AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
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GET /api/v3/apps/6743103559
{
"app_id": 6743103559,
"canonical_url": "https://appcorpus.com/apps/the-building-blocks-of-rock-6743103559",
"identity": {
"name": "The Building Blocks of Rock",
"slug": "the-building-blocks-of-rock",
"developer": {
"name": "GuitarViz LLC",
"url": "https://appcorpus.com/developers/guitarviz-llc-developer_f52a99c86ddd5abad1ccc9a9653d0b2b"
},
"icon_url": "https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/63/ec/46/63ec4604-a7f2-f19e-89cd-780eacad525c/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/512x512bb.jpg",
"stores": [
"apple"
],
"platforms": [
"iphone",
"ipad"
],
"status": {
"state": "active",
"label": "Active",
"last_checked": "2026-08-06",
"last_checked_label": "6 Aug 2026",
"banner": null,
"region_note": null
}
},
"listings": [
{
"store": "apple",
"status": "ACTIVE",
"url": "https://apps.apple.com/us/app/the-building-blocks-of-rock/id6743103559?uo=4",
"rating": 4.7,
"rating_count": 12,
"formatted_price": "$9.99",
"is_free": false,
"has_iap": false,
"has_subscription": false,
"version": "1.0",
"updated": "2025-10-09",
"currency": "USD"
}
],
"summary": {
"one_liner": null,
"summary": null,
"best_for": [],
"not_for": [],
"status": "fallback",
"at_a_glance": [
"$9.99"
]
},
"categories": {
"official": [
"Music",
"Education"
],
"appcorpus": [
{
"category_id": "music",
"label": "Music",
"url": "https://appcorpus.com/categories/music"
},
{
"category_id": "education",
"label": "Education",
"url": "https://appcorpus.com/categories/education"
}
]
},
"use_cases": [],
"features": [
{
"capability_id": "family_sharing",
"label": "Family Sharing",
"availability": "yes",
"access_level": "unknown",
"scope": "App Store",
"evidence": "Store published"
}
],
"pricing": [
{
"store": "apple",
"formatted_price": "$9.99",
"is_free": false,
"has_iap": false,
"has_subscription": false,
"currency": "USD",
"market": "us",
"last_verified": "2026-08-06",
"rows": [
"Price: $9.99"
]
}
],
"screens": [
{
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"store": "apple",
"platform": "ipad",
"alt": "The Building Blocks of Rock ipad screenshot 1"
},
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"alt": "The Building Blocks of Rock ipad screenshot 2"
},
{
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"alt": "The Building Blocks of Rock ipad screenshot 3"
},
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"store": "apple",
"platform": "ipad",
"alt": "The Building Blocks of Rock ipad screenshot 4"
},
{
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"alt": "The Building Blocks of Rock ipad screenshot 5"
},
{
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"store": "apple",
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"alt": "The Building Blocks of Rock ipad screenshot 6"
},
{
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"store": "apple",
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"alt": "The Building Blocks of Rock ipad screenshot 7"
},
{
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"store": "apple",
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},
{
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"store": "apple",
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"alt": "The Building Blocks of Rock ipad screenshot 9"
},
{
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"store": "apple",
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},
{
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},
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},
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},
{
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},
{
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},
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"store": "apple",
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"store": "apple",
"platform": "iphone",
"alt": "The Building Blocks of Rock iphone screenshot 17"
},
{
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"store": "apple",
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},
{
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"store": "apple",
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"alt": "The Building Blocks of Rock iphone screenshot 19"
},
{
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},
{
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},
{
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"store": "apple",
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"alt": "The Building Blocks of Rock iphone screenshot 22"
},
{
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"store": "apple",
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"alt": "The Building Blocks of Rock iphone screenshot 23"
},
{
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"store": "apple",
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}
],
"ratings": [
{
"store": "apple",
"average": 4.7,
"count": 12,
"market": "us",
"observed_at": "2026-08-06",
"reviews": [
{
"rating": 5,
"title": "Missing Puzzle Piece",
"body": "Most guitar lessons and apps are too specific (you learn one song but not how to apply it to others) or too general (scales that could apply to anything but don’t sound like what you want to play). THIS is the missing puzzle piece to help you see how rock is constructed on guitar, with usable chunks of chord/riffs that apply to lots of different songs and keys. Excellent!",
"author": "Berkepiano",
"date": "6 Aug 2026"
},
{
"rating": 5,
"title": "Simple, wonderful learning tool",
"body": "As someone who has been learning guitar for just under a year now, this app gives me exactly what I’m looking for in terms of just giving me the information I need to learn on my own, in a simple, easy way.",
"author": "Zugz56",
"date": "6 Aug 2026"
},
{
"rating": 5,
"title": "Fantastic app",
"body": "The app works perfectly!! So many different shapes and sounds, and the best part is no ads or subscriptions. Feels like a small fee for a service I’ll use for years. Thanks!",
"author": "lmcxxx1",
"date": "6 Aug 2026"
},
{
"rating": 5,
"title": "Great after CAGED and 7 Modes",
"body": "This app is just what I needed. My playing sounded like scales and this app takes me to the next level. I love it! Thank you for this!!!🙏",
"author": "OTTOMATICDOG",
"date": "6 Aug 2026"
},
{
"rating": 1,
"title": "App not working",
"body": "This app doesn’t work on my iPad, it attempts to open then abruptly shuts down.",
"author": "popatna",
"date": "6 Aug 2026"
}
]
}
],
"privacy": [
{
"store": "apple",
"declarations": [
{
"title": "Data Not Linked to You",
"detail": "Analytics — Diagnostics — Crash Data",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Analytics — Diagnostics — Performance Data",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Diagnostics",
"source": "Developer declared"
}
],
"accessibility": []
}
],
"changes": [
{
"store": "apple",
"version": "1.0",
"released_at": "2025-10-09",
"notes": ""
}
],
"alternatives": [
{
"app_id": 6740260732,
"name": "Triad Trainer for Guitar",
"url": "https://appcorpus.com/apps/triad-trainer-for-guitar-6740260732",
"reason": "Same category + similar ratings"
},
{
"app_id": 6749366918,
"name": "Metric Flow",
"url": "https://appcorpus.com/apps/metric-flow-6749366918",
"reason": "Same category + similar ratings"
},
{
"app_id": 6772830721,
"name": "Guitar Triad Trainer: Chords",
"url": "https://appcorpus.com/apps/guitar-triad-trainer-chords-6772830721",
"reason": "Same category + similar ratings"
},
{
"app_id": 6670145101,
"name": "Guitargate Teleport",
"url": "https://appcorpus.com/apps/guitargate-teleport-6670145101",
"reason": "Same category + similar ratings"
},
{
"app_id": 6737443921,
"name": "Resolve: Reactive Ear Training",
"url": "https://appcorpus.com/apps/resolve-reactive-ear-training-6737443921",
"reason": "Same category + similar ratings"
},
{
"app_id": 1537057699,
"name": "Solo - Fretboard Visualization",
"url": "https://appcorpus.com/apps/solo-fretboard-visualization-1537057699",
"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"
]
},
"availability_markets": {
"live": [
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],
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"note": null
},
"feature_events": {
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},
"features_slice": {
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"features": [],
"unknown_features": [
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],
"data_cutoff": "6 Aug 2026"
}
}
