AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
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GET /api/v3/apps/1551925812
{
"app_id": 1551925812,
"canonical_url": "https://appcorpus.com/apps/composer-pro-sheet-music-maker-1551925812",
"identity": {
"name": "Composer Pro-Sheet Music Maker",
"slug": "composer-pro-sheet-music-maker",
"developer": {
"name": "嵩 张",
"url": "https://appcorpus.com/developers/developer-250-developer_8b4617f6a597091ab70e511d72a1a665"
},
"icon_url": "https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/dc/cf/fc/dccffc62-aecb-15c9-b588-173e1ae5a3a7/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": "2026-08-05",
"last_checked_label": "5 Aug 2026",
"banner": null,
"region_note": null
}
},
"listings": [
{
"store": "apple",
"status": "ACTIVE",
"url": "https://apps.apple.com/us/app/composer-pro-sheet-music-maker/id1551925812?uo=4",
"rating": 4.5,
"rating_count": 669,
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": false,
"version": "2.0.3",
"updated": "2026-08-01",
"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": "2026-08-05",
"rows": [
"Pro Access — $9.99",
"Pro Access — $49.99",
"Unlimited Access — $6.99"
]
}
],
"screens": [
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/b6/82/00/b6820039-f7d0-3233-ae70-6d122df52891/tns.hdiwkomo.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Composer Pro-Sheet Music Maker ipad screenshot 1"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/ff/a9/44/ffa9447d-6019-d01c-3f81-a49c694ab1fc/977c3071-a2b6-4f8d-8386-fd0c35b425d4_Simulator_Screen_Shot_-_iPad_Pro__U002812.9-inch_U0029__U00285th_generation_U0029_-_2021-12-18_at_18.04.21.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Composer Pro-Sheet Music Maker ipad screenshot 2"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/c6/b9/4b/c6b94b55-7ff4-cf48-881c-a687b6000bdc/69da6807-48e0-4ebd-93c5-29d84c57253d_Simulator_Screen_Shot_-_iPad_Pro__U002812.9-inch_U0029__U00285th_generation_U0029_-_2021-12-18_at_18.08.43.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Composer Pro-Sheet Music Maker ipad screenshot 3"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/31/a6/13/31a613f6-5a88-6930-a964-60f8e4a4d8da/tns.hnnpariw.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Composer Pro-Sheet Music Maker ipad screenshot 4"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/49/04/9e/49049e9c-6afb-a310-cebf-acf4507d4cd5/tns.kuvtcidk.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Composer Pro-Sheet Music Maker ipad screenshot 5"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/62/f9/fb/62f9fbd5-2dc1-238f-2c6d-6a16396231b4/tns.niquuvkj.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Composer Pro-Sheet Music Maker ipad screenshot 6"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/80/dd/c6/80ddc670-b23f-41d0-ca53-a0a2f4a56dfe/tns.oahrdkhi.png/1284x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Composer Pro-Sheet Music Maker iphone screenshot 7"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/f2/34/3b/f2343bd3-9a17-d0e5-b86c-add11b8ecb49/424c0c74-e442-42d6-b372-e1a47ee5c4ac_Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2023-05-29_at_01.37.40.png/1242x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Composer Pro-Sheet Music Maker iphone screenshot 8"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/71/fd/5e/71fd5e51-8ebc-3c81-d491-1fca5eb94901/aabadb8a-0de2-46c5-b22a-b8c37aaf2173_Simulator_Screen_Shot_-_iPhone_13_Pro_Max_-_2021-12-18_at_17.45.55.png/1284x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Composer Pro-Sheet Music Maker iphone screenshot 9"
},
{
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"store": "apple",
"platform": "iphone",
"alt": "Composer Pro-Sheet Music Maker iphone screenshot 10"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/ac/b6/6f/acb66ff2-8997-5826-a878-b72a38d07386/tns.uprpvowc.png/1284x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Composer Pro-Sheet Music Maker iphone screenshot 11"
},
{
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"store": "apple",
"platform": "iphone",
"alt": "Composer Pro-Sheet Music Maker iphone screenshot 12"
}
],
"ratings": [
{
"store": "apple",
"average": 4.5,
"count": 669,
"market": "us",
"observed_at": "2026-08-05",
"reviews": [
{
"rating": 4,
"title": "Amazing app that could use tweaking.",
"body": "This app is incredibly useful and fun. There are so many things to like about it. I only have two requests that would make this app better. 1. Add a percussive line. If we could get percussion instruments like bass drum or a snare drum. Maybe even triangle, tambourine, or wind chimes. While these don’t have notes, they’re still part of an ensemble and it would be really cool. It would be simple. It’s just the notes, no staff. Just one line with whole, half, quarter, eight, and sixteenth notes. 2. Up the limit from 8. Many symphonies and ensembles have more than 10 instruments. If the limit was upped to like 20 or so, it would be a big help and make this app even better.",
"author": "Thisisdefnotausername",
"date": "5 Aug 2026"
},
{
"rating": 5,
"title": "Has almost all dynamics",
