Comparison

Kotlin Multiplatform vs Uno Platform

On the evidence we track, Uno Platform leads this comparison with a composite score of 62/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Kotlin Multiplatform full profile →Uno Platform full profile →

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Kotlin Multiplatform56

★Uno Platform62

Attribute comparison across 2 tools
Attribute	Kotlin Multiplatform	Uno PlatformLeader
vioscaleAI score	56 / 100medium · 62%	62 / 100high · 79%
Pricing
Free tierpricing.free_tier	-	✓
Modelpricing.model	-	freemium
Price levelpricing.price_level	-	mid
Starting pricepricing.starting_price	-	$39
Transparentpricing.transparent	-	✓
Integrations
Countintegrations.count	8	7
Security
Disclosure policysecurity.disclosure_policy	✓	-
Gdprsecurity.gdpr	-	✓
Scorecardsecurity.scorecard	-	6.2
Vulnerabilitiessecurity.vulnerabilities	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	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nuget&package_name=uno.ui.skia.wpf&per_page=100 · Last 12m: 0
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	14	0
Github starsadoption.github_stars	19,421	10,062
Activity
Commits last 30dactivity.commits_last_30d	37	100
Release
Cadence daysrelease.cadence_days	13	13
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	Apache-2.0	Apache-2.0
Language
Primarylanguage.primary	Kotlin	C#
Market
Availabilitymarket.availability	-	Available worldwide · Popular in US, CA, GB
Content
Faqcontent.faq	3 items	8 items

Score

vioscaleAI score

Kotlin Multiplatform56 / 100medium · 62%

Uno Platform62 / 100high · 79%

Pricing

Free tier

Kotlin Multiplatform–

Uno Platform✓

Model

Kotlin Multiplatform–

Uno Platformfreemium

Price level

Kotlin Multiplatform–

Uno Platformmid

Starting price

Kotlin Multiplatform–

Uno Platform$39

Transparent

Kotlin Multiplatform–

Uno Platform✓

Integrations

Count

Kotlin Multiplatform8

Uno Platform7

Security

Disclosure policy

Kotlin Multiplatform✓

Uno Platform–

Gdpr

Kotlin Multiplatform–

Uno Platform✓

Scorecard

Kotlin Multiplatform–

Uno Platform6.2

Vulnerabilities

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

Uno PlatformCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nuget&package_name=uno.ui.skia.wpf&per_page=100 · Last 12m: 0

Reliability

Status page

Kotlin Multiplatform–

Uno Platform✓

Adoption

Dependent repos

Kotlin Multiplatform14

Uno Platform0

Github stars

Kotlin Multiplatform19,421

Uno Platform10,062

Activity

Commits last 30d

Kotlin Multiplatform37

Uno Platform100

Release

Cadence days

Kotlin Multiplatform13

Uno Platform13

History

Kotlin Multiplatform20 items

Uno Platform20 items

License

Spdx

Kotlin MultiplatformApache-2.0

Uno PlatformApache-2.0

Language

Primary

Kotlin MultiplatformKotlin

Uno PlatformC#

Market

Availability

Kotlin Multiplatform–

Uno PlatformAvailable worldwide · Popular in US, CA, GB

Content

Faq

Kotlin Multiplatform3 items

Uno Platform8 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	Kotlin Multiplatform	Uno Platform
Core
Target platforms	Android, iOS, desktop, and web	Web, iOS, Android, Windows Desktop
Approach	Multiplatform shared logic	Multiplatform shared logic
Primary language	Kotlin	C# and XAML
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	Plugin / bridged	Full native
Ecosystem
Bundled UI component library	✓	✓

Core

Target platforms

Kotlin MultiplatformAndroid, iOS, desktop, and web

Uno PlatformWeb, iOS, Android, Windows Desktop

Approach

Kotlin MultiplatformMultiplatform shared logic

Uno PlatformMultiplatform shared logic

Primary language

Kotlin MultiplatformKotlin

Uno PlatformC# and XAML

Rendering

Renders true native UI

Kotlin Multiplatform✓

Uno Platform✓

Hot reload

Kotlin Multiplatform✓

Uno Platform✓

TypeScript-first

Kotlin Multiplatform✗

Uno Platform✗

Delivery

Over-the-air code push

Kotlin Multiplatform-

Uno Platform-

Portability

Single codebase, multiple platforms

Kotlin Multiplatform✓

Uno Platform✓

Desktop support

Kotlin Multiplatform✓

Uno Platform✓

Builds for web

Kotlin Multiplatform✓

Uno Platform✓

Capability

Native API access

Kotlin MultiplatformPlugin / bridged

Uno PlatformFull native

Ecosystem

Bundled UI component library

Kotlin Multiplatform✓

Uno Platform✓

What each one is

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

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

Uno Platform

Leader

Cross-platform development framework enabling single-codebase compilation to native applications on iOS, Android, Windows, macOS, Linux, and WebAssembly, featuring built-in visual design tools and AI-assisted development

Independently observed

Pricing

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

Kotlin Multiplatform

Pricing not documented yet.

Uno Platform

Leader

from $39/moSubscriptionFree tier15-day trial

Free Community tier. Pro from $39/month ($390/year). Business $119/month ($1,190/year). 15-day Pro trial included with all accounts.

CommunityFree
- Developer Essentials
- Hot Reload
- Toolkit
- Support (limited to Studio features)
- MCP (Unlimited use)
- +2 more
Pro$39/month or $390/year (16% savings annually)
- Hot Design
- Studio App
- App MCP (Context)
- 100 AI Credits
BusinessContact sales
- Hot Design Previews
- Hot Design Snippets
- 200 AI Credits

as of 2026-10-06verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Kotlin Multiplatform	Uno Platform
WebPlatforms	✗	✓
iOSPlatforms	✓	✓
AndroidPlatforms	✓	✓
macOSPlatforms	✓	✓
WindowsPlatforms	✓	✓
LinuxPlatforms	✓	✓
CLIPlatforms	✗	✓
Cloud / SaaSDeployment	-	✓

Platforms

Web

Kotlin Multiplatform✗

Uno Platform✓

iOS

Kotlin Multiplatform✓

Uno Platform✓

Android

Kotlin Multiplatform✓

Uno Platform✓

macOS

Kotlin Multiplatform✓

Uno Platform✓

Windows

Kotlin Multiplatform✓

Uno Platform✓

Linux

Kotlin Multiplatform✓

Uno Platform✓

CLI

Kotlin Multiplatform✗

Uno Platform✓

Deployment

Cloud / SaaS

Kotlin Multiplatform–

Uno Platform✓

Integrations

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

Kotlin Multiplatform

8 total

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

Independently observed

Uno Platform

Leader

10 total

Visual Studio
VS Code
Claude Code
GitHub Copilot CLI
OpenAI Codex
Google Antigravity
Azure Mobile Apps
GitHub
OpenAI
GitPod

Independently observed

Still deciding?

Kotlin Multiplatform or Uno Platform: 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.