Substack
32.6M installs
651.8K ratings
2.2M monthly active users
$100K+ monthly revenue est.
IAP 100% · Ad 0%
Install Trends
Weekly +244K
Declining
Monthly +1.1M
SteadySDKs, Trackers & Permissions for Substack
SDK Scan Status
Last Successful SDK Scan: 2026-05-25
Lastest Attempt: 2026-05-25
Last Attempt Status: Success
| SDKs Last Scanned | Version | Scan Result | First Downloaded |
|---|---|---|---|
| May 25, 2026 at 04:23:36 | 54609 | Success | February 2, 2026 at 01:20:37 |
| January 21, 2026 at 14:00:47 | 29046 | Success | September 3, 2025 at 12:01:24 |
| January 19, 2025 at 00:30:04 | -1 | Unknown | January 19, 2025 at 00:30:04 |
| October 20, 2024 at 17:20:11 | 4164 | Success | October 20, 2024 at 17:20:11 |
| August 20, 2024 at 16:27:06 | 3750 | Success | August 20, 2024 at 16:27:06 |
Ad Networks
- FacebookAppID:2808285522747762
- frameworks:FBAEMKit.framework
- frameworks:FBSDKCoreKit.framework
- frameworks:FBSDKCoreKit_Basics.framework
- FacebookAutoLogAppEventsEnabled:False
- FacebookClientToken:a6896bc0e8203edcab1492b37c1f1376
Development Tools
Business Tools
- frameworks:MuxCore.framework
Unknown SDKs and Services
If you recognize any of these please reach out to have it added.
- DTXcode:2611
- CFBundleVersion:54609
- UIDeviceFamily:1.0
- MinimumOSVersion:17.0
- DTXcodeBuild:17B100
- DTAppStoreToolsBuild:17C503a
- UIDeviceFamily:2.0
- CFBundleShortVersionString:2.81.0
- BuildMachineOSBuild:24G84
- DTPlatformVersion:26.1
- API_KEY:redacted_key
- CFBundleInfoDictionaryVersion:6.0
- CFBundlePackageType:APPL
- bundles:AcknowList_AcknowList.bundle
- CFBundleIcons/CFBundlePrimaryIcon/CFBundleIconFiles:AppIcon60x60
- CFBundleIcons~ipad/CFBundlePrimaryIcon/CFBundleIconFiles:AppIcon60x60
- CFBundleIcons~ipad/CFBundlePrimaryIcon/CFBundleIconFiles:AppIcon76x76
- UIAppFonts:Bitter-Black.ttf
- UIAppFonts:Bitter-BlackItalic.ttf
- UIAppFonts:Bitter-Bold.ttf
- UIAppFonts:Bitter-BoldItalic.ttf
- UIAppFonts:Bitter-ExtraBold.ttf
- UIAppFonts:Bitter-ExtraBoldItalic.ttf
- UIAppFonts:Bitter-Italic.ttf
- UIAppFonts:Bitter-Medium.ttf
- UIAppFonts:Bitter-MediumItalic.ttf
- UIAppFonts:Bitter-Regular.ttf
- UIAppFonts:Bitter-SemiBold.ttf
- UIAppFonts:Bitter-SemiBoldItalic.ttf
- UIApplicationSceneManifest/UISceneConfigurations/UIWindowSceneSessionRoleApplication:Default ConfigurationSubstack.SceneDelegate
- frameworks:DotLottiePlayer.framework
- NSUserActivityTypes:INSendMessageIntent
- UIAppFonts:JetBrainsMono-Bold.ttf
- UIAppFonts:JetBrainsMono-BoldItalic.ttf
- UIAppFonts:JetBrainsMono-ExtraBold.ttf
- UIAppFonts:JetBrainsMono-ExtraBoldItalic.ttf
- UIAppFonts:JetBrainsMono-ExtraLight.ttf
- UIAppFonts:JetBrainsMono-ExtraLightItalic.ttf
- UIAppFonts:JetBrainsMono-Italic.ttf
- UIAppFonts:JetBrainsMono-Light.ttf
- UIAppFonts:JetBrainsMono-LightItalic.ttf
- UIAppFonts:JetBrainsMono-Medium.ttf
- UIAppFonts:JetBrainsMono-MediumItalic.ttf
- UIAppFonts:JetBrainsMono-Regular.ttf
- UIAppFonts:JetBrainsMono-SemiBold.ttf
- UIAppFonts:JetBrainsMono-SemiBoldItalic.ttf
- UIAppFonts:JetBrainsMono-Thin.ttf
