AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
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GET /api/v3/apps/6745344282
{
"app_id": 6745344282,
"canonical_url": "https://appcorpus.com/apps/retain-cards-ai-flashcards-6745344282",
"identity": {
"name": "Retain Cards: AI Flashcards",
"slug": "retain-cards-ai-flashcards",
"developer": {
"name": "Retain Labs GmbH",
"url": "https://appcorpus.com/developers/retain-labs-gmbh-developer_e1901d96d98d4ec8af8464ad3ec15660"
},
"icon_url": "https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/bc/c6/18/bcc61804-59f1-2e06-7a1b-f66fd2eac77d/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.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/retain-cards-ai-flashcards/id6745344282?uo=4",
"rating": 4.3,
"rating_count": 234,
"formatted_price": "Free",
"is_free": true,
"has_iap": true,
"has_subscription": false,
"version": "2.8",
"updated": "2026-08-06",
"currency": "USD"
}
],
"summary": {
"one_liner": null,
"summary": null,
"best_for": [],
"not_for": [],
"status": "fallback",
"at_a_glance": [
"From $12.99/mo",
"Free to download",
"In-app purchases"
]
},
"categories": {
"official": [
"Education",
"Productivity"
],
"appcorpus": [
{
"category_id": "education",
"label": "Education",
"url": "https://appcorpus.com/categories/education"
},
{
"category_id": "productivity",
"label": "Productivity",
"url": "https://appcorpus.com/categories/productivity"
}
]
},
"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": "2026-08-06",
"rows": [
"Retain Ultra (monthly) — $12.99/month",
"Retain Ultra (monthly) — $19.99/month",
"Retain Ultra (monthly) — $47.90/year ($3.99/mo)",
"Retain Ultra (monthly) — $59.90/year ($4.99/mo)",
"Retain Ultra (monthly) — $71.90/year ($5.99/mo)",
"Retain Ultra (monthly) — $83.90/year ($6.99/mo)",
"Retain Pro (monthly) — $999.99/month"
]
}
],
"screens": [
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c6/2a/5d/c62a5d47-0156-e9c8-0437-0c3d6b019b88/Asset_1_iPad__U005bEN_U005d_-_Final.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Retain Cards: AI Flashcards ipad screenshot 1"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c6/2a/5d/c62a5d47-0156-e9c8-0437-0c3d6b019b88/Asset_1_iPad__U005bEN_U005d_-_Final.png/360x480bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Retain Cards: AI Flashcards ipad screenshot 2"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/de/13/65/de1365b3-d43a-d9f4-6037-aacbb6901a91/Asset_2_iPad__U005bEN_U005d_-_Final.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Retain Cards: AI Flashcards ipad screenshot 3"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/de/13/65/de1365b3-d43a-d9f4-6037-aacbb6901a91/Asset_2_iPad__U005bEN_U005d_-_Final.png/360x480bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Retain Cards: AI Flashcards ipad screenshot 4"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d2/3d/86/d23d86dc-e742-5390-9284-88708967f75d/Asset_3_iPad__U005bEN_U005d_-_Final.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Retain Cards: AI Flashcards ipad screenshot 5"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d2/3d/86/d23d86dc-e742-5390-9284-88708967f75d/Asset_3_iPad__U005bEN_U005d_-_Final.png/360x480bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Retain Cards: AI Flashcards ipad screenshot 6"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6b/5c/25/6b5c25da-6a4d-55f0-8fa5-4e65754f60b3/Asset_4_iPad__U005bEN_U005d_-_Final.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Retain Cards: AI Flashcards ipad screenshot 7"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6b/5c/25/6b5c25da-6a4d-55f0-8fa5-4e65754f60b3/Asset_4_iPad__U005bEN_U005d_-_Final.png/360x480bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Retain Cards: AI Flashcards ipad screenshot 8"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7b/2e/8e/7b2e8e2b-f5d3-8cab-3bd2-a55e632889ff/Asset_1_iPhone__U005bEN_U005d_-_Final.png/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Retain Cards: AI Flashcards iphone screenshot 9"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/75/03/fc/7503fca6-12a6-196b-aed2-60082eb3c09f/Asset_2_iPhone__U005bEN_U005d_-_Final.png/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Retain Cards: AI Flashcards iphone screenshot 10"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ca/2c/07/ca2c0755-b607-d479-064e-996dda50c226/Asset_3_iPhone__U005bEN_U005d_-_Final.png/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Retain Cards: AI Flashcards iphone screenshot 11"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c7/45/36/c745361e-9fd1-1300-89f1-27ffa8ea1d42/Asset_4_iPhone__U005bEN_U005d_-_Final.png/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Retain Cards: AI Flashcards iphone screenshot 12"
}
],
"ratings": [
{
"store": "apple",
"average": 4.3,
"count": 234,
"market": "us",
"observed_at": "2026-08-06",
"reviews": [
{
"rating": 5,
"title": "if you add lifetime subscription option my life is yours",
"body": "please please please let me get what i want",
"author": "jamestdy",
"date": "6 Aug 2026"
},
{
"rating": 1,
"title": "I don’t like this app at all!",
"body": "I can’t get out of the ultra screen!! :(",
"author": "Im-js-a-duck17",
"date": "6 Aug 2026"
},
{
"rating": 1,
"title": "i cant so anything",
"body": "i cant get out of the retain ultra, 3 days free screen, i do not want retain ultra, nor 3 days free, im okay with the free version, but i cant get out of that screen",
"author": "dousodaisa",
"date": "6 Aug 2026"
},
{
"rating": 1,
"title": "Mauvaise app",
"body": "La plus nulle des applications que je connaisse Comment obliger des gens à payer pour étudier ? Vous devriez vous revoir bande de chien",
"author": "Vanity of vanity",
"date": "6 Aug 2026"
}
]
}
],
"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 — Usage Data — Advertising Data",
"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": "App Functionality — Diagnostics — Crash Data",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "App Functionality — 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": "Usage Data",
"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",
"source": "Developer declared"
}
],
"accessibility": []
}
],
"changes": [
{
"store": "apple",
"version": "1.0",
"released_at": null,
"notes": ""
},
{
"store": "apple",
"version": "1.1",
"released_at": null,
"notes": "Minor bug fixes"
},
{
"store": "apple",
"version": "1.2",
"released_at": null,
"notes": "Enabled worldwide signin via Google account."
