AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
View JSON
GET /api/v3/apps/525324684
{
"app_id": 525324684,
"canonical_url": "https://appcorpus.com/apps/rta-audio-525324684",
"identity": {
"name": "RTA Audio",
"slug": "rta-audio",
"developer": {
"name": "New Ball s.r.o.",
"url": "https://appcorpus.com/developers/new-ball-s-r-o-developer_884cfa6ea329ed7ca309a2cbfae6e613"
},
"icon_url": "https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/bb/40/64/bb406461-34a0-1045-c79c-47ff033a4ff8/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": "2026-07-31",
"last_checked_label": "31 Jul 2026",
"banner": null,
"region_note": null
}
},
"listings": [
{
"store": "apple",
"status": "ACTIVE",
"url": "https://apps.apple.com/us/app/rta-audio/id525324684?uo=4",
"rating": 3.6,
"rating_count": 31,
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": false,
"version": "3.2",
"updated": "2024-11-12",
"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": "2026-07-31",
"rows": [
"Free to download",
"In-app purchases"
]
}
],
"screens": [
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/f6/c2/3c/f6c23c6f-c8fd-322b-065a-5f810b84c282/e4b19fe1-593a-479f-a0a2-09b348cea378_Simulator_Screen_Shot_-_iPad_Pro__U002812.9-inch_U0029__U00285th_generation_U0029_-_2021-05-28_at_16.39.09.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "RTA Audio ipad screenshot 1"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/59/5a/76/595a76b9-9e49-76c4-6dd0-5339d61e4431/00cf1f1f-e7f6-4d3a-856c-58efcac2649c_Simulator_Screen_Shot_-_iPad_Pro__U002812.9-inch_U0029__U00285th_generation_U0029_-_2021-05-28_at_16.39.03.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "RTA Audio ipad screenshot 2"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/77/14/ce/7714ce3b-1ba3-375c-1db5-df332edf988f/ce0cc74e-c4ca-4b19-a59e-b7984bf64bce_Simulator_Screen_Shot_-_iPad_Pro__U002812.9-inch_U0029__U00285th_generation_U0029_-_2021-05-28_at_16.40.55.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "RTA Audio ipad screenshot 3"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/d8/ec/a9/d8eca98e-4316-abf9-1557-13fef74f467a/4fb849a1-9462-4981-bc39-15dc70bba2b8_Simulator_Screen_Shot_-_iPad_Pro__U002812.9-inch_U0029__U00285th_generation_U0029_-_2021-05-28_at_16.41.55.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "RTA Audio ipad screenshot 4"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/e8/0d/09/e80d0976-2d49-e8d9-abd9-cd63ab3cbcc8/8daee437-3f7b-4fe8-b36a-4630e71e887b_IMG_0903.PNG/1125x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "RTA Audio iphone screenshot 5"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/78/ab/9c/78ab9c07-81fc-29ac-0d47-24c2606aeae6/4a8df169-9e9d-4450-9131-9de97c3b882a_IMG_0906.PNG/1125x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "RTA Audio iphone screenshot 6"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/b1/a9/26/b1a926ac-fbf2-a1e0-5214-801d26fe3a4c/89a78e90-e62e-47af-ac5e-a365d1d00c61_IMG_B49E0147C256-1.jpeg/1600x1125bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "RTA Audio iphone screenshot 7"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/24/09/15/2409154d-98c4-12b3-8a64-716341055da1/05fed52c-7c02-4e85-91b9-85c16247e36d_IMG_0907.PNG/1600x1125bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "RTA Audio iphone screenshot 8"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/e3/74/29/e37429bb-fb41-a582-8401-961bdaca1c25/0ba74d26-d1a7-4113-8e52-1ede962b204b_IMG_0902.PNG/1125x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "RTA Audio iphone screenshot 9"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/25/04/ce/2504cee8-37ee-2efa-c925-18ce73457d43/3989f55d-9714-460b-8433-27ad266f826e_IMG_0908.PNG/1125x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "RTA Audio iphone screenshot 10"
}
