Comparison

Compose Multiplatform vs Kotlin Multiplatform

On the evidence we track, Compose Multiplatform leads this comparison with a composite score of 74/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Compose Multiplatform full profile →Kotlin Multiplatform full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

★Compose Multiplatform74

Kotlin Multiplatform56

Attribute comparison across 2 tools
Attribute	Compose MultiplatformLeader	Kotlin Multiplatform
vioscaleAI score	74 / 100medium · 52%	56 / 100medium · 62%
Pricing
Free tierpricing.free_tier	✓	-
Modelpricing.model	open_source	-
Price levelpricing.price_level	free	-
Transparentpricing.transparent	✓	-
Integrations
Countintegrations.count	-	8
Security
Disclosure policysecurity.disclosure_policy	✓	✓
Gdprsecurity.gdpr	✓	-
Trust centersecurity.trust_center	https://www.jetbrains.com/company/commitment/compliance-highlights/	-
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.jetbrains.kotlin%3Akotlin-stdlib-jdk8&per_page=100 · Last 12m: 0	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.jetbrains.compose.foundation%3Afoundation&per_page=100 · Last 12m: 0
Reliability
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	47,093	14
Github starsadoption.github_stars	53,486	19,421
Activity
Commits last 30dactivity.commits_last_30d	100	37
Release
Cadence daysrelease.cadence_days	8	13
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	Kotlin	Kotlin
Content
Faqcontent.faq	5 items	3 items

Score

vioscaleAI score

Compose Multiplatform74 / 100medium · 52%

Kotlin Multiplatform56 / 100medium · 62%

Pricing

Free tier

Compose Multiplatform✓

Kotlin Multiplatform–

Model

Compose Multiplatformopen_source

Kotlin Multiplatform–

Price level

Compose Multiplatformfree

Kotlin Multiplatform–

Transparent

Compose Multiplatform✓

Kotlin Multiplatform–

Integrations

Count

Compose Multiplatform–

Kotlin Multiplatform8

Security

Disclosure policy

Compose Multiplatform✓

Kotlin Multiplatform✓

Gdpr

Compose Multiplatform✓

Kotlin Multiplatform–

Trust center

Compose Multiplatformhttps://www.jetbrains.com/company/commitment/compliance-highlights/

Kotlin Multiplatform–

Vulnerabilities

Compose MultiplatformCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.jetbrains.kotlin%3Akotlin-stdlib-jdk8&per_page=100 · Last 12m: 0

Kotlin MultiplatformCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.jetbrains.compose.foundation%3Afoundation&per_page=100 · Last 12m: 0

Reliability

Status page

Compose Multiplatform✓

Kotlin Multiplatform–

Adoption

Dependent repos

Compose Multiplatform47,093

Kotlin Multiplatform14

Github stars

Compose Multiplatform53,486

Kotlin Multiplatform19,421

Activity

Commits last 30d

Compose Multiplatform100

Kotlin Multiplatform37

Release

Cadence days

Compose Multiplatform8

Kotlin Multiplatform13

History

Compose Multiplatform20 items

Kotlin Multiplatform20 items

License

Spdx

Compose Multiplatform–

Kotlin MultiplatformApache-2.0

Language

Primary

Compose MultiplatformKotlin

Kotlin MultiplatformKotlin

Content

Faq

Compose Multiplatform5 items

Kotlin Multiplatform3 items

Capabilities

Feature-by-feature on the axes that matter for mobile app frameworks. “-” means undocumented, not absent.

Capability comparison for Mobile App Frameworks
Capability	Compose Multiplatform	Kotlin Multiplatform
Core
Target platforms	Android, iOS, Windows, macOS, Linux, Web	Android, iOS, desktop, and web
Approach	Native declarative	Multiplatform shared logic
Primary language	Kotlin	Kotlin
Rendering
Renders true native UI	✓	✓
DX
Hot reload	✓	✓
TypeScript-first	✗	✗
Delivery
Over-the-air code push	-	-
Portability
Single codebase, multiple platforms	✓	✓
Desktop support	✓	✓
Builds for web	✓	✓
Capability
Native API access	Full native	Plugin / bridged
Ecosystem
Bundled UI component library	✓	✓

Core

Target platforms

Compose MultiplatformAndroid, iOS, Windows, macOS, Linux, Web

Kotlin MultiplatformAndroid, iOS, desktop, and web

Approach

Compose MultiplatformNative declarative

Kotlin MultiplatformMultiplatform shared logic

Primary language

Compose MultiplatformKotlin

Kotlin MultiplatformKotlin

Rendering

Renders true native UI

Compose Multiplatform✓

Kotlin Multiplatform✓

Hot reload

Compose Multiplatform✓

Kotlin Multiplatform✓

TypeScript-first

Compose Multiplatform✗

Kotlin Multiplatform✗

Delivery

Over-the-air code push

Compose Multiplatform-

Kotlin Multiplatform-

Portability

Single codebase, multiple platforms

Compose Multiplatform✓

Kotlin Multiplatform✓

Desktop support

Compose Multiplatform✓

Kotlin Multiplatform✓

Builds for web

Compose Multiplatform✓

Kotlin Multiplatform✓

Capability

Native API access

Compose MultiplatformFull native

Kotlin MultiplatformPlugin / bridged

Ecosystem

Bundled UI component library

Compose Multiplatform✓

Kotlin Multiplatform✓

What each one is

The product in its own terms, so the numbers below have context.

Compose Multiplatform

Leader

A declarative Kotlin UI framework developed by JetBrains that allows developers to write user interface code once and deploy it across Android, iOS, desktop (Windows, macOS, Linux), and web platforms.

Independently observed

Kotlin Multiplatform

A framework for building applications that run on Android, iOS, desktop, and web platforms, allowing developers to share code across platforms while choosing between shared UI through Compose or platform-specific native implementations

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Compose Multiplatform

Leader

Open source

as of 2026-10-07verify ↗

Kotlin Multiplatform

Pricing not documented yet.

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Compose Multiplatform	Kotlin Multiplatform
WebPlatforms	✓	✗
iOSPlatforms	✓	✓
AndroidPlatforms	✓	✓
macOSPlatforms	✓	✓
WindowsPlatforms	✓	✓
LinuxPlatforms	✓	✓
Self-hostedDeployment	✓	-
On-premiseDeployment	✓	-

Platforms

Web

Compose Multiplatform✓

Kotlin Multiplatform✗

iOS

Compose Multiplatform✓

Kotlin Multiplatform✓

Android

Compose Multiplatform✓

Kotlin Multiplatform✓

macOS

Compose Multiplatform✓

Kotlin Multiplatform✓

Windows

Compose Multiplatform✓

Kotlin Multiplatform✓

Linux

Compose Multiplatform✓

Kotlin Multiplatform✓

Deployment

Self-hosted

Compose Multiplatform✓

Kotlin Multiplatform–

On-premise

Compose Multiplatform✓

Kotlin Multiplatform–

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Compose Multiplatform

Leader

Not documented yet.

Kotlin Multiplatform

8 total

Gradle
Maven
Xcode
IntelliJ IDEA
Android Studio
CocoaPods
Swift Package Manager
Spring Framework

Independently observed

Still deciding?

Compose Multiplatform or Kotlin Multiplatform: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.