AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
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GET /api/v3/apps/6751228637
{
"app_id": 6751228637,
"canonical_url": "https://appcorpus.com/apps/pitchmonitor-vocal-visual-6751228637",
"identity": {
"name": "PitchMonitor - Vocal Visual",
"slug": "pitchmonitor-vocal-visual",
"developer": {
"name": "Weijyun Jhou",
"url": "https://appcorpus.com/developers/weijyun-jhou-developer_01a6d174be9057de50bf1427c12cd7b6"
},
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"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": [
{
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"status": "ACTIVE",
"url": "https://apps.apple.com/us/app/pitchmonitor-vocal-visual/id6751228637?uo=4",
"rating": 5.0,
"rating_count": 1,
"formatted_price": "Free",
"is_free": true,
"has_iap": false,
"has_subscription": false,
"version": "2.4.1",
"updated": "2026-05-29",
"currency": "USD"
}
],
"summary": {
"one_liner": null,
"summary": null,
"best_for": [],
"not_for": [],
"status": "fallback",
"at_a_glance": [
"Free to download"
]
},
"categories": {
"official": [
"Music"
],
"appcorpus": [
{
"category_id": "music",
"label": "Music",
"url": "https://appcorpus.com/categories/music"
}
]
},
"use_cases": [],
"features": [
{
"capability_id": "free_app",
"label": "Free app",
"availability": "yes",
"access_level": "free",
"scope": null,
"evidence": "Store published"
}
],
"pricing": [
{
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"formatted_price": "Free",
"is_free": true,
"has_iap": false,
"has_subscription": false,
"currency": "USD",
"market": "us",
"last_verified": "2026-08-06",
"rows": [
"Free"
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}
],
"screens": [
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},
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"store": "apple",
"platform": "iphone",
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}
],
"ratings": [
{
"store": "apple",
"average": 5.0,
"count": 1,
"market": "us",
"observed_at": "2026-08-06",
"reviews": []
}
],
"privacy": [
{
"store": "apple",
"declarations": [
{
"title": "Data Linked to You",
"detail": "Analytics — Identifiers — Device ID",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Analytics — Location — Coarse Location",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Analytics — Usage Data — Advertising Data",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Analytics — Usage Data — Product Interaction",
"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 — Location — Coarse Location",
"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": "Third-Party Advertising — Usage Data — Product Interaction",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Identifiers",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Location",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Usage Data",
"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": "Third-Party Advertising — Diagnostics — Crash Data",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Third-Party Advertising — Diagnostics — Performance Data",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Diagnostics",
"source": "Developer declared"
},
{
"title": "Data Used to Track You",
"detail": "Diagnostics — Crash Data",
"source": "Developer declared"
},
{
"title": "Data Used to Track You",
"detail": "Diagnostics — Performance Data",
"source": "Developer declared"
},
{
"title": "Data Used to Track You",
"detail": "Diagnostics",
"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"
},
{
"title": "Data Used to Track You",
"detail": "Usage Data — Advertising Data",
"source": "Developer declared"
},
{
"title": "Data Used to Track You",
"detail": "Usage Data — Product Interaction",
"source": "Developer declared"
},
{
"title": "Data Used to Track You",
"detail": "Usage Data",
"source": "Developer declared"
}
],
"accessibility": []
}
],
"changes": [
{
"store": "apple",
"version": "1.0",
"released_at": null,
"notes": ""
},
{
"store": "apple",
"version": "1.1.0",
"released_at": null,
"notes": "- Improved pitch detection accuracy for music and vocal analysis - Enhanced settings with clearer mode descriptions - Better performance and stability improvements"
},
{
"store": "apple",
"version": "1.2.0",
"released_at": null,
"notes": "- Tuner HUD A handy new tuner view that shows your current note and frequency in real time. - Performance General polish and performance tweaks for a smoother, more reliable experience."
},
{
"store": "apple",
"version": "1.2.1",
"released_at": null,
"notes": "- Stability Fix Resolved a rare crash that could occur shortly after starting a recording. - Korean The app is now available in Korean."
