Apoku MCP provides app discovery, detailed cards, evidence, sources and screenshots where available. Unknown or conflicting prices stay explicit.
View JSON
GET /api/v3/apps/1147429690
{
"app_id": 1147429690,
"canonical_url": "https://appcorpus.com/apps/classical-guitar-tuner-basic-1147429690",
"identity": {
"name": "Classical Guitar Tuner Basic",
"slug": "classical-guitar-tuner-basic",
"developer": {
"name": "Pedro Daniel Macalupu Cumpen",
"url": "https://appcorpus.com/developers/pedro-daniel-macalupu-cumpen-developer_3d5641dd54cf8c73b0727710a1b8873e"
},
"icon_url": "https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/63/9b/3a/639b3a50-9632-762d-b1d2-ff831ba3d2ee/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": "2026-08-06",
"last_checked_label": "6 Aug 2026",
"banner": null,
"region_note": null,
"data_state": "stale",
"data_state_label": "Some store data may be out of date"
}
},
"listings": [
{
"store": "apple",
"status": "ACTIVE",
"url": "https://apps.apple.com/us/app/classical-guitar-tuner-basic/id1147429690?uo=4",
"rating": 4.5,
"rating_count": 409,
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": null,
"version": "8.4.5",
"updated": "2026-08-06",
"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"
},
{
"capability_id": "family_sharing",
"label": "Family Sharing",
"availability": "unknown",
"access_level": "unknown",
"scope": null,
"evidence": "Store published"
}
],
"pricing": [
{
"store": "apple",
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": null,
"currency": "USD",
"market": "es",
"last_verified": "2026-08-06",
"rows": [
"Advanced Settings",
"Metronome",
"Remove ads",
"Tuning Fork"
],
"state": "current"
}
],
"screens": [
{
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"store": "apple",
"platform": "ipad",
"alt": "Classical Guitar Tuner Basic ipad screenshot 1"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Classical Guitar Tuner Basic ipad screenshot 2"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Classical Guitar Tuner Basic ipad screenshot 3"
},
{
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"store": "apple",
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"alt": "Classical Guitar Tuner Basic ipad screenshot 4"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Classical Guitar Tuner Basic ipad screenshot 5"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Classical Guitar Tuner Basic ipad screenshot 6"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Classical Guitar Tuner Basic ipad screenshot 7"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Classical Guitar Tuner Basic ipad screenshot 8"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Classical Guitar Tuner Basic ipad screenshot 9"
},
{
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"store": "apple",
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"alt": "Classical Guitar Tuner Basic ipad screenshot 10"
},
{
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"store": "apple",
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"alt": "Classical Guitar Tuner Basic ipad screenshot 11"
},
{
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"store": "apple",
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"alt": "Classical Guitar Tuner Basic ipad screenshot 12"
},
{
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"store": "apple",
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"alt": "Classical Guitar Tuner Basic ipad screenshot 13"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Classical Guitar Tuner Basic ipad screenshot 14"
},
{
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"store": "apple",
"platform": "iphone",
"alt": "Classical Guitar Tuner Basic iphone screenshot 15"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/bc/5b/3b/bc5b3b05-d4ef-4bd5-09e4-8f17df5a3bb2/2Metronome.png/1320x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Classical Guitar Tuner Basic iphone screenshot 16"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/1b/8a/22/1b8a22f5-26c4-3eb2-c226-6ca87aba706b/4HalfStepDown.png/1320x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Classical Guitar Tuner Basic iphone screenshot 17"
},
{
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"store": "apple",
"platform": "iphone",
"alt": "Classical Guitar Tuner Basic iphone screenshot 18"
},
{
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"store": "apple",
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},
{
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"store": "apple",
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"alt": "Classical Guitar Tuner Basic iphone screenshot 20"
},
{
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"store": "apple",
"platform": "iphone",
"alt": "Classical Guitar Tuner Basic iphone screenshot 21"
}
],
"data_states": {
"screens": "current"
},
"ratings": [
{
"store": "apple",
"average": 4.5,
"count": 409,
"market": "es",
"observed_at": "2026-08-06",
"state": "current",
"reviews": [
{
"rating": 1,
"title": "AYFKM?",
"body": "Download it and fired it up. Got five strings tuned before a full-screen advertisement came on. I X’d out of that when I was able. The app stopped working. This took less than a minute to transpire. Fastest removal of an app I can think of. There are better tuners out there. Find one of them.",
"author": "I. Don T'care",
"date": "6 Aug 2026"
},
{
"rating": 1,
"title": "Pay for the app but still ads?",
"body": "Makes no sense why you would buy an app and get ads. Its very annoying and a waste of money. The app works great but the ads come in everytime you hit the proper tuning. Booooo",
"author": "Wolveyes",
"date": "6 Aug 2026"
},
{
"rating": 1,
"title": "Terrible",
"body": "I don’t even know if I’m tuning it right man! It’s not even helping if anything it’s taking it out of tune!",
"author": "hdancequeen",
"date": "6 Aug 2026"
},
{
"rating": 1,
"title": "Too many ads",
"body": "Ads are absolutely atrocious, always interrupting during tuning",
"author": "Kyle199201",
"date": "6 Aug 2026"
},
{
"rating": 1,
"title": "Can’t even hear the tuner",
"body": "I can’t here the tuner! I tried turning up the sound, But nothing worked! 😞",
"author": "lara lolypop",
"date": "6 Aug 2026"
}
]
}
],
"privacy": [
{
"store": "apple",
"declarations": [
{
"title": "Data Linked to You",
"detail": "Analytics — Identifiers — Device ID",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Third-Party Advertising — Identifiers — Device ID",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Identifiers",
"source": "Developer declared"
},
{
"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": "Analytics — Usage Data — Product Interaction",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Third-Party Advertising — Location — Coarse Location",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Diagnostics",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Location",
"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"
},
{
"title": "Data Used to Track You",
"detail": "Location — Coarse Location",
"source": "Developer declared"
},
{
"title": "Data Used to Track You",
"detail": "Location",
"source": "Developer declared"
}
],
"accessibility": []
}
],
"changes": [
{
"store": "apple",
"version": "7.9",
"released_at": null,
"notes": "· Optimization for the iPhone 15 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements"
},
{
"store": "apple",
"version": "7.9.1",
"released_at": null,
"notes": "· Optimization for the iPhone 15 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements"
},
{
"store": "apple",
"version": "7.9.2",
"released_at": null,
"notes": "· Optimization for the iPhone 15 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements"
},
{
"store": "apple",
"version": "7.9.3",
"released_at": null,
"notes": "· Optimization for the iPhone 15 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements"
},
{
"store": "apple",
"version": "7.9.4",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements"
},
{
"store": "apple",
"version": "7.9.5",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements"
},
{
"store": "apple",
"version": "7.9.6",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements"
},
{
"store": "apple",
"version": "7.9.7",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements"
},
{
"store": "apple",
"version": "7.9.8",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements"
},
{
"store": "apple",
"version": "7.9.9",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements"
},
{
"store": "apple",
"version": "8.1",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements and bug fixes"
},
{
"store": "apple",
"version": "8.1.1",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements and bug fixes"
},
{
"store": "apple",
"version": "8.1.2",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements and bug fixes"
},
{
"store": "apple",
"version": "8.1.3",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements and bug fixes"
},
{
"store": "apple",
"version": "8.1.4",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements and bug fixes"
},
{
"store": "apple",
"version": "8.1.5",
"released_at": null,
"notes": "· Optimization for the iPhone 16 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements and bug fixes"
},
{
"store": "apple",
"version": "8.1.6",
"released_at": null,
"notes": "· Optimization for the iPhone 17 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements and bug fixes"
},
{
"store": "apple",
"version": "8.1.7",
"released_at": null,
"notes": "· Optimization for the iPhone 17 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements and bug fixes"
},
{
"store": "apple",
"version": "8.3",
"released_at": null,
"notes": "· Metronome feature is free for a limited time — enjoy it! · Optimization for the iPhone 17 Pro Max, iPad Mini and latest iPads. · A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements and bug fixes"
},
{
"store": "apple",
"version": "8.4",
"released_at": null,
"notes": "· Metronome and Tuning Fork features are free for a limited time — enjoy them! · Optimization for the iPhone 17 Pro Max, iPad Mini and latest iPads. · A4 Calibration and Settings (as In-App Purchases). · Performance improvements and bug fixes."
}
],
"alternatives": [
{
"app_id": 1553432239,
"name": "Guitar Tuner＋",
"url": "https://appcorpus.com/apps/guitar-tuner-1553432239",
"reason": "Same category + similar ratings"
},
{
"app_id": 1413511646,
"name": "Acoustic Tuner",
"url": "https://appcorpus.com/apps/acoustic-tuner-1413511646",
"reason": "Same category + similar ratings"
},
{
"app_id": 1090819417,
"name": "Guitar Tuner: Bass and Ukulele",
"url": "https://appcorpus.com/apps/guitar-tuner-bass-and-ukulele-1090819417",
"reason": "Same category + similar ratings"
},
{
"app_id": 1546894160,
"name": "LunaTuna - Guitar Tuner",
"url": "https://appcorpus.com/apps/lunatuna-guitar-tuner-1546894160",
"reason": "Same category + similar ratings"
},
{
"app_id": 6449972752,
"name": "Guitar Tuner - LikeTones",
"url": "https://appcorpus.com/apps/guitar-tuner-liketones-6449972752",
"reason": "Same category + similar ratings"
},
{
"app_id": 662890455,
"name": "Guitar Tuner - Ukulele & Bass",
"url": "https://appcorpus.com/apps/guitar-tuner-ukulele-bass-662890455",
"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": [
"Apoku editorial summary has not been published yet."
],
"sources": [
"App Store"
]
},
"availability_markets": {
"live": [
"us"
],
"selected": "es",
"note": "No LIVE observation for ES yet."
},
"feature_events": {
"events": []
},
"features_slice": {
"plans": [
{
"code": "advanced-settings",
"label": "Advanced Settings",
"kind": "unknown",
"status": "store_listed",
"prices": [],
"trial": null
},
{
"code": "metronome",
"label": "Metronome",
"kind": "unknown",
"status": "store_listed",
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"trial": null
},
{
"code": "remove-ads",
"label": "Remove ads",
"kind": "unknown",
"status": "store_listed",
"prices": [],
"trial": null
},
{
"code": "tuning-fork",
"label": "Tuning Fork",
"kind": "unknown",
"status": "store_listed",
"prices": [],
"trial": null
}
],
"features": [],
"unknown_features": [],
"data_cutoff": "6 Aug 2026"
}
}