- UIAppFonts:JetBrainsMono-ThinItalic.ttf
- frameworks:KrispNoiseFilter.framework
- UILaunchStoryboardName:LaunchScreen
- frameworks:LiveKitWebRTC.framework
- bundles:LiveKit_LiveKit.bundle
- bundles:MUXSDKStats_MUXSDKStats.bundle
- UIAppFonts:MessinaSans-Black.otf
- UIAppFonts:MessinaSans-BlackItalic.otf
- UIAppFonts:MessinaSans-Bold.otf
- UIAppFonts:MessinaSans-BoldItalic.otf
- UIAppFonts:MessinaSans-Regular.otf
- UIAppFonts:MessinaSans-RegularItalic.otf
- UIAppFonts:MessinaSans-SemiBold.otf
- UIAppFonts:MessinaSans-SemiBoldItalic.otf
- UIAppFonts:Nunito-Black.ttf
- UIAppFonts:Nunito-BlackItalic.ttf
- UIAppFonts:Nunito-Bold.ttf
- UIAppFonts:Nunito-BoldItalic.ttf
- UIAppFonts:Nunito-ExtraBold.ttf
- UIAppFonts:Nunito-ExtraBoldItalic.ttf
- UIAppFonts:Nunito-Italic.ttf
- UIAppFonts:Nunito-Medium.ttf
- UIAppFonts:Nunito-MediumItalic.ttf
- UIAppFonts:Nunito-Regular.ttf
- UIAppFonts:Nunito-SemiBold.ttf
- UIAppFonts:Nunito-SemiBoldItalic.ttf
- bundles:Pencraft_Pencraft.bundle
- frameworks:Persona2.framework
- NSCameraUsageDescription:Post photos from your camera
- NSLocationAlwaysUsageDescription:Provide a personalized experience based on your location
- NSLocationWhenInUseUsageDescription:Provide a personalized experience based on your location
- NSMicrophoneUsageDescription:Record audio when capturing video with the camera
- UIAppFonts:SohneMono-Buch.ttf
- UIAppFonts:SohneMono-BuchKursiv.ttf
- UIAppFonts:SohneMono-Halbfett.ttf
- UIAppFonts:SohneMono-HalbfettKursiv.ttf
- NSPhotoLibraryAddUsageDescription:Substack needs access to your photos so you can save images and videos to your device.
- UIAppFonts:TiemposText-Bold.ttf
- UIAppFonts:TiemposText-BoldItalic.ttf
- UIAppFonts:TiemposText-Medium.ttf
- UIAppFonts:TiemposText-MediumItalic.ttf
- UIAppFonts:TiemposText-Regular.ttf
- UIAppFonts:TiemposText-RegularItalic.ttf
- UIAppFonts:TiemposText-Semibold.ttf
- UIAppFonts:TiemposText-SemiboldItalic.ttf
- bundles:TipTapEditor_TipTapEditor.bundle
- CADisableMinimumFrameDurationOnPhone:True
- LSRequiresIPhoneOS:True
- NSAppTransportSecurity/NSExceptionDomains/api.substack.com.localhost/NSExceptionAllowsInsecureHTTPLoads:True
- NSAppTransportSecurity/NSExceptionDomains/chrt.fm/NSExceptionAllowsInsecureHTTPLoads:True
- NSAppTransportSecurity/NSExceptionDomains/dts.podtrac.com/NSExceptionAllowsInsecureHTTPLoads:True
- NSAppTransportSecurity/NSExceptionDomains/substack.com.localhost/NSExceptionAllowsInsecureHTTPLoads:True
- NSAppTransportSecurity/NSExceptionDomains/substack.com.localhost/NSIncludesSubdomains:True
- NSAppTransportSecurity/NSExceptionDomains/substack.info/NSExceptionAllowsInsecureHTTPLoads:True
- NSAppTransportSecurity/NSExceptionDomains/substack.info/NSIncludesSubdomains:True
- NSAppTransportSecurity/NSExceptionDomains/traffic.libsyn.com/NSExceptionAllowsInsecureHTTPLoads:True
- NSSupportsLiveActivities:True
- NSSupportsLiveActivitiesFrequentUpdates:True
- UIApplicationSupportsIndirectInputEvents:True
- UIDesignRequiresCompatibility:True
