AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
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GET /api/v3/apps/6789782801
{
"app_id": 6789782801,
"canonical_url": "https://appcorpus.com/apps/retune-guitar-tuner-6789782801",
"identity": {
"name": "Retune - Guitar Tuner",
"slug": "retune-guitar-tuner",
"developer": {
"name": "Creatix, LLC",
"url": "https://appcorpus.com/developers/creatix-llc-developer_11bc78aaf96edb0acdd35f03196af91f"
},
"icon_url": "https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/ac/0b/d0/ac0bd007-a5f2-062c-9af6-5be1e67853f5/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/512x512bb.jpg",
"stores": [
"apple"
],
"platforms": [
"iphone"
],
"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/retune-guitar-tuner/id6789782801?uo=4",
"rating": 5.0,
"rating_count": 2,
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": false,
"version": "2.0",
"updated": "2026-07-27",
"currency": "USD"
}
],
"summary": {
"one_liner": null,
"summary": null,
"best_for": [],
"not_for": [],
"status": "fallback",
"at_a_glance": [
"Free to download",
"In-app purchases"
]
},
"categories": {
"official": [
"Music",
"Utilities"
],
"appcorpus": [
{
"category_id": "music",
"label": "Music",
"url": "https://appcorpus.com/categories/music"
},
{
"category_id": "utilities",
"label": "Utilities",
"url": "https://appcorpus.com/categories/utilities"
}
]
},
"use_cases": [],
"features": [
{
"capability_id": "free_app",
"label": "Free app",
"availability": "yes",
"access_level": "free",
"scope": null,
"evidence": "Store published"
},
{
"capability_id": "in_app_purchases",
"label": "In-app purchases",
"availability": "yes",
"access_level": "free_limited",
"scope": null,
"evidence": "Store published"
}
],
"pricing": [
{
"store": "apple",
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": false,
"currency": "USD",
"market": "us",
"last_verified": "2026-08-06",
"rows": [
"Return Pro — $4.99"
]
}
],
"screens": [
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3e/47/5d/3e475d1b-7979-877b-2f2a-3b04c7dad976/03-presets.png/1284x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Retune - Guitar Tuner iphone screenshot 1"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/fb/ec/1c/fbec1ced-a840-2066-c708-4424dc3e0879/01-hero.png/1284x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Retune - Guitar Tuner iphone screenshot 2"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/25/dc/18/25dc18d3-09b3-9323-2214-f012a01c0456/05-lock.png/1284x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Retune - Guitar Tuner iphone screenshot 3"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/42/16/82/42168214-c02a-b7cd-abea-e483c57828ff/02-tunings.png/1284x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Retune - Guitar Tuner iphone screenshot 4"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/14/f5/26/14f52635-436c-4d3d-f86d-6531913c834a/04-metronome.png/1284x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Retune - Guitar Tuner iphone screenshot 5"
}
],
"ratings": [
{
"store": "apple",
"average": 5.0,
"count": 2,
"market": "us",
"observed_at": "2026-08-06",
"reviews": [
{
"rating": 5,
"title": "Exactly what I needed",
"body": "Great nifty little tuner!",
"author": "Aleks8",
"date": "6 Aug 2026"
}
]
}
],
"privacy": [
{
"store": "apple",
"declarations": [
{
"title": "Data Not Collected",
"detail": "",
"source": "Developer declared"
}
],
"accessibility": []
}
],
"changes": [
{
"store": "apple",
"version": "1.0",
"released_at": null,
"notes": ""
},
{
"store": "apple",
"version": "2.0",
"released_at": "2026-07-27",
"notes": "Retune 2.0 introduces Retune Pro, a one-time purchase that unlocks: - Custom tunings: build and save your own presets, synced across your devices - More instruments: 7-string guitar, bass, and ukulele - Metronome: clean, accurate, with tap tempo - Chromatic mode with A4 calibration (415 to 466 Hz) - String lock: pin the tuner to a single string Also new for everyone: - A pleasant chime when a string locks in tune, with four sounds to pick from (or turn it off in Tuner Settings) - Polish and stability improvements throughout The nine built-in tunings and the core tuner remain free, with no ads and no account required."
}
],
"alternatives": [
{
"app_id": 304731501,
"name": "Tempo - Metronome with Setlist",
"url": "https://appcorpus.com/apps/tempo-metronome-with-setlist-304731501",
"reason": "Same category + similar ratings"
},
{
"app_id": 1384053393,
"name": "Guitar Tab Maker",
"url": "https://appcorpus.com/apps/guitar-tab-maker-1384053393",
"reason": "Same category + similar ratings"
},
{
"app_id": 1484938666,
"name": "Cortex Cloud",
"url": "https://appcorpus.com/apps/cortex-cloud-1484938666",
"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": [
"us"
],
"selected": "us",
"note": null
},
"feature_events": {
"events": []
},
"features_slice": {
"plans": [
{
"code": "return-pro",
"label": "Return Pro",
"kind": "unknown",
"status": "store_listed",
"prices": [
{
"storefront": "us",
"formatted": "$4.99",
"billing_period": null
}
],
"trial": null
}
],
"features": [],
"unknown_features": [],
"data_cutoff": "6 Aug 2026"
}
}