},
{
"store": "apple",
"version": "1.3",
"released_at": null,
"notes": "Improved AI flashcards"
},
{
"store": "apple",
"version": "1.4",
"released_at": null,
"notes": "Improved AI flashcards"
},
{
"store": "apple",
"version": "1.5",
"released_at": null,
"notes": "Improved AI flashcards"
},
{
"store": "apple",
"version": "1.6",
"released_at": null,
"notes": "Improved AI flashcards"
},
{
"store": "apple",
"version": "1.7",
"released_at": null,
"notes": "Improved AI flashcards and AI chat"
},
{
"store": "apple",
"version": "1.8",
"released_at": null,
"notes": "Improved AI flashcards and AI chat"
},
{
"store": "apple",
"version": "1.9",
"released_at": null,
"notes": "Improved AI flashcards and AI chat"
},
{
"store": "apple",
"version": "2.0",
"released_at": null,
"notes": "Improved AI flashcards and AI chat"
},
{
"store": "apple",
"version": "2.1",
"released_at": null,
"notes": "Improved AI flashcards and AI chat"
},
{
"store": "apple",
"version": "2.2",
"released_at": null,
"notes": "Improved AI flashcards and AI chat"
},
{
"store": "apple",
"version": "2.3",
"released_at": null,
"notes": "Added Mock Exams."
},
{
"store": "apple",
"version": "2.4",
"released_at": null,
"notes": "Added AI-generated summaries."
},
{
"store": "apple",
"version": "2.5",
"released_at": null,
"notes": "Added AI-generated summaries."
},
{
"store": "apple",
"version": "2.6",
"released_at": null,
"notes": "Added AI-generated podcasts."
},
{
"store": "apple",
"version": "2.7",
"released_at": null,
"notes": "Added Voice Mode for learning sessions."
},
{
"store": "apple",
"version": "2.8",
"released_at": "2026-08-06",
"notes": "Added Voice Mode for learning sessions."
}
],
"alternatives": [
{
"app_id": 6737522601,
"name": "Studyflash: AI Flashcards",
"url": "https://appcorpus.com/apps/studyflash-ai-flashcards-6737522601",
"reason": "Same category + similar ratings"
},
{
"app_id": 894569031,
"name": "Studydrive: Study & Flashcards",
"url": "https://appcorpus.com/apps/studydrive-study-flashcards-894569031",
"reason": "Same category + similar ratings"
},
{
"app_id": 6739139912,
"name": "AI SchoolTool Helper by Acuity",
"url": "https://appcorpus.com/apps/ai-schooltool-helper-by-acuity-6739139912",
"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": "ultra",
"label": "Retain Ultra (monthly)",
"kind": "subscription",
"status": "store_listed",
"prices": [
{
"storefront": "us",
"formatted": "$12.99",
"billing_period": "monthly"
},
{
"storefront": "us",
"formatted": "$19.99",
"billing_period": "monthly"
},
{
"storefront": "us",
"formatted": "$47.90",
"billing_period": "yearly"
},
{
"storefront": "us",
"formatted": "$59.90",
"billing_period": "yearly"
},
{
"storefront": "us",
"formatted": "$71.90",
"billing_period": "yearly"
},
{
"storefront": "us",
"formatted": "$83.90",
"billing_period": "yearly"
}
],
"trial": null
},
{
"code": "pro",
"label": "Retain Pro (monthly)",
"kind": "subscription",
"status": "store_listed",
"prices": [
{
"storefront": "us",
"formatted": "$999.99",
"billing_period": "monthly"
}
],
"trial": null
}
],
"features": [],
"unknown_features": [],
"data_cutoff": "6 Aug 2026"
}
}