- UISupportedInterfaceOrientations:UIInterfaceOrientationLandscapeLeft
- UISupportedInterfaceOrientations~ipad:UIInterfaceOrientationLandscapeLeft
- UISupportedInterfaceOrientations:UIInterfaceOrientationLandscapeRight
- UISupportedInterfaceOrientations~ipad:UIInterfaceOrientationLandscapeRight
- UISupportedInterfaceOrientations:UIInterfaceOrientationPortrait
- UISupportedInterfaceOrientations~ipad:UIInterfaceOrientationPortrait
- UISupportedInterfaceOrientations~ipad:UIInterfaceOrientationPortraitUpsideDown
- NSBluetoothAlwaysUsageDescription:Used only for UK age verification via Persona
- NSContactsUsageDescription:We'll use your contacts to help you and your friends connect
- CFBundleURLTypes:['substack']Editorcom.substack.Substack
- UIRequiredDeviceCapabilities:arm64
- UIBackgroundModes:audio
- TikTokClientKey:redacted_key
- CFBundleIcons/CFBundleAlternateIcons/blueprint/CFBundleIconFiles:blueprint
- CFBundleIcons/CFBundleAlternateIcons/blueprint/CFBundleIconFiles:blueprint_152
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- CFBundleIcons/CFBundleAlternateIcons/classic/CFBundleIconFiles:classic_167
- DTCompiler:com.apple.compilers.llvm.clang.1_0
- AUTH_SERVICE_NAME:com.substack.Substack
- CFBundleIdentifier:com.substack.Substack
- CFBundleIcons/CFBundleAlternateIcons/default/CFBundleIconFiles:default
- CFBundleIcons/CFBundleAlternateIcons/default/CFBundleIconFiles:default_152
- CFBundleIcons/CFBundleAlternateIcons/default/CFBundleIconFiles:default_167
- CFBundleDevelopmentRegion:en
- APP_GROUP:group.com.substack
- KEYCHAIN_GROUP:redacted_key
- CFBundleIcons/CFBundleAlternateIcons/holi/CFBundleIconFiles:holi
- CFBundleIcons/CFBundleAlternateIcons/holi/CFBundleIconFiles:holi_152
- CFBundleIcons/CFBundleAlternateIcons/holi/CFBundleIconFiles:holi_167
- API_BASE_URL:https://api.substack.com
- OPEN_BASE_URL:https://open.substack.com
- WWW_PUB_URL:https://substack.com
- INFORMATION_COLLECTION_NOTICE_URL:https://substack.com/ccpa
- CONTENT_POLICY_URL:https://substack.com/content
- PUBLISHER_AGREEMENT_URL:https://substack.com/pa
- PRIVACY_URL:https://substack.com/privacy
- SUPPORT_URL:https://substack.link/app-support
- TOS_URL:https://substack.link/app-tos
- SUPPORT_BASE_URL:https://support.substack.com
- CFBundleSupportedPlatforms:iPhoneOS
- DTPlatformName:iphoneos
- DTSDKName:iphoneos26.1
- APP_STORE_URL:itms-apps://apple.com/app/id1581650857
- CFBundleIcons/CFBundleAlternateIcons/morse/CFBundleIconFiles:morse
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- APP_NAMESPACE:prod
- DATADOG_KEY:redacted_key
- UIBackgroundModes:remote-notification
- CFBundleIcons/CFBundleAlternateIcons/stealth/CFBundleIconFiles:stealth
- CFBundleIcons/CFBundleAlternateIcons/stealth/CFBundleIconFiles:stealth_152
- CFBundleIcons/CFBundleAlternateIcons/stealth/CFBundleIconFiles:stealth_167
- bundles:swift-sharing_Sharing.bundle
- MUX_ENV_KEY:redacted_key
- LIVE_KIT_URL:wss://substack-1u4v3o9x.livekit.cloud
App Queries
These are the other apps that Substack requests to know other apps are also installed: