft Piano Sounds Improved UI"
},
{
"store": "apple",
"version": "17.7.1",
"released_at": null,
"notes": "Added option to change the focus key color Other UX Improvements"
},
{
"store": "apple",
"version": "18.0",
"released_at": null,
"notes": "Added Levels Added Enhanced Learning in Solos and Licks Enhanced Progress"
},
{
"store": "apple",
"version": "18.1",
"released_at": null,
"notes": "Added Inspiration Improved user experience"
},
{
"store": "apple",
"version": "18.2",
"released_at": null,
"notes": "Enhanced Recognition exercise to detect inverted chords"
},
{
"store": "apple",
"version": "18.3",
"released_at": null,
"notes": "Added new exercise Chord Jam where you can choose your own chord groupings."
},
{
"store": "apple",
"version": "18.4",
"released_at": null,
"notes": "Improved MIDI experience"
},
{
"store": "apple",
"version": "18.5",
"released_at": null,
"notes": "Added 9 More Instruments Improved Experience when using app as a reference tool"
},
{
"store": "apple",
"version": "18.5.1",
"released_at": null,
"notes": "Faster Loading Improved Stability"
},
{
"store": "apple",
"version": "18.6",
"released_at": null,
"notes": "Improved Stability and Improved User Experience on pressing the piano keys"
},
{
"store": "apple",
"version": "18.6.1",
"released_at": null,
"notes": "Improved Stability"
},
{
"store": "apple",
"version": "18.7",
"released_at": null,
"notes": "Added option to use app with a real piano. Bug Fixes"
},
{
"store": "apple",
"version": "26.0",
"released_at": null,
"notes": "Enhanced experience with a Real Piano Support for iOS 26"
},
{
"store": "apple",
"version": "26.1",
"released_at": null,
"notes": "Improved Sound Stability"
},
{
"store": "apple",
"version": "26.3",
"released_at": null,
"notes": "Improve Audio Quality"
}
],
"alternatives": [
{
"app_id": 1661550089,
"name": "Pianolytics - Learn Piano",
"url": "https://appcorpus.com/apps/pianolytics-learn-piano-1661550089",
"reason": "Same category + similar ratings"
},
{
"app_id": 1045907906,
"name": "PianoMate: Learn Piano & Notes",
"url": "https://appcorpus.com/apps/pianomate-learn-piano-notes-1045907906",
"reason": "Same category + similar ratings"
},
{
"app_id": 592398504,
"name": "Piano eTutor: learn piano",
"url": "https://appcorpus.com/apps/piano-etutor-learn-piano-592398504",
"reason": "Same category + similar ratings"
},
{
"app_id": 1282574364,
"name": "MyMusicTheory - Music Theory",
"url": "https://appcorpus.com/apps/mymusictheory-music-theory-1282574364",
"reason": "Same category + similar ratings"
},
{
"app_id": 1016751878,
"name": "Piano Marvel - Lessons & Music",
"url": "https://appcorpus.com/apps/piano-marvel-lessons-music-1016751878",
"reason": "Same category + similar ratings"
}
],
"evidence_summary": {
"index_state": "S1",
"evidence_level": 1,
"level_label": "Live store listing",
"indexable": true,
"last_verified_at": "2026-08-06",
"unknown_fields": [
"Independent summary has not been published yet."
],
"sources": [
"App Store"
]
},
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],
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{
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},
{
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"billing_period": "yearly"
}
],
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}
],
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],
"data_cutoff": "6 Aug 2026"
}
}
