AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
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GET /api/v3/apps/6738853317
{
"app_id": 6738853317,
"canonical_url": "https://appcorpus.com/apps/sight-singing-studio-solfege-6738853317",
"identity": {
"name": "Sight Singing Studio: Solfege",
"slug": "sight-singing-studio-solfege",
"developer": {
"name": "Deeryard LLC",
"url": "https://appcorpus.com/developers/deeryard-llc-developer_f80d76766b8e945cdffc7de81c324471"
},
"icon_url": "https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/15/d0/2e/15d02eae-4cce-79bd-86d2-bc1fff00f744/AppIcon_StudioNeon-0-0-1x_U007epad-0-1-0-sRGB-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
}
},
"listings": [
{
"store": "apple",
"status": "ACTIVE",
"url": "https://apps.apple.com/us/app/sight-singing-studio-solfege/id6738853317?uo=4",
"rating": 5.0,
"rating_count": 1,
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": true,
"version": "2026.53",
"updated": "2026-07-26",
"currency": "USD"
}
],
"summary": {
"one_liner": null,
"summary": null,
"best_for": [],
"not_for": [],
"status": "fallback",
"at_a_glance": [
"Free download · core features require a paid plan",
"In-app purchases",
"From $9.99/mo"
]
},
"categories": {
"official": [
"Education",
"Music"
],
"appcorpus": [
{
"category_id": "education",
"label": "Education",
"url": "https://appcorpus.com/categories/education"
},
{
"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"
},
{
"capability_id": "in_app_purchases",
"label": "In-app purchases",
"availability": "yes",
"access_level": "free_limited",
"scope": null,
"evidence": "Store published"
},
{
"capability_id": "subscription",
"label": "Subscription",
"availability": "yes",
"access_level": "paid",
"scope": null,
"evidence": "Store published"
}
],
"pricing": [
{
"store": "apple",
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": true,
"currency": "USD",
"market": "es",
"last_verified": "2026-08-06",
"rows": [
"Studio Premium Access — $9.99/month (derived from the IAP title)",
"Studio Premium Access — $99.99/year ($8.33/mo) (derived from the IAP title)"
]
}
],
"screens": [
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d8/6c/ae/d86cae05-aee7-89c9-5823-9ff6efe0744a/iPadOS_EN_1.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 1"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 2"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 3"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 4"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 5"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 6"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 7"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 8"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 9"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 10"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 11"
},
{
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"store": "apple",
"platform": "ipad",
"alt": "Sight Singing Studio: Solfege ipad screenshot 12"
},
{
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"store": "apple",
"platform": "iphone",
"alt": "Sight Singing Studio: Solfege iphone screenshot 13"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/df/b1/ad/dfb1adf2-c9be-6e1e-18df-91e0e0eb4869/iOS_EN_2.png/1600x1242bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Sight Singing Studio: Solfege iphone screenshot 14"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/4f/a3/3c/4fa33c05-83e6-a205-a397-e7d7e013dbb1/iOS_EN_3.png/1600x1242bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Sight Singing Studio: Solfege iphone screenshot 15"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/74/cc/45/74cc4546-0860-40b1-6ea8-d67282579068/iOS_EN_4.png/1600x1242bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Sight Singing Studio: Solfege iphone screenshot 16"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/af/6b/ac/af6bacce-2cbb-0d94-f46e-0b21c54e457b/iOS_Neon_5.png/1600x1242bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Sight Singing Studio: Solfege iphone screenshot 17"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d5/c9/66/d5c966e7-ab7b-dee9-3f35-816340e52ed8/iOS_EN_6.png/1600x1242bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Sight Singing Studio: Solfege iphone screenshot 18"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f1/63/3c/f1633c6e-01c0-2ab0-621b-c348dcb7937f/main_image_1_EN.png/1600x1600bb.jpg",
"store": "apple",
"platform": "mac",
"alt": "Sight Singing Studio: Solfege mac screenshot 19"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/4f/59/33/4f593308-cb0e-3df9-889d-26c3121d63d9/studio_main.png/1600x1600bb.jpg",
"store": "apple",
"platform": "mac",
"alt": "Sight Singing Studio: Solfege mac screenshot 20"
}
],
"ratings": [
{
"store": "apple",
"average": 5.0,
"count": 1,
"market": "es",
"observed_at": "2026-08-06",
"reviews": []
}
],
"privacy": [
{
"store": "apple",
"declarations": [
{
"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 — Identifiers — Device ID",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Analytics — Location — Coarse Location",
"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": "Diagnostics",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Identifiers",
"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"
}
],
"accessibility": []
}
],
"changes": [
{
"store": "apple",
"version": "2026.27",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.29",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.30",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.32",
"released_at": null,
"notes": "- Supports Liquid Glass."
},
{
"store": "apple",
"version": "2026.33",
"released_at": null,
"notes": "- Enables the rendering of dynamics including crescendos and decrescendos."
},
{
"store": "apple",
"version": "2026.34",
"released_at": null,
"notes": "- Adds support for a wider variety of tuplets to help you capture more complex rhythms."
},
{
"store": "apple",
"version": "2026.35",
"released_at": null,
"notes": "- Adds the control for dynamics."
},
{
"store": "apple",
"version": "2026.36",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.37",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.38",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.39",
"released_at": null,
"notes": "- Adds support for two-part sheet music."
},
{
"store": "apple",
"version": "2026.40",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.41",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.42",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.43",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.44",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.45",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.46",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.47",
"released_at": null,
"notes": "Reliability Update: We’ve spent this cycle focusing on the foundation of the app. While you won’t see new buttons or colors, we’ve optimized our core processes to ensure a smoother, more reliable experience."
},
{
"store": "apple",
"version": "2026.48",
"released_at": null,
"notes": "- UI improvements and visual refinements to keep your daily practice experience smooth and beautiful."
}
],
"alternatives": [
{
"app_id": 885622580,
"name": "MyEarTraining - Ear Trainer",
"url": "https://appcorpus.com/apps/myeartraining-ear-trainer-885622580",
"reason": "Same category + similar ratings"
},
{
"app_id": 502780186,
"name": "Erol Singer's Studio",
"url": "https://appcorpus.com/apps/erol-singer-s-studio-502780186",
"reason": "Same category + similar ratings"
},
{
"app_id": 1282574364,
"name": "MyMusicTheory - Music Theory",
"url": "https://appcorpus.com/apps/mymusictheory-music-theory-1282574364",
"reason": "Same category + similar ratings"
},
{
"app_id": 6504427417,
"name": "Singing Lessons: Learn to Sing",
"url": "https://appcorpus.com/apps/singing-lessons-learn-to-sing-6504427417",
"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": "es",
"note": "No LIVE observation for ES yet."
},
"feature_events": {
"events": []
},
"features_slice": {
"plans": [
{
"code": "studio-premium-access",
"label": "Studio Premium Access",
"kind": "subscription",
"status": "store_verified",
"prices": [
{
"storefront": "us",
"formatted": "$9.99",
"billing_period": "monthly"
},
{
"storefront": "us",
"formatted": "$99.99",
"billing_period": "yearly"
}
],
"trial": null
}
],
"features": [],
"unknown_features": [],
"data_cutoff": "6 Aug 2026"
}
}
