AppCorpus MCP gives your agent current app data, prices, screens, features and sources.
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GET /api/v3/apps/566301831
{
"app_id": 566301831,
"canonical_url": "https://appcorpus.com/apps/castel-sip-566301831",
"identity": {
"name": "Castel SIP",
"slug": "castel-sip",
"developer": {
"name": "Castel",
"url": "https://appcorpus.com/developers/castel-developer_801448d6b6c994b85cb15b6b0d322596"
},
"icon_url": "https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/6a/64/fd/6a64fda9-b6d5-279e-7db6-12312d21fc7a/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/castel-sip/id566301831?uo=4",
"rating": 0.0,
"rating_count": 0,
"formatted_price": "Free",
"is_free": true,
"has_iap": false,
"has_subscription": false,
"version": "5.7.0",
"updated": "2026-03-13",
"currency": "USD"
}
],
"summary": {
"one_liner": null,
"summary": null,
"best_for": [],
"not_for": [],
"status": "fallback",
"at_a_glance": [
"Free to download"
]
},
"categories": {
"official": [
"Social Networking"
],
"appcorpus": [
{
"category_id": "social-networking",
"label": "Social networking",
"url": "https://appcorpus.com/categories/social-networking"
}
]
},
"use_cases": [],
"features": [
{
"capability_id": "free_app",
"label": "Free app",
"availability": "yes",
"access_level": "free",
"scope": null,
"evidence": "Store published"
}
],
"pricing": [
{
"store": "apple",
"formatted_price": "Free",
"is_free": true,
"has_iap": false,
"has_subscription": false,
"currency": "USD",
"market": "de",
"last_verified": "2026-08-06",
"rows": [
"Free"
]
}
],
"screens": [
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/9c/7b/31/9c7b31d3-0ad7-f5b9-4b27-a2dd6205760c/05990956-c1ea-410a-900d-5c8776c848a1_screen_params_ipad_en.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 1"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/23/5a/ee/235aee68-0d3c-dd2b-53c0-70440b743054/9c68b649-caed-440c-91f2-f16a40a004c8_screen_options_ipad_en.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 2"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/16/ff/69/16ff6969-5688-5e07-dd49-599515382df8/80bdca17-6666-4d20-8c68-5dbee72ea9e3_screen_params_ipad_en.jpg/576x768bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 3"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ca/a8/a4/caa8a4e9-7ed9-4e3f-070e-bbe822a6b482/e9f62732-a026-4447-9abb-b0e2e82bc65f_screen_accueil_ipad_en.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 4"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/21/0d/30/210d30b2-afbb-173a-c5c4-7591c5356bbc/d336ed32-9f72-4f71-a9a6-c9a1c170cfa4_screen_options_ipad_en.jpg/576x768bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 5"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/89/fa/0f/89fa0f4b-40fc-522c-bf7e-750a92ed9973/081b7f52-2c27-429d-8a1a-edd949462e3e_screen_accueil_landscape_ipad_en.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 6"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/fa/81/66/fa8166e1-05d9-7a61-6554-b77a8e4c312f/d6b3d708-5df7-47e9-a914-c42d92faf118_screen_accueil_ipad_en.jpg/576x768bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 7"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/05/36/21/05362194-9991-44eb-9a10-8f5d7e7f6c51/4b9a16af-7b39-4413-96de-6a038b9bb39a_screen_contacts_ipad_en.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 8"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/54/c1/46/54c1461c-c353-e491-f9b0-b9f21b100978/d92cd438-8189-4e56-929d-a40fc74c1e4e_screen_contacts_ipad_en.jpg/576x768bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 9"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/72/0f/a4/720fa4f9-a404-bf0e-dca3-7a2eee8ead05/78716aa1-fb33-48a0-9c98-fce231ec0620_screen_detail_contact_ipad_en.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 10"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a3/35/33/a33533e9-da2f-2d04-b12c-ff25a36d533b/2a6f5486-6ce1-4884-b446-94f279ad071b_screen_detail_contact_ipad_en.jpg/576x768bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 11"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/4e/50/39/4e50394c-70ba-69fe-7f5a-d29d90cd70eb/c12689b3-d9ba-48be-86e9-332202975b03_screen_detail_contact_landscape_ipad_en.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 12"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/72/9c/75/729c752c-962b-a39e-df69-30fe62f03054/de73eded-dfb2-4e5a-8cf3-61f91047c33e_screen_histo_ipad_en.jpg/576x768bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 13"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/50/e0/af/50e0afc8-43e7-5041-c0f6-c93d99d66660/7636ca9b-1865-407b-8dfa-2cb7a397dc43_screen_histo_ipad_en.png/1600x1600bb.jpg",
