AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
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GET /api/v3/apps/1493930943
{
"app_id": 1493930943,
"canonical_url": "https://appcorpus.com/apps/tuner-guitar-ukulele-violin-1493930943",
"identity": {
"name": "Tuner-Guitar,Ukulele,Violin",
"slug": "tuner-guitar-ukulele-violin",
"developer": {
"name": "梦莹 张",
"url": "https://appcorpus.com/developers/developer-908-developer_45a66d45d51ef770dfc5434d44b77302"
},
"icon_url": "https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/72/c5/14/72c51499-23e9-afab-8e2b-69b0665fbc3e/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg",
"stores": [
"apple"
],
"platforms": [
"iphone",
"ipad"
],
"status": {
"state": "active",
"label": "Active",
"last_checked": "2026-08-07",
"last_checked_label": "7 Aug 2026",
"banner": null,
"region_note": null
}
},
"listings": [
{
"store": "apple",
"status": "ACTIVE",
"url": "https://apps.apple.com/us/app/tuner-guitar-ukulele-violin/id1493930943?uo=4",
"rating": 4.9,
"rating_count": 171,
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": false,
"version": "2.7.1",
"updated": "2026-06-17",
"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": "2026-08-07",
"rows": [
"GuitarTuner吉他调音器无限制访问 — $7.99",
"音高课程无限制访问 — $0.99",
"音高课程无限制访问 — $14.99"
]
}
],
"screens": [
{
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"store": "apple",
"platform": "ipad",
"alt": "Tuner-Guitar,Ukulele,Violin ipad screenshot 1"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Tuner-Guitar,Ukulele,Violin ipad screenshot 2"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Tuner-Guitar,Ukulele,Violin ipad screenshot 3"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Tuner-Guitar,Ukulele,Violin ipad screenshot 4"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Tuner-Guitar,Ukulele,Violin ipad screenshot 5"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Tuner-Guitar,Ukulele,Violin ipad screenshot 6"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Tuner-Guitar,Ukulele,Violin ipad screenshot 7"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/db/2c/c9/db2cc95c-b133-71de-b6f3-574585d81106/1c638efe-3070-4111-ab81-3594782967e4_4.png/576x768bb.png",
"store": "apple",
"platform": "ipad",
"alt": "Tuner-Guitar,Ukulele,Violin ipad screenshot 8"
},
{
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"store": "apple",
"platform": "iphone",
"alt": "Tuner-Guitar,Ukulele,Violin iphone screenshot 9"
},
{
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"store": "apple",
"platform": "iphone",
"alt": "Tuner-Guitar,Ukulele,Violin iphone screenshot 10"
},
{
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"store": "apple",
"platform": "iphone",
"alt": "Tuner-Guitar,Ukulele,Violin iphone screenshot 11"
},
{
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"store": "apple",
"platform": "iphone",
"alt": "Tuner-Guitar,Ukulele,Violin iphone screenshot 12"
}
],
"ratings": [
{
"store": "apple",
"average": 4.9,
"count": 171,
"market": "us",
"observed_at": "2026-08-07",
"reviews": [
{
"rating": 5,
"title": "很好的调音器",
"body": "不错，首次使用是免费的",
"author": "OctagooN",
"date": "7 Aug 2026"
},
{
"rating": 5,
"title": "吉他调音",
"body": "很好用",
"author": "扣扣1688",
"date": "7 Aug 2026"
},
{
"rating": 5,
"title": "尤克里里",
"body": "很好用",
"author": "szrock66",
"date": "7 Aug 2026"
},
{
"rating": 5,
"title": "好用！",
"body": "而且是免费的 就是用着用着有时候弹出来让你充会员",
"author": "Zzoo-.",
"date": "7 Aug 2026"
},
{
"rating": 5,
"title": "免费 调音准确",
"body": "免费 调音准确",
"author": "c0o42",
"date": "7 Aug 2026"
}
]
}
],
"privacy": [
{
"store": "apple",
"declarations": [
{
"title": "Data Linked to You",
