Source: https://seerepo.com/compare/JetBrains/compose-multiplatform/vs/thunderbird/thunderbird-android
Markdown source: https://seerepo.com/compare/JetBrains/compose-multiplatform/vs/thunderbird/thunderbird-android.md
Description: compose-multiplatform and thunderbird-android share 10 technologies: Jetpack Compose, core-ktx, lifecycle-runtime-compose, lifecycle-runtime-ktx, lifecycle-viewmodel, org.jetbrains.compose.runtime:runtime, Google, material3, androidx.appcompat:appcompat, and org.jsoup:jsoup. Both are written in Kotlin.

# compose-multiplatform vs thunderbird-android

compose-multiplatform and thunderbird-android share 10 technologies: Jetpack Compose, core-ktx, lifecycle-runtime-compose, lifecycle-runtime-ktx, lifecycle-viewmodel, org.jetbrains.compose.runtime:runtime, Google, material3, androidx.appcompat:appcompat, and org.jsoup:jsoup. Both are written in Kotlin.

- [JetBrains/compose-multiplatform](https://seerepo.com/r/JetBrains/compose-multiplatform): Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.
- [thunderbird/thunderbird-android](https://seerepo.com/r/thunderbird/thunderbird-android): Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

## What they share and what sets them apart

- In common: Jetpack Compose, core-ktx, lifecycle-runtime-compose, lifecycle-runtime-ktx, lifecycle-viewmodel, org.jetbrains.compose.runtime:runtime, Google, material3, androidx.appcompat:appcompat, org.jsoup:jsoup
- Only in compose-multiplatform: Ktor, constraintlayout, JetBrains, material, ui-graphics, material-icons-core, coil-compose, slf4j-api, slf4j-simple
- Only in thunderbird-android: androidx.activity:activity, androidx.navigationevent:navigationevent, datastore-preferences, androidx.datastore:datastore, activity-compose, koin-bom, koin-compose, koin-compose-viewmodel, koin-core, koin-core-viewmodel, lifecycle-livedata-ktx, lifecycle-process, lifecycle-viewmodel-compose, lifecycle-viewmodel-savedstate, navigation-compose, androidx.core:core, adaptive, core-splashscreen, fragment-compose, glance-material3, graphics-path, org.jetbrains.compose.components:components-resources, androidx.fragment:fragment, androidx.recyclerview:recyclerview, androidx.preference:preference, androidx.coordinatorlayout:coordinatorlayout, Glance, de.hdodenhof:circleimageview, androidx.constraintlayout:constraintlayout, androidx.camera:camera-view, androidx.glance:glance-preview, androidx.swiperefreshlayout:swiperefreshlayout, androidx.window:window, material-icons-extended, net.openid:appauth, androidx.biometric:biometric, com.github.bumptech.glide:glide, jdom2, jinja2, org.apache.james:apache-mime4j-dom, com.fleeksoft.ksoup:ksoup, com.google.zxing:core, json-schema-validator, jsonschema, io.ktor:ktor-client-logging, logback-classic, timber

## Side by side

| | compose-multiplatform | thunderbird-android |
|---|---|---|
| Size | 155,780 lines written, 864 code files | 351,476 lines written, 2,919 code files |
| Who writes it | 0% of its commits signed by AI | 0% of its commits signed by AI |
| Activity | Last push November 5, 2026, 2,802 commits, 19,468 stars | Last push November 6, 2026, 17,173 commits, 14,195 stars |
| Tests | 430 test files. 31% of its code files have a test that imports them | 808 test files. 44.2% 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, compose-multiplatform or thunderbird-android?

thunderbird-android, with 351,476 lines written; compose-multiplatform has 155,780.

The proof: [thunderbird/thunderbird-android's code at commit 467787f](https://github.com/thunderbird/thunderbird-android/tree/467787fcc43e560aae2d670c7cfa5f9036ca486d)

### Which has more GitHub stars, compose-multiplatform or thunderbird-android?

compose-multiplatform, with 19,468 stars; thunderbird-android has 14,195.

The proof: [JetBrains/compose-multiplatform on GitHub](https://github.com/JetBrains/compose-multiplatform)

### Which has more tests, compose-multiplatform or thunderbird-android?

thunderbird-android, with 808 test files; compose-multiplatform has 430.

The proof: [thunderbird/thunderbird-android's code at commit 467787f](https://github.com/thunderbird/thunderbird-android/tree/467787fcc43e560aae2d670c7cfa5f9036ca486d)

### Which was updated more recently, compose-multiplatform or thunderbird-android?

thunderbird-android: its last push was on November 6, 2026, and compose-multiplatform's on November 5, 2026.

The proof: [thunderbird/thunderbird-android's commits on GitHub](https://github.com/thunderbird/thunderbird-android/commits)

## Sources

- JetBrains/compose-multiplatform: Read on November 6, 2026, at commit 986ae65 (https://github.com/JetBrains/compose-multiplatform/tree/986ae65bdb403552b21f4fdaad47d9bd90cbcebc)
- thunderbird/thunderbird-android: Read on November 9, 2026, at commit 467787f (https://github.com/thunderbird/thunderbird-android/tree/467787fcc43e560aae2d670c7cfa5f9036ca486d)

## 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.