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GmsCore vs Signal-Android

GmsCore and Signal-Android share 12 technologies: Jetpack Compose, core-ktx, lifecycle-livedata-ktx, navigation-fragment-ktx, navigation-ui-ktx, androidx.appcompat:appcompat, androidx.preference:preference, Google, androidx.camera:camera-view, androidx.credentials:credentials, androidx.biometric:biometric, and com.google.zxing:core. GmsCore is written in Java and Signal-Android in Kotlin.

Read it as markdown

What they share and what sets them apart

microg

GmsCore

Free implementation of Play Services

Java15.2kRead on November 8, 2026, at commit a03b082What is GmsCore built with?

Only in GmsCore

In common

signalapp

Signal-Android

A private messenger for Android.

Kotlin29.6kRead on November 8, 2026, at commit a74583bWhat is Signal-Android built with?

Only in Signal-Android

  • androidx.navigation3:navigation3-runtime
  • androidx.navigation3:navigation3-ui
  • androidx.lifecycle:lifecycle-viewmodel-navigation3
  • androidx.compose.runtime:runtime-livedata
  • androidx.navigation:navigation-compose
  • sqlite-framework
  • androidx.sqlite:sqlite
  • Firebase
  • fragment-ktx
  • lifecycle-common-java8
  • lifecycle-process
  • lifecycle-runtime-compose
  • lifecycle-viewmodel-savedstate
  • org.jetbrains.kotlin:kotlin-stdlib-jdk8
  • Airbnb
  • com.google.android.flexbox:flexbox
  • gridlayout
  • media3-ui-compose
  • recyclerview
  • window-java
  • androidx.constraintlayout:constraintlayout
  • com.airbnb.android:lottie
  • androidx.compose.material3.adaptive:adaptive
  • androidx.window:window
  • androidx.media3:media3-ui
  • com.google.accompanist:accompanist-drawablepainter
  • androidx.paging:paging-compose
  • androidx.camera:camera-compose
  • androidx.compose.material:material-icons-extended
  • com.google.android.gms:play-services-auth
  • credentials-play-services-auth
  • android-integration
  • camera-extensions
  • documentfile
  • Glide
  • androidx.exifinterface:exifinterface
  • com.github.jknack:handlebars
  • androidx.camera:camera-video

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
GmsCore219,411 lines written2,272 code files
Signal-Android951,618 lines written5,633 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
GmsCore0% of its commits signed by AIWith Cursor
Signal-Android0% of its commits signed by AI
ActivityFrom GitHub and its history, on the day SeeRepo read it.
GmsCoreLast push November 4, 20262,543 commits15,237 stars
Signal-AndroidLast push November 6, 202621,173 commits29,597 stars
TestsThe files that test the code, and the share of code files a test imports.
GmsCore2 test files0.1% of its code files have a test that imports them
Signal-Android1,054 test files32.5% of its code files have a test that imports them

Frequently asked questions

Which is bigger, GmsCore or Signal-Android?
Signal-Android, with 951,618 lines written; GmsCore has 219,411.

The proof: signalapp/Signal-Android's code at commit a74583b

Which has more GitHub stars, GmsCore or Signal-Android?
Signal-Android, with 29,597 stars; GmsCore has 15,237.

The proof: signalapp/Signal-Android on GitHub

Which has more tests, GmsCore or Signal-Android?
Signal-Android, with 1,054 test files; GmsCore has 2.

The proof: signalapp/Signal-Android's code at commit a74583b

Which was updated more recently, GmsCore or Signal-Android?
Signal-Android: its last push was on November 6, 2026, and GmsCore's on November 4, 2026.

The proof: signalapp/Signal-Android's commits on GitHub

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