• Tech Dev NotesTech Dev Notes
Discover
  • Charts
  • Trending
  • Rankings
  • Leaderboard
  • App Updates
  • Digest
  • Blog
Browse
  • App Lookup
  • Tech Stack
  • Compare
  • App Screenshots
  • Store Screenshots
Tools
  • X Flags
  • Developers
  • Follow on X
Skip to content
ChartsTrendingRankingsLeaderboardChangelogDigestSearchCompareApp ScreenshotsStore ScreenshotsTech StackDevelopersX FlagsBlog

Tech Dev Notes

RSSSitemap@techdevnotes
Back to WeChat

Tech StackTDN

WeChat Tech Stack

Languages, frameworks, and third-party SDKs detected inside WeChat — extracted from the iOS App Store build.

OverviewHistoryRankingsInsightsTDNTech Stack
v8.0.74 · latestMetal shadersNo declared tracking

Stack profile

C/C++ · Metal (shaders) · Objective-C · 18 third-party SDKs across 3 categories · notable detections include Lottie, Facebook

Analysis

Analyzed
June 3, 2026
Bundle ID
com.tencent.xin
Detection floor
Lower bound

Languages

4

C/C++ · Metal (shaders) · Objective-C

Third-party SDKs

18

3 categories

Apple frameworks

18

26 total frameworks

Signals

66

capabilities, APIs, fonts

Build

Build & platform

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

Min iOS

15.0

Built with

Xcode 26.1.1

iphoneos26.1

Devices

iPhone · iPad

Localizations

29

20029 strings in base locale

Method

How this is detected

  • Detected SDKs are a lower bound — WeChat may bundle more than static analysis can attribute.
  • The App Store binary is encrypted with Apple FairPlay, so detection is limited to what is observable without decryption.

Runtime

Languages & runtimes

Primary runtimes and language signatures observed in the app binary.
C/C++37MMetal (shaders)30Objective-C37Swift39

Dependencies

Third-party SDKs

Grouped by purpose. Select any SDK to see other tracked apps that use it.
18 of 18 SDKs shown

Analytics

1
FFacebook SDK12

Rendering

1
Lottie1.019

Other

16
AApp21.0318.1555342DdetectorJJavaScriptCore2615JjitruntimeresMmagicbrushresMmathFonts2MMAVideoCompositionMmmcronet119.6045.214MMMRouter1.0NNewMessageRingUtil1.0PposeestQQMapKitUufaWWCPlayerWWeAppCoreWWeVisionSDK

Apple

Apple frameworks

Native frameworks and system libraries linked into the build.
AARKit11AAVFoundation (audio/video)37AAVKit34CCloudKit10CCore Location32CCore ML20HHealthKit6MMapKit27MMetalKit33NNatural Language21PPassKit (Wallet / Apple Pay)18SSceneKit13SStoreKit (in-app purchase)37SwiftUI37UUIKit37UUser Notifications37WWatch Connectivity10WWidgetKit (widgets)32

Extensions

App extensions

6 bundled app extensions for widgets, notifications, share sheets, and Siri intents.
WeChatScreenCaptureBroadcast Upload
WeChatNotificationServiceExtensionNotification Service
WeChatShareExtensionNewShare
WeChatSiriExtensionSiri Intents
WeChatSiriExtensionUISiri Intents UI
WeChatWidgetExtensionWidget

Bundle

Companion apps

Additional apps bundled inside the build, including watch apps, clips, and helper targets.
WeChatWatchNative.appwatch app

Interface

UI & graphics

Frameworks and libraries WeChat uses to render its interface and animations.
Lottie (animations)SwiftUIUIKit

GPU

Metal shaders

10 custom GPU shader functions across 3 metallib files.
RenderCameraYUVFragmentShaderRenderCameraYUVVertexShaderalphaVideoSamplingShaderOneToOnealphaVideoSamplingShaderThreeToOnealphaVideoVertexShaderdenosinghdr2sdr_fragmenthdr2sdr_vertextextureFragmentShadertextureVertexShader

Assets

Bundled fonts

Custom font families packaged in the app bundle.
CupertinoIconslatinmodern-mathlatinmodern-math-flutterMaterialIcons-RegularWeChatSansStd-BoldWeChatSansStd-MediumWeChatSansStd-Medium-PreHotWeChatSansStd-RegularWeChatSansSuperscript-BoldWeChatSansSuperscript-MediumWeChatSansSuperscript-Regularweui

Packaging

Build & packaging

Dependency managers and build tooling detected in the app bundle.
Unknown / Xcode native

Integrations

Services & integrations

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

SDK config keys

FacebookAppID

Facebook SDK · Info.plist

Registered URL schemes

fb290293790992170mpprefsQQ41C152CFwechatweixinweixinappweixinQRCodePayAPIweixinStateAPIweixinULAPIweixinURLParamsAPIweixinVideoLocalIdAPIweixinVideoStateAPIwexinVideoAPIwx7015wx703

Queries other apps

baidumapcomgooglemapscyberidentitydcepfbauth2hunyuaniosamapmiaojianmqqmqqapimqzonev2mqzonexmttbrowseropenApp.jdMobileqmkegeqnreadingqqmailqqmapqqmusicqqnewsqqnewshdqqsportsqqstocksgmaptencentedutenvideo2tenvideohduppaywallet
Allows arbitrary network loads

Network

Backend & API

Backend hosts, GraphQL operations, and certificate pinning signals surfaced by static analysis.

Backend hosts

devops.woa.com

First party

App modules

Likely first-party modules and resource bundles detected in WeChat.
andromedacronet_wrappermatrixreportopensslowlProtobufLiteSoundTouchTPFFmpegTPThirdParties

Entitlements

Capabilities

System capabilities and entitlement flags included with the app.
App GroupsApple PayAssociated Domains (Universal Links)Background App RefreshBackground AudioBackground LocationBackground PushBackground: network-authenticationCarPlayCommunication NotificationsHealthKitKeychain SharingNetwork ExtensionsPush Notifications (APNs)Sign in with AppleSiriKitVoIPWallet passes

Runtime config

Feature flags

9 feature-flag keys found in the build.
border_check_flagenable_border_checkenable_copy_checkenable_detect_copyenable_detect_psenable_quality_valueenable_reshootenable_reshoot_checkret_portrait_flag

Privacy

Privacy manifest

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

Collected data types

AdvertisingDataAudioDataCoarseLocationContactsCrashDataCreditInfoCustomerSupportDeviceIDEmailAddressFitnessNameOtherFinancialInfoPaymentInfoPerformanceDataPhoneNumberPhotosorVideosPhysicalAddressPreciseLocationProductInteractionPurchaseHistorySearchHistoryUserID

Required-reason API categories

ActiveKeyboardsDiskSpaceFileTimestampSystemBootTimeUserDefaults

Architecture

Architecture details

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

Storyboards

2

Launch: Launch Screen

Nibs

13

Scene manifest

Present

Explore technologies across all apps

Browse every SDK, framework, and language we detect, then compare the apps that share the same stack.

Tech Stack hub →