],
"ratings": [
{
"store": "apple",
"average": 3.6,
"count": 31,
"market": "us",
"observed_at": "2026-07-31",
"reviews": [
{
"rating": 5,
"title": "Great RTA app",
"body": "I use this app all the time to calibrate my stereo system using pink noise. Highly recommended for anyone who is involved with audio and sound.",
"author": "Apad 326",
"date": "31 Jul 2026"
},
{
"rating": 5,
"title": "Greetings!",
"body": "How might I unlock the full version of your app? I enjoy the features I have access to, and hope to experiment with the settings more.",
"author": "Christhedude",
"date": "31 Jul 2026"
},
{
"rating": 1,
"title": "Microphone no longer accessible",
"body": "I receive an alert stating that the user has denied access to the microphone. However, the microphone privacy setting within the iPhone settings does not show a request for access. There is no way to allow microphone access if the app no longer request access. The app performed phenomenally up until this issue appeared. Is there anyway to resolve this?",
"author": "danbanco",
"date": "31 Jul 2026"
},
{
"rating": 3,
"title": "Mic permissions issue .. renders app unusable",
"body": "I just recently reinstalled this, as it was the best RTA app for my iPad mini. Now I, a paying customer, am getting an error message saying “user has explicitly denied microphone access” or something along those lines. Please let us know how to fix it? Thank you",
"author": "NightHawkCA",
"date": "31 Jul 2026"
},
{
"rating": 1,
"title": "Has Bug w/Mic Access",
"body": "IPHONE 8PLUS, IOS 12SERIES... After downloading & opening the app it first asks for permission to send notifications, then immediately a second popup window says the user has explicitly denied permission to access the mic (No I haven’t). Any other apps on the iphone can access the mic with no issues. No solutions to this problem can be found ANYWHERE under the Iphone ‘Settings’.",
"author": "Loveu2life",
"date": "31 Jul 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": "2.0",
"released_at": null,
"notes": "• New visual & New functions • Zoom functionality • Tone scale view C₀- H₈ (A₄ = 440Hz) • Hardware input gain control • Save screenshot function"
},
{
"store": "apple",
"version": "2.0.1",
"released_at": null,
"notes": "• FIX zoom issue • New visual & New functions • Zoom functionality • Tone scale view C₀- H₈ (A₄ = 440Hz) • Hardware input gain control • Save screenshot function"
},
{
"store": "apple",
"version": "2.0.2",
"released_at": null,
"notes": "• configuration setting auto update • minor visual changes"
},
{
"store": "apple",
"version": "2.0.3",
"released_at": null,
"notes": "FIX microphone access problem. Minor updates."
},
{
"store": "apple",
"version": "3.0.1",
"released_at": null,
"notes": "Complete rewrite of the application using Swift & SwiftUI. New audio recording function with export (WAV). New visualizer module with export (PDF). Extended window functions set. External input/output audio device support (tested with Focusrite iTrack Solo). Bluetooth input/output audio device support. Compute frequency selection (overlap)."
},
{
"store": "apple",
"version": "3.1",
"released_at": null,
"notes": "* Fixes crash on receiving phone calls. * Fixes crash on Frequency watcher upper bound. * Disables navigation during recording and visualizer analysis. * Minor fixes."
},
{
"store": "apple",
"version": "3.2",
"released_at": "2024-11-12",
"notes": "Bug fix release. Fixing the crash opportunity in the app's lifecycle switching."
}
],
"alternatives": [],
"evidence_summary": {
"index_state": "S1",
"evidence_level": 1,
"level_label": "Live store listing",
"indexable": true,
"last_verified_at": "2026-07-31",
"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": [],
"features": [],
"unknown_features": [],
"data_cutoff": "31 Jul 2026"
}
}