What is Claude by Anthropic built with?

SwiftUI iOS app with App Intents, 106 Metal shaders, Firebase backend, and LockedCameraCaptureExtension Claude by Anthropic's iOS app is built with C/C++, Metal (shaders), Objective-C, Swift, and bundles 48 third-party SDKs alongside Apple's own frameworks. This page lists the languages, frameworks, SDKs, and capabilities detected in the App Store build.

Which third-party SDKs does Claude by Anthropic use?

We detected 48 third-party SDKs in Claude by Anthropic, grouped by purpose - analytics, crash reporting, payments, networking, and more.

How was Claude by Anthropic's tech stack determined?

By statically inspecting Claude by Anthropic's iOS App Store build - linked libraries, embedded frameworks, Swift package modules, privacy manifests, and entitlements. Nothing is executed and no private data is accessed.

Live from App Store

Claude by Anthropic

Anthropic PBC · AI Assistant by Anthropic

Open in App Store

Rating

4.7 (254,628)

Price

Free

Version

v1.260909.19

Last updated

Updated Sep 10, 2026

TrackedRanks · 4hTech stackScreensIcons

Build stack

Claude by Anthropic iOS tech stack

SwiftUI iOS app with App Intents, 106 Metal shaders, Firebase backend, and LockedCameraCaptureExtension

v1.260604.0 · latest

Languages

Swift

Third-party SDKs

13 categories

Apple frameworks

104 total frameworks

Signals

capabilities, APIs, fonts

Analyzed June 23, 2026Bundle com.anthropic.claudeDetection lower bound

Analysis

What the stack reveals

An automated read of the signals detected on this page - each point links to the evidence below.

App Intents for voice and actions

Architecture

Declares 7 App Intents with auto shortcuts for voice conversation, photo analysis, and dictation, enabling direct Siri and Shortcuts integration.

App Intents · 7 actions · auto shortcuts · Start voice conversation · +1

Runtime↓

Specialized app extensions

Platform & build

Includes WidgetExtension, ShareExtension, notification content extensions, and LockedCameraCaptureExtension for direct camera access.

WidgetExtension · ShareExtension · LockedCameraCaptureExtension · ClaudeNotificationService

Build↓

Custom Metal shaders

Interface

Ships 106 Metal shader functions plus MetalKit, indicating custom GPU-accelerated rendering or compute beyond standard SwiftUI/UIKit.

106 Metal shader functions · MetalKit · Metal (shaders)

Frameworks↓

First-party and Firebase services

Backend & API

References claude.ai and anthropic.com hosts with Firebase storage and services present in the bundle.

claude.ai · Firebase · www.anthropic.com · proj-scandium-production-5zhm.firebasestorage.ap

Signals↓

Dual monitoring SDKs

Analytics

Integrates Datadog (RUM, CrashReporting) alongside Sentry and KSCrash for performance and error tracking.

Datadog · Sentry · DatadogRUM · DatadogCrashReporting

Security and auth stack

Security

Uses App Attest, CryptoKit, Local Authentication, DeviceCheck, and Sign in with Apple.

App Attest · CryptoKit · Local Authentication · Sign in with Apple

Signals↓

Build

Build & platform

Compiler, target OS, supported device families, and localization footprint detected from the bundle.

Min iOS

18.0

Built with

Xcode 26.4.1

iphoneos26.4

Devices

iPhone · iPad

Localizations

41 strings in base locale

Runtime

Languages & runtimes

Primary runtimes and language signatures used by the app.

Dependencies

Third-party SDKs

Grouped by purpose. Select any SDK to see other tracked apps that use it; open the ↗ link for its source.