"body": "Tempo can not be changed and key Signatures can not be added at the place near the Clefs unless in premium which is $6.00 weekly! There are other music writer apps by this company? I wonder can a written score of mine be transferred onto another one of their song writer app?",
"author": "InaKalimba",
"date": "5 Aug 2026"
},
{
"rating": 1,
"title": "Annoying",
"body": "Does much of what I’d like it to… What I can’t find is a way to adjust the tempo or number of measures in a score. I am trying everything to try and find a hidden toolbar or settings menu in the score that would have this functionality. In that hunt I thought of changing the background color to see if anything sticks out. The functionality of changing the background color is blocked unless I give a 5-star review of the app. Not gonna happen.",
"author": "JustAn0pinion",
"date": "5 Aug 2026"
},
{
"rating": 4,
"title": "↑↓ buttons requested",
"body": "Could you please, please find a way to squeeze in the \"move (note) up\" and \"move (note) down\" buttons on the keyboard? I'm just this close to becoming a lifetime user, but the absence of that functionality has really brought a lot of pain to my eyeballs Also would you also add the piano keyboard interface? Much faster and more intuitive for chord inputs. I'd pay double for that...",
"author": "Lynne Y. Lee",
"date": "5 Aug 2026"
},
{
"rating": 3,
"title": "Quick question",
"body": "Hi, I’m only giving this a three star rating at the moment because I literally just downloaded it a few minutes ago and haven’t gotten to check out all the features yet, but I had a question. A song that I am trying to compose sheet music for by ear is in treble/treble, not the standard treble/bass, and I was wondering if there was a way to alter that as well, like how you’re able to change the different tempo, time signature, key signature, and such according to your needs. This seemed like the best app for me to be able to do what I wanted to do, but I can’t do it without having double clefs. Thank you!",
"author": "Z0D14C_68",
"date": "5 Aug 2026"
}
]
}
],
"privacy": [
{
"store": "apple",
"declarations": [
{
"title": "Data Not Collected",
"detail": "",
"source": "Developer declared"
}
],
"accessibility": [
{
"title": "Dark Interface",
"detail": "SUPPORTED",
"source": "Store published"
}
]
}
],
"changes": [
{
"store": "apple",
"version": "1.0.0",
"released_at": null,
"notes": ""
},
{
"store": "apple",
"version": "1.0.1",
"released_at": null,
"notes": "- Keep holding on delete button to delete more notes. - Fixed app crashes when adding note."
},
{
"store": "apple",
"version": "1.0.2",
"released_at": null,
"notes": "-add iPad support"
},
{
"store": "apple",
"version": "1.0.3",
"released_at": null,
"notes": "- Various bug fixes and improvements"
},
{
"store": "apple",
"version": "1.0.5",
"released_at": null,
"notes": "- Add floating keyboard on iPad - Bug fixes and improvements"
},
{
"store": "apple",
"version": "1.0.6",
"released_at": null,
"notes": "- Bug fixes and improvements"
},
{
"store": "apple",
"version": "1.0.7",
"released_at": null,
"notes": "- Optimized for iOS 15 - Fixed bugs"
},
{
"store": "apple",
"version": "1.0.8",
"released_at": null,
"notes": "- Add remember octave feature - Fixed Delete button may not touch up - Fixed error with changing note pitch - Fixed undo&redo issue when reoder parts - Fixed selecting is not precise issue - Fixed some display errors in dark mode - Fixed error with note in tuplet"
},
{
"store": "apple",
"version": "1.0.9",
"released_at": null,
"notes": "- Settings of keyboard sound and note preview sound could be set correctly - Playback will start at the beginning when cursor at the end of a score - Now support importing from Files.app - Fixed bugs"
},
{
"store": "apple",
"version": "1.1.0",
"released_at": null,
"notes": "- fixed bugs - improved UI display - reduced ads"
},
{
"store": "apple",
"version": "2.0.0",
"released_at": null,
"notes": "- Adapted to Liquid Glass design"
},
{
"store": "apple",
"version": "2.0.1",
"released_at": null,
"notes": "- Adapted to Liquid Glass design"
},
{
"store": "apple",
"version": "2.0.2",
"released_at": null,
"notes": "- Adapted to Liquid Glass design - Fixed display issues musescore, sibelius, forscore"
},
{
"store": "apple",
"version": "2.0.3",
"released_at": "2026-08-01",
"notes": "- Adapted to Liquid Glass design - Fixed display issues"
}
],
"alternatives": [
{
"app_id": 1503221259,
"name": "Sibelius",
"url": "https://appcorpus.com/apps/sibelius-1503221259",
"reason": "Same category + similar ratings"
}
],
"evidence_summary": {
"index_state": "S1",
"evidence_level": 1,
"level_label": "Live store listing",
"indexable": true,
"last_verified_at": "2026-08-05",
"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": "pro-access",
"label": "Pro Access",
"kind": "unknown",
"status": "store_listed",
"prices": [
{
"storefront": "us",
"formatted": "$49.99",
"billing_period": null
},
{
"storefront": "us",
"formatted": "$9.99",
"billing_period": null
}
],
"trial": null
},
{
"code": "unlimited-access",
"label": "Unlimited Access",
"kind": "unknown",
"status": "store_listed",
"prices": [
{
"storefront": "us",
"formatted": "$6.99",
"billing_period": null
}
],
"trial": null
}
],
"features": [],
"unknown_features": [],
"data_cutoff": "5 Aug 2026"
}
}