"detail": "App Functionality — Diagnostics — Crash Data",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "App Functionality — Diagnostics — Performance Data",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "App Functionality — Identifiers — Device ID",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "App Functionality — Other Data — Other Data Types",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "App Functionality — Usage Data — Advertising Data",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Third-Party Advertising — Diagnostics — Crash Data",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Third-Party Advertising — Diagnostics — Performance Data",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Third-Party Advertising — Identifiers — Device ID",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Third-Party Advertising — Other Data — Other Data Types",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Third-Party Advertising — Usage Data — Advertising Data",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Diagnostics",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Identifiers",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Other Data",
"source": "Developer declared"
},
{
"title": "Data 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"
},
{
"title": "Data Used to Track You",
"detail": "Usage Data — Advertising Data",
"source": "Developer declared"
},
{
"title": "Data Used to Track You",
"detail": "Usage Data",
"source": "Developer declared"
}
],
"accessibility": []
}
],
"changes": [
{
"store": "apple",
"version": "2.1.8",
"released_at": null,
"notes": "功能优化，提升用户体验。"
},
{
"store": "apple",
"version": "2.1.9",
"released_at": null,
"notes": "产品功能优化，提升用户体验"
},
{
"store": "apple",
"version": "2.2.0",
"released_at": null,
"notes": "优化听音识别，提升调音精准度"
},
{
"store": "apple",
"version": "2.2.1",
"released_at": null,
"notes": "优化听音识别，提升调音精准度"
},
{
"store": "apple",
"version": "2.3.0",
"released_at": null,
"notes": "产品功能优化，提升使用体验"
},
{
"store": "apple",
"version": "2.4.0",
"released_at": null,
"notes": "新增古筝变调功能，拇指琴调音功能 优化调音器识别算法，降低环境噪音干扰 优化弦乐器琴弦播放音效"
},
{
"store": "apple",
"version": "2.4.1",
"released_at": null,
"notes": "新增古筝变调功能，拇指琴调音功能 优化调音器识别算法，降低环境噪音干扰 优化弦乐器琴弦播放音效"
},
{
"store": "apple",
"version": "2.4.2",
"released_at": null,
"notes": "新增古筝变调功能，拇指琴调音功能 优化调音器识别算法，降低环境噪音干扰 优化弦乐器琴弦播放音效"
},
{
"store": "apple",
"version": "2.4.3",
"released_at": null,
"notes": "新增古筝变调功能，拇指琴调音功能 优化调音器识别算法，降低环境噪音干扰 优化弦乐器琴弦播放音效"
},
{
"store": "apple",
"version": "2.4.4",
"released_at": null,
"notes": "产品功能优化，提升使用体验"
},
{
"store": "apple",
"version": "2.4.5",
"released_at": null,
"notes": "产品功能优化，提升使用体验"
},
{
"store": "apple",
"version": "2.4.6",
"released_at": null,
"notes": "产品功能优化，提升使用体验"
},
{
"store": "apple",
"version": "2.4.7",
"released_at": null,
"notes": "产品功能优化，提升使用体验"
},
{
"store": "apple",
"version": "2.5.12",
"released_at": null,
"notes": "产品功能优化 提升使用体验"
},
{
"store": "apple",
"version": "2.5.13",
"released_at": null,
"notes": "产品功能优化 提升使用体验"
},
{
"store": "apple",
"version": "2.5.3",
"released_at": null,
"notes": "产品功能优化 提升使用体验"
},
{
"store": "apple",
"version": "2.5.5",
"released_at": null,
"notes": "产品功能优化 提升使用体验"
},
{
"store": "apple",
"version": "2.5.6",
"released_at": null,
"notes": "产品功能优化 提升使用体验"
},
{
"store": "apple",
"version": "2.5.7",
"released_at": null,
"notes": "产品功能优化 提升使用体验"
},
{
"store": "apple",
"version": "2.5.9",
"released_at": null,
"notes": "产品功能优化 提升使用体验"
}
],
"alternatives": [],
"evidence_summary": {
"index_state": "S1",
"evidence_level": 1,
"level_label": "Live store listing",
"indexable": true,
"last_verified_at": "2026-08-07",
"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": "guitartuner",
"label": "GuitarTuner吉他调音器无限制访问",
"kind": "unknown",
"status": "store_listed",
"prices": [
{
"storefront": "us",
"formatted": "$7.99",
"billing_period": null
}
],
"trial": null
},
{
"code": "plan",
"label": "音高课程无限制访问",
"kind": "unknown",
"status": "store_listed",
"prices": [
{
"storefront": "us",
"formatted": "$0.99",
"billing_period": null
},
{
"storefront": "us",
"formatted": "$14.99",
"billing_period": null
}
],
"trial": null
}
],
"features": [],
"unknown_features": [],
"data_cutoff": "7 Aug 2026"
}
}