48 of 48 SDKs

SDK	Category	Vendor	Version	Apps	Source
Google App MeasurementGoogle Analytics for Firebase event measurement substrate.	Analytics	Google	-	94
JSONSafeEncodingJSONSafeEncoder-Swift Cocoapods support.	Analytics	segmentio	-	1
SegmentCustomer data platform / event pipeline.	Analytics	Twilio	-	12
SovranSovran-Swift Cocoapods support.	Analytics	segmentio	-	1
DatadogReal User Monitoring, logs, and observability.	Crash & Performance	Datadog	-	28
DatadogCoreOfficial Datadog Swift SDK for iOS.	Crash & Performance	DataDog	-	10
DatadogCrashReportingOfficial Datadog Crash Reporting SDK for iOS.	Crash & Performance	DataDog	-	5
DatadogRUMDatadog Real User Monitoring Module.	Crash & Performance	DataDog	-	7
KSCrashThe Ultimate iOS Crash Reporter	Crash & Performance	kstenerud	-	4
OpenTelemetryObservability APIs and SDKs for traces, metrics, and logs.	Crash & Performance	OpenTelemetry	-	25
SentryError tracking and performance monitoring.	Crash & Performance	Sentry	-	36
AppAuthOAuth 2.0 and OpenID Connect client SDK.	Authentication	OpenID Foundation	-	34
Google Sign-InGoogle account authentication / OAuth.	Authentication	Google	-	16
GTMAppAuthAuthorize GTM Session Fetcher requests with AppAuth via GTMAppAuth	Authentication	google	-	12
GTMSessionFetcherGoogle Toolbox for Mac - Session Fetcher	Authentication	google	-	15
InteropForGoogle	Authentication	google	-	2
Firebase Cloud MessagingPush notifications via Firebase Cloud Messaging.	Messaging	Google	-	131
GMSCore	Maps	-	26.03.0	2	-
Google MapsGoogle Maps SDK for mapping, places, and geocoding.	Maps	Google	-	87
YouTubeiOSPlayerHelper	Media	-	-	2	-
GRDBSQLite toolkit for Swift.	Storage	Gwendal Roué	-	8
ResilientDecodingA library you can use to partially recover from decoding errors	Serialization	airbnb	-	1
SwiftProtobufProtocol Buffers runtime and code generation for Swift.	Serialization	Apple	-	17
abseilAbseil Common Libraries (C++) from Google	Firebase	google	-	3
AppCheck	Firebase	google	-	2
FBLPromisesGoogle's promises library used by Firebase and Google SDKs on Apple platforms.	Firebase	Google	-	24
FirebaseGoogle's app platform (auth, Firestore, messaging, analytics, crash reporting).	Firebase	Google	-	160
FirebaseCoreFirebase Core	Firebase	firebase	-	22
FirebaseCoreInternalAPIs for internal FirebaseCore usage.	Firebase	firebase	-	22
FirebaseInstallationsFirebase Installations	Firebase	firebase	-	22
Google DataTransportFirebase/Google transport runtime for telemetry and event delivery.	Firebase	Google	-	143
GoogleUtilitiesGoogle Utilities for Apple platform SDKs	Firebase	google	-	25
gRPCgRPC client library for iOS/OSX	Firebase	google	-	19
leveldbA fast key-value storage library	Firebase	firebase	-	3
nanopbProtocol buffers with small code size.	Firebase	nanopb	-	22
FBLPromisesGoogle's promises library used by Firebase and Google SDKs on Apple platforms.	Firebase	Google	-	21
cmark-gfmA fork of cmark-gfm with CocoaPods support.	Rendering	swiftlang	-	1
Highlight.js	Rendering	-	11.11.1	7	-
HighlightriOS & macOS Syntax Highlighter.	Rendering	raspu	-	2
KingfisherSwift image downloading and caching.	Rendering	Wei Wang	-	12
LottieRenders After Effects vector animations.	Rendering	Airbnb	-	138
NetworkImagethis is a summary of my test framework, enjoy	Rendering	gonzalezreal	-	1
swift-markdown-ui	Rendering	gonzalezreal	-	1
SwiftMathFloating point math library written using idiomatic Swift	Rendering	SwiftGFX	-	1
SwiftSoupSwift HTML Parser / Reader, XML , with best of DOM, CSS, and jquery	Rendering	scinfu	-	2
PhoneNumberKitSwift framework for working with phone numbers	Telephony	marmelroy	-	7
sift-ios	Anti-Fraud	SiftScience	-	1
swift-collectionsSwift Collections is an open-source package of data structure implementations for the Swift programming language.	Apple Standard Libraries	apple	-	4

48 SDK rows

Supply chain

Transitive dependencies

The full versioned dependency list Claude by Anthropic declares in its bundled license / Package.resolved manifest - the long-tail supply chain behind the recognized SDK integrations above. Open the ↗ link for a dependency's source.

combine-schedulers

Markdownsqlite-dataswift-async-algorithmsswift-atomicsswift-clocksswift-concurrency-extrasswift-custom-dumpswift-dependenciesswift-identified-collectionsswift-perceptionswift-sharingswift-structured-queriesswift-syntax

Apple

Apple frameworks

Native frameworks and system libraries linked into the build.

Extensions

App extensions

5 bundled app extensions for widgets, notifications, share sheets, and Siri intents.

CCRNotificationContentNotification Content

ClaudeNotificationServiceNotification Service

ShareExtensionShare

LockedCameraCaptureExtensionUnknown

WidgetExtensionWidget

Shortcuts

App Intents

Actions exposed to Siri, Shortcuts, and Spotlight through the App Intents framework.

