AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
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GET /api/v3/apps/6758322365
{
"app_id": 6758322365,
"canonical_url": "https://appcorpus.com/apps/opentuner-guitar-more-6758322365",
"identity": {
"name": "OpenTuner: Guitar & More",
"slug": "opentuner-guitar-more",
"developer": {
"name": "Jason Kalili",
"url": "https://appcorpus.com/developers/jason-kalili-developer_21f2862d68e77219766df283bdebdf92"
},
"icon_url": "https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/66/41/29/6641293c-adb5-5c8f-c2d9-e3a81e8ee675/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/512x512bb.jpg",
"stores": [
"apple"
],
"platforms": [
"iphone"
],
"status": {
"state": "active",
"label": "Active",
"last_checked": "2026-08-07",
"last_checked_label": "7 Aug 2026",
"banner": null,
"region_note": null
}
},
"listings": [
{
"store": "apple",
"status": "ACTIVE",
"url": "https://apps.apple.com/us/app/opentuner-guitar-more/id6758322365?uo=4",
"rating": 5.0,
"rating_count": 13,
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": false,
"version": "1.6",
"updated": "2026-07-13",
"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": [
"Keep It Going — $9.99",
"Quick Thanks — $0.99",
"Support OpenTuner — $3.99"
]
}
],
"screens": [
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/09/6a/11/096a1162-2638-d6f7-f122-0ea63b566538/main-green.png/1320x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "OpenTuner: Guitar & More iphone screenshot 1"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c2/b1/76/c2b1763c-5b14-e39e-b475-e33ffdf45a78/metronome-green.png/1320x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "OpenTuner: Guitar & More iphone screenshot 2"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/52/94/a2/5294a244-95da-ff4c-e99d-414cb58d9cdf/instruments-green.png/1320x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "OpenTuner: Guitar & More iphone screenshot 3"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/64/33/c2/6433c268-ea6d-68b1-7adc-604e3d941fa8/custom-green.png/1320x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "OpenTuner: Guitar & More iphone screenshot 4"
}
],
"ratings": [
{
"store": "apple",
"average": 5.0,
"count": 13,
"market": "us",
"observed_at": "2026-08-07",
"reviews": [
{
"rating": 5,
"title": "Great App!",
"body": "This tuner app has been super helpful while I’m learning guitar. It’s really easy to use and tunes my guitar quickly without any hassle. Makes practicing way easier when I know my guitar actually sounds right. Definitely recommend it.",
"author": "james.matthew",
"date": "7 Aug 2026"
},
{
"rating": 5,
"title": "Simple, no fuss tuner",
"body": "Hands down the best looking guitar tuner on the App Store. I’ve been using this app for a few weeks now and deleted all the other tuner apps I installed. The built-in metronome is also great. Best of all, there are no annoying pop-ups or ads!",
"author": "EarthlyAzure",
"date": "7 Aug 2026"
},
{
"rating": 5,
"title": "Finally something easy",
"body": "I was so tired of other tuners and metronomes having ads and being clunky. Works great and isn’t too busy.",
"author": "Jakepress123",
"date": "7 Aug 2026"
},
{
"rating": 5,
"title": "OpenTuner",
"body": "Finally someone came up with a tuner app without annoying apps. Very accurate and easy to use",
"author": "NoushTab",
"date": "7 Aug 2026"
},
{
"rating": 5,
"title": "Thanks for trying OpenTuner!",
"body": "Hope you love it. Please reach out if you have any feature requests!",
"author": "Jason Kalili",
"date": "7 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": "1.1",
"released_at": null,
"notes": "- Improved new Metronome (30–240 BPM, Tap Tempo, time signatures, accented downbeat). - Added a live pitch trail and refined indicator behavior. - Polished modal/UI consistency and overall performance improvements."
},
{
"store": "apple",
"version": "1.2",
"released_at": null,
"notes": "- Improved tuning algorithm/idle - Added support for bass, ukulele, and banjo - Metronome Improvements - UI Bugfix"
},
{
"store": "apple",
"version": "1.3",
"released_at": null,
"notes": "- Added main screen toggle for manual/auto detection modes - Added support OpenTuner for donations to keep OpenTuner free and ad free - Improved tuning algorithm"
},
{
"store": "apple",
"version": "1.4",
"released_at": null,
"notes": "- Added ways to support OpenTuner"
},
{
"store": "apple",
"version": "1.5",
"released_at": null,
"notes": "- New app icon"
},
{
"store": "apple",
"version": "1.6",
"released_at": "2026-07-13",
"notes": "- Updated Icon"
}
],
"alternatives": [
{
"app_id": 6789707380,
"name": "Guitar Tuner: Kanade",
"url": "https://appcorpus.com/apps/guitar-tuner-kanade-6789707380",
"reason": "Same category + similar ratings"
}
],
"evidence_summary": {
"index_state": "S1",
"evidence_level": 1,
"level_label": "Live store listing",
"indexable": true,
"last_verified_at": "2026-08-07",
"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": "keep-it-going",
"label": "Keep It Going",
"kind": "unknown",
"status": "store_listed",
"prices": [
{
"storefront": "us",
"formatted": "$9.99",
"billing_period": null
}
],
"trial": null
},
{
"code": "quick-thanks",
"label": "Quick Thanks",
"kind": "unknown",
"status": "store_listed",
"prices": [
{
"storefront": "us",
"formatted": "$0.99",
"billing_period": null
}
],
"trial": null
},
{
"code": "support-opentuner",
"label": "Support OpenTuner",
"kind": "unknown",
"status": "store_listed",
"prices": [
{
"storefront": "us",
"formatted": "$3.99",
"billing_period": null
}
],
"trial": null
}
],
"features": [],
"unknown_features": [],
"data_cutoff": "7 Aug 2026"
}
}