"store": "apple",
"platform": "ipad",
"alt": "Castel SIP ipad screenshot 14"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/69/2c/69/692c697d-e738-baae-1bfe-92a9cf6e7ecf/6469b670-cfa5-4160-96d3-fcc03936bb6f_screen_params_en.jpg/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Castel SIP iphone screenshot 15"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c7/c0/81/c7c08133-9660-f3ef-9509-f9d17b2c119c/5dec6b72-83d3-4fd8-af77-07fc80fb6784_screen_options_en.jpg/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Castel SIP iphone screenshot 16"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6d/dd/e3/6ddde301-5066-f013-e46c-90b2f1514404/ec99a75e-b0ad-467f-adfb-7ee75be56a71_scren_accueil_en.jpg/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Castel SIP iphone screenshot 17"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/19/f8/b5/19f8b593-7721-0388-718c-f2af52b96815/2bd8b9fe-8485-4310-a54d-f5325aa1f171_screen_accueil_landscape_en.jpg/1600x1290bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Castel SIP iphone screenshot 18"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/83/8b/eb/838beb5d-0627-81ca-d9f4-6c4666711db8/f7673b76-79d1-4132-9cd3-b06dd2ba1e6d_screen_incoming_call_en.jpg/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Castel SIP iphone screenshot 19"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/51/7e/b7/517eb7f7-edb0-7cf8-2e39-d3367590cb52/8f68cc63-90a3-4113-bdcb-1016b737a01b_screen_call.jpg/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Castel SIP iphone screenshot 20"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e0/ab/21/e0ab214a-258e-0d74-ee20-60625904e79a/9068934c-2afc-4a29-ad62-067ec1929a15_screen_contacts_en.jpg/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Castel SIP iphone screenshot 21"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ec/bd/9d/ecbd9dfa-6658-cda9-8bc0-c669e62f8f61/contacts_portrait_en.jpg/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Castel SIP iphone screenshot 22"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/aa/59/6b/aa596b31-984a-6bc1-c57c-172b9bae81fe/contacts_landscape_en.jpg/1600x1290bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Castel SIP iphone screenshot 23"
},
{
"url": "https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e0/9b/dc/e09bdcd3-2aa2-0280-7756-9411c659374e/2212ebed-6124-4ecb-8964-41523d594050_screen_histo_en.jpg/1290x1600bb.jpg",
"store": "apple",
"platform": "iphone",
"alt": "Castel SIP iphone screenshot 24"
}
],
"ratings": [
{
"store": "apple",
"average": 0.0,
"count": 0,
"market": "de",
"observed_at": "2026-08-06",
"reviews": []
}
],
"privacy": [
{
"store": "apple",
"declarations": [
{
"title": "Data Linked to You",
"detail": "App Functionality — Identifiers — User ID",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "App Functionality — Other Data — Other Data Types",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "App Functionality — User Content — Audio Data",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Identifiers",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "Other Data",
"source": "Developer declared"
},
{
"title": "Data Linked to You",
"detail": "User Content",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "App Functionality — Contacts",
"source": "Developer declared"
},
{
"title": "Data Not Linked to You",
"detail": "Contacts",
"source": "Developer declared"
}
],
"accessibility": []
}
],
"changes": [
{
"store": "apple",
"version": "1.0",
"released_at": null,
"notes": ""
},
{
"store": "apple",
"version": "1.1",
"released_at": null,
"notes": "- Bug fixes - French translations"
},
{
"store": "apple",
"version": "1.1.1",
"released_at": null,
"notes": "fix application crash on iPhone5 with h264 video"
},
{
"store": "apple",
"version": "1.1.2",
"released_at": null,
"notes": "Minor bug fixes"
},
{
"store": "apple",
"version": "2.0.9",