7 actionsApp Shortcuts

Interface

UI & graphics

Frameworks and libraries Claude by Anthropic uses to render its interface and animations.

Lottie (animations)SwiftUIUIKit

GPU

Metal shaders

106 custom GPU shader functions across 5 metallib files.

AntialiasFragmentShaderAntialiasVertexShaderIconFragmentShaderIconVertexShaderPanoFragmentShaderPanoVertexShaderTextFragmentShaderTextVertexShaderalphaArrayTexturedFadeFragmentShaderalphaArrayTexturedVertexShaderalphaTexturedFadeFragmentShaderarrayTexturedFadeFragmentShaderarrayTexturedFragmentShaderbasicLineFragmentShaderbasicLineVertexShaderbasicTextVertexShaderbreadcrumbFragmentShaderbreadcrumbVertexShaderbuildingDepthPassVertexShaderbuildingVertexShadercoloredAreaFragmentShadercoloredAreaVertexShadercoloredFadeFragmentShadercoloredFragmentShadercoloredTexturedFadeFragmentShader

Assets

Bundled fonts

Custom font families packaged in the app bundle.

AnthropicSansMobileVariable-TextRegularAnthropicSansMobileVariable-TextRegularItalicAnthropicSerifMobileVariable-TextRegularAnthropicSerifMobileVariable-TextRegularItalicDroidSansJetBrainsMono-RegularLatinModernMath-RegularRoboto-BoldTharLon

Packaging

Build & packaging

Dependency managers and build tooling detected in the app bundle.

Swift Package Manager (SwiftPM)

Embedded web

JavaScript libraries

Detected inside bundled JavaScript from React Native or embedded web content.

Highlight.js

Integrations

Services & integrations

Service configuration, URL schemes, universal links, and integration keys observed in the sanitized audit.

Firebase projects

proj-scandium-production-5zhm	proj-scandium-production-5zhm.firebasestorage.app
proj-scandium-production-5zhm	proj-scandium-production-5zhm.firebasestorage.app

Registered URL schemes

claudecom.googleusercontent.apps.1062961139910-tjdcpu6g9ocbglsuhqdn3qdlo0d382id

Queries other apps

cydia

Universal link hosts

applinks.claude-ai.staging.ant.devapplinks.claude.aiclaude-ai.staging.ant.devclaude.ai

Network

Backend & API

Backend hosts, GraphQL operations, and certificate pinning signals detected in the app.

Backend hosts

claude.aiproj-scandium-production-5zhm.firebasestorage.appwww.anthropic.com

Storage

On-device data

Local stores, Core Data models, and schema names found in the app bundle.

GMSCacheStorage

GoogleMaps_GoogleMapsTarget.bundle/GoogleMaps.bundle/GMSCacheStorage.momd

9 entities

First party

App modules

Likely first-party modules and resource bundles detected in Claude by Anthropic.

ClaudeApiServicesClaudeAssistUIClaudeCCRNotificationContentClaudeCodeClaudeConwayClaudeCoreClaudeCoreUIClaudeDataClaudeGoogleMapsClaudeHealthToolsClaudeIconsClaudeMcpAppsClaudeShareExtensionClaudeToolsClaudeTTSClaudeVoiceClaudeWidgetExtension

Entitlements

Capabilities

System capabilities and entitlement flags included with the app.

App GroupsAssociated Domains (Universal Links)Background App RefreshBackground AudioBackground PushHealthKitKeychain SharingPush Notifications (APNs)Sign in with AppleTime-Sensitive Notifications

APIs

Detected API usage

System frameworks and privacy-sensitive APIs referenced by the binary.

App Attest (anti-fraud)Biometric auth (Face ID / Touch ID)Calendar / remindersCarrier / cellular infoHashing (SHA-256)HealthKit dataIn-app browser (SFSafariViewController)Keychain readKeychain storageLocationMetal GPU computePhoto libraryPublic-key crypto (Secure Enclave)Sign in with Apple / PasskeysWeb-based OAuth

Privacy

Privacy manifest

Does not declare cross-app tracking in its App Store privacy manifest.

Collected data types

AdvertisingDataApp NameApp VersionCoarseLocationCrashDataDeviceIDEmailAddressNameOtherDataTypesOtherDiagnosticDataOtherUsageDataPerformanceDataPhoneNumberProductInteractionUserID

Required-reason API categories

DiskSpaceFileTimestampSystemBootTimeUserDefaults

Architecture

Architecture details

Additional build and bundle signals that help explain how the app is structured.

Storyboards

Nibs

Scene manifest

Present

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