},
{
"store": "apple",
"version": "2.0.0",
"released_at": null,
"notes": "Introducing Dual — a new mode that lets you sing along with a reference track and see your pitch compared in real time. - Dual mode — Load any audio file as a reference track, sing into the mic, and watch both pitch lines overlaid on screen - Cents meter — See exactly how far off your pitch is from the reference, in cents - File analysis overhaul — Audio files are now pre-analyzed before playback for smoother, more accurate pitch tracking - Seekbar — Jump to any point in a file during analysis - Improved pitch detection — Reduced sub-octave errors for more reliable readings"
},
{
"store": "apple",
"version": "2.1.0",
"released_at": null,
"notes": "More Accurate Results You can now use songs with full backing tracks — the app automatically focuses on the vocals, so your score reflects how closely you match the singer, not the instruments. Bug Fixes & Stability Improvements"
},
{
"store": "apple",
"version": "2.1.1",
"released_at": null,
"notes": "Faster Analysis Song analysis is now significantly faster and easier on your battery — we moved the heavy work to Apple's Neural Engine on supported devices. - Bug Fixes - Stability Improvements"
},
{
"store": "apple",
"version": "2.2.0",
"released_at": null,
"notes": "- Practice Report — get a detailed score the moment you finish singing Three-dimensional rating: pitch accuracy, stability, and long-tone control Overlay your performance against the reference track for instant comparison - Practice History — every session is saved automatically"
},
{
"store": "apple",
"version": "2.3.0",
"released_at": null,
"notes": "- Microphone Input Controls — dial in your mic before you sing New input volume slider in Settings with a live level meter See exactly how loud you are coming through in real time - Customizable Pitch Line — make the visualization yours Adjust line thickness to your preference Pairs with the existing line color picker - On-Pitch Resonance Band — instantly see when you nail the note in Dual Track A glowing band lights up the moment your pitch matches the reference Toggle the highlight on or off in Settings - Redesigned Settings — easier to find what you need Reorganized into Sound, General, Dual, and About sections Quick links to rate or share the app - Bluetooth Headphone Support — practice with your AirPods on Reference track plays through Bluetooth in high-quality stereo Built-in mic stays as the input for accurate pitch detection"
},
{
"store": "apple",
"version": "2.4.0",
"released_at": null,
"notes": "- Key Transpose — sing any song in a range that fits you Shift the Dual Track reference up or down by semitones The pitch guide and scoring follow your chosen key - On-Pitch Combo — build a streak as you nail each note A live combo counter with Perfect / Good feedback in Dual Track Toggle the combo display on or off in Settings - Input Device Selection — choose your microphone Pick which input device to use in Settings Handy when you connect a wired or USB microphone - Smoother & More Accurate — polish across the board Tighter timing between your voice and the reference track More reliable practice scoring and steadier playback"
},
{
"store": "apple",
"version": "2.4.1",
"released_at": "2026-05-29",
"notes": "- Smoother seek bar in File Analysis - Stability improvements"
},
{
"store": "apple",
"version": "2.4.2",
"released_at": null,
"notes": "- Keep the screen on while practicing The display no longer sleeps in the middle of a song On by default — turn it off in Settings - Recovers on its own after calls and alarms Live, File and Dual Track resume once the interruption ends - Faster pause and resume in Dual Track - Fixed: your voice track could stop updating in Dual Track after visiting the Live tab - Fixed: switching songs could show the previous song's analysis"
}
],
"alternatives": [
{
"app_id": 6744618279,
"name": "Pitch Diagram: Vocal Tuner",
"url": "https://appcorpus.com/apps/pitch-diagram-vocal-tuner-6744618279",
"reason": "Same category + similar ratings"
},
{
"app_id": 6762633130,
"name": "SingTuner: Vocal Pitch Monitor",
"url": "https://appcorpus.com/apps/singtuner-vocal-pitch-monitor-6762633130",
"reason": "Same category + similar ratings"
},
{
"app_id": 6758098531,
"name": "Vocal Pitch Monitor Track Note",
"url": "https://appcorpus.com/apps/vocal-pitch-monitor-track-note-6758098531",
"reason": "Same category + similar ratings"
},
{
"app_id": 6478816955,
"name": "AudioPitch: Pitch Monitor",
"url": "https://appcorpus.com/apps/audiopitch-pitch-monitor-6478816955",
"reason": "Same category + similar ratings"
},
{
"app_id": 6749875369,
"name": "Pitchy - Sing On Pitch",
"url": "https://appcorpus.com/apps/pitchy-sing-on-pitch-6749875369",
"reason": "Same category + similar ratings"
},
{
"app_id": 1212118228,
"name": "OnPitch - Vocal Pitch Monitor",
"url": "https://appcorpus.com/apps/onpitch-vocal-pitch-monitor-1212118228",
"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": "free",
"label": "Free",
"kind": "free",
"status": "inferred",
"prices": [],
"trial": null
}
],
"features": [],
"unknown_features": [],
"data_cutoff": "6 Aug 2026"
}
}