"released_at": null,
"notes": "- Use of the Apple Push Notification when the application is used in conjunction with the Castel SIP online server to be contacted even when the application is turned off - Preview video calls (early-media) when the application is used in conjunction with the Castel SIP servers for enterprise - Reliability of the application for optimum operation with the Castel equipment"
},
{
"store": "apple",
"version": "2.1.0",
"released_at": null,
"notes": "Many fixes related to the transition to iOS 8"
},
{
"store": "apple",
"version": "2.2.5",
"released_at": null,
"notes": "This update from Apple will improve the functionality of this app. No new features are included. Fixes related to the transition to iOs 9"
},
{
"store": "apple",
"version": "4.0.0",
"released_at": null,
"notes": "Reworking of the design to offer better ergonomics Taking into account the orientation of the device (portrait or landscape mode) at rest and in communication Support for phones with notches for the camera Review of the notification system to take account in particular of energy saving managers Constraint support for latest iOS versions"
},
{
"store": "apple",
"version": "4.1.0",
"released_at": null,
"notes": "Fixes some bugs : contacts management and import, micro gain and mute button on call screen."
},
{
"store": "apple",
"version": "4.2.0",
"released_at": null,
"notes": "- Add sound feedback on keys and/or when sending DTMF commands. - Added SIP Account Delete feature.. - Improved visibility of the connection status with the server. - Adaptation of the visual of the call history. - Better call history management. - Fix for door button with intercom having DTMF commands. - Fix for the display of the DTMF when they are send or not - Fix for DTMF transmission mode in options."
},
{
"store": "apple",
"version": "5.0.0",
"released_at": null,
"notes": "- Better notification management. - Redundancy server management. - Fixes some bugs."
},
{
"store": "apple",
"version": "5.1.0",
"released_at": null,
"notes": "- Improved saving of SIP account settings. - Using default random ports for communication. - Improved call holding to make it easier to resume calls. - Correction of the keyboard display on the call screen (landscape mode and notch management). - Fixed a rare case which caused the application to crash on certain actions during a call."
},
{
"store": "apple",
"version": "5.2.0",
"released_at": null,
"notes": "- Updated to Material Design 3. - Added support for wired headsets. - Improved management of bluetooth devices. - Added server re-registration button. - Activation of the GSM Audio codec. - Miscellaneous fixes."
},
{
"store": "apple",
"version": "5.3.0",
"released_at": null,
"notes": "Add import/export Add ordering of favorite contacts. various fixes ..."
},
{
"store": "apple",
"version": "5.4.0",
"released_at": null,
"notes": "Various improvements and fixes for better stability and user experience."
},
{
"store": "apple",
"version": "5.5.0",
"released_at": null,
"notes": "Added support for multiple DTMFs. Support for the following languages: French, English, Spanish, German, Italian, Dutch, and Polish. Various improvements and fixes for better stability and user experience."
},
{
"store": "apple",
"version": "5.6.0",
"released_at": null,
"notes": "- Interface support for multiple incoming calls. - Added update assistance. - Improved handling of missed call notifications. - Various improvements and fixes."
},
{
"store": "apple",
"version": "5.7.0",
"released_at": "2026-03-13",
"notes": "• Favorites order is taken into account in the export file • Quick import/export of contacts via QR code"
}
],
"alternatives": [
{
"app_id": 894003707,
"name": "VaxPhone - SIP based softphone",
"url": "https://appcorpus.com/apps/vaxphone-sip-based-softphone-894003707",
"reason": "Same category + similar ratings"
},
{
"app_id": 1458849958,
"name": "PimentoPhone",
"url": "https://appcorpus.com/apps/pimentophone-1458849958",
"reason": "Same category + similar ratings"
},
{
"app_id": 6504066513,
"name": "PortSIP ONE",
"url": "https://appcorpus.com/apps/portsip-one-6504066513",
"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": "de",
"note": "No LIVE observation for DE yet."
},
"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"
}
}
