Source: https://seerepo.com/compare/microg/GmsCore/vs/signalapp/Signal-Android
Markdown source: https://seerepo.com/compare/microg/GmsCore/vs/signalapp/Signal-Android.md
Description: 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.

# 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.

- [microg/GmsCore](https://seerepo.com/r/microg/GmsCore): Free implementation of Play Services
- [signalapp/Signal-Android](https://seerepo.com/r/signalapp/Signal-Android): A private messenger for Android.

## What they share and what sets them apart

- In common: 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, com.google.zxing:core
- Only in GmsCore: androidx.activity:activity, datastore, activity-compose, JetBrains, lifecycle-runtime-ktx, lifecycle-service, androidx.core:core, preference-ktx, androidx.fragment:fragment, Huawei, androidx.recyclerview:recyclerview, androidx.mediarouter:mediarouter, com.google.accompanist:accompanist-systemuicontroller, coil-compose, coil-svg
- 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

| | GmsCore | Signal-Android |
|---|---|---|
| Size | 219,411 lines written, 2,272 code files | 951,618 lines written, 5,633 code files |
| Who writes it | 0% of its commits signed by AI. With Cursor | 0% of its commits signed by AI |
| Activity | Last push November 4, 2026, 2,543 commits, 15,237 stars | Last push November 6, 2026, 21,173 commits, 29,597 stars |
| Tests | 2 test files. 0.1% of its code files have a test that imports them | 1,054 test files. 32.5% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## 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](https://github.com/signalapp/Signal-Android/tree/a74583b01e260944f699c4da03ba4e8ce04de32b)

### 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](https://github.com/signalapp/Signal-Android)

### 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](https://github.com/signalapp/Signal-Android/tree/a74583b01e260944f699c4da03ba4e8ce04de32b)

### 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](https://github.com/signalapp/Signal-Android/commits)

## Sources

- microg/GmsCore: Read on November 8, 2026, at commit a03b082 (https://github.com/microg/GmsCore/tree/a03b082db8a07b4ec5342b4cdcb112c0ba1a6b2d)
- signalapp/Signal-Android: Read on November 8, 2026, at commit a74583b (https://github.com/signalapp/Signal-Android/tree/a74583b01e260944f699c4da03ba4e8ce04de32b)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.