# Compose Multiplatform vs Uno Platform

**Leader by Vioscale score:** Compose Multiplatform

| Attribute | Compose Multiplatform | Uno Platform |
|---|---|---|
| **Vioscale score** | 77.9 (63% (medium)) | 58.7 (78% (high)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 47,093 | 0 |
| adoption.github_stars | 53,351 | 10,019 |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | An open-source, declarative UI framework for Kotlin that enables sharing code across multiple platforms. Built on Jetpack Compose and Kotlin Multiplatform, developed by JetBrains. | Uno Platform is a framework for building cross-platform .NET applications targeting Web, Desktop, Mobile (iOS/Android) from a single C# and XAML codebase. It includes AI-powered visual tools, hot reload, and MCP integration for accelerated development. |
| features.capabilities | `{"targets":"Android, iOS, Windows, macOS, Linux, Web","approach":"native_declarative","language":"Kotlin","hot_reload":true,"web_target":true,"native_widgets":true,"desktop_support":true,"official_ui_kit":true,"single_codebase":true,"typescript_first":false,"native_api_access":"full"}` | `{"targets":"Web, iOS, Android, Windows Desktop","approach":"multiplatform","language":"C# and XAML","hot_reload":true,"web_target":true,"native_widgets":true,"desktop_support":true,"single_codebase":true,"typescript_first":false,"native_api_access":"full"}` |
| integrations.count | - | 6 |
| integrations.list | - | `[{"name":"Visual Studio"},{"name":"VS Code"},{"name":"Claude Code"},{"name":"GitHub Copilot CLI"},{"name":"OpenAI Codex"},{"name":"Google Antigravity"}]` |
| language.primary | Kotlin | C# |
| license.spdx | - | Apache-2.0 |
| market.availability | - | `{"primaryMarkets":["US","CA","GB"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"ios":true,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` | `{"cli":true,"ios":true,"web":true,"android":true,"windows":true}` |
| pricing | `{"type":"open_source","summary":"Open-source, free","freeTier":true,"sourceUrl":"https://www.jetbrains.com/lp/compose-multiplatform/","retrievedAt":"2026-08-13T18:17:40.704Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Community","summary":"Free tier","features":["Developer Essentials","Hot Reload","Toolkit","Support","AI-Powered","MCP (Unlimited use)","App MCP (Interactivity)","Skills (Essential Pack, 70+ Skills)"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free tier with core developer tools","contactSales":false},{"free":false,"name":"Pro","summary":"$39/month","features":["Developer Essentials","Hot Reload","Toolkit","Hot Design","Support","AI-Powered","Studio App","MCP (Unlimited use)","App MCP (Interactivity)","App MCP (Context)","100 AI Credits","Skills (Essential Pack, 70+ Skills)"],"components":[{"kind":"fixed","amount":39,"period":"month","currency":"USD"}],"description":"Professional tier with advanced features and AI credits","contactSales":false,"includedLimits":{"ai_credits":"100/month"}}],"addOns":[{"name":"Additional AI Credits"}],"summary":"From free. Pro tier $39/month with 100 AI Credits. Free 15-day Business trial available.","currency":"USD","freeTier":true,"sourceUrl":"https://platform.uno/pricing/","retrievedAt":"2026-08-13T18:17:18.157Z","freeTrialDays":15,"startingPrice":{"amount":39,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | mid |
| pricing.transparent | yes | yes |
| release.cadence_days | 9 | 13 |
| release.history | `[{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.20-RC2","date":"2026-08-26T10:02:56Z","type":"prerelease","version":"v2.4.20-RC2"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.20-RC","date":"2026-08-12T09:36:59Z","type":"prerelease","version":"v2.4.20-RC"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.20-Beta2","date":"2026-07-22T11:41:10Z","type":"prerelease","version":"v2.4.20-Beta2"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.10","date":"2026-07-14T10:47:27Z","type":"stable","version":"v2.4.10"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.10-RC2","date":"2026-07-07T12:46:47Z","type":"prerelease","version":"v2.4.10-RC2"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.10-RC","date":"2026-06-25T09:46:40Z","type":"prerelease","version":"v2.4.10-RC"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.20-Beta1","date":"2026-06-24T13:16:57Z","type":"prerelease","version":"v2.4.20-Beta1"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.0","date":"2026-06-03T09:31:47Z","type":"stable","version":"v2.4.0"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.0-RC2","date":"2026-05-27T12:43:02Z","type":"prerelease","version":"v2.4.0-RC2"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.0-RC","date":"2026-05-13T12:30:38Z","type":"prerelease","version":"v2.4.0-RC"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.0-Beta2","date":"2026-04-22T09:52:15Z","type":"prerelease","version":"v2.4.0-Beta2"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.3.21","date":"2026-04-23T10:11:51Z","type":"stable","version":"v2.3.21"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.3.21-RC2","date":"2026-04-16T13:59:12Z","type":"prerelease","version":"v2.3.21-RC2"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.3.21-RC","date":"2026-04-07T12:24:41Z","type":"prerelease","version":"v2.3.21-RC"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.0-Beta1","date":"2026-03-31T13:10:43Z","type":"prerelease","version":"v2.4.0-Beta1"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.3.20","date":"2026-03-16T09:37:25Z","type":"stable","version":"v2.3.20"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.3.20-RC3","date":"2026-03-10T12:54:01Z","type":"prerelease","version":"v2.3.20-RC3"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.3.20-RC2","date":"2026-03-03T11:47:42Z","type":"prerelease","version":"v2.3.20-RC2"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.3.20-RC","date":"2026-02-19T13:11:27Z","type":"prerelease","version":"v2.3.20-RC"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.3.10","date":"2026-02-05T11:48:04Z","type":"stable","version":"v2.3.10"}]` | `[{"url":"https://github.com/unoplatform/uno/releases/tag/6.6.184","date":"2026-08-06T14:19:14Z","type":"stable","version":"6.6.184"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.6.176","date":"2026-07-30T01:36:19Z","type":"stable","version":"6.6.176"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.6.166","date":"2026-07-30T01:32:22Z","type":"stable","version":"6.6.166"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.5.237","date":"2026-05-20T00:38:04Z","type":"stable","version":"6.5.237"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.5.229","date":"2026-05-06T19:13:37Z","type":"stable","version":"6.5.229"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.5.153","date":"2026-02-11T18:58:10Z","type":"stable","version":"6.5.153"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.5.64","date":"2026-02-11T18:55:31Z","type":"stable","version":"6.5.64"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.4.242","date":"2026-01-15T03:55:31Z","type":"stable","version":"6.4.242"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.4.229","date":"2025-12-25T00:55:28Z","type":"stable","version":"6.4.229"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.4.195","date":"2025-12-02T00:05:42Z","type":"stable","version":"6.4.195"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.4.185","date":"2025-11-22T01:48:13Z","type":"stable","version":"6.4.185"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.4.133","date":"2025-11-20T05:20:09Z","type":"stable","version":"6.4.133"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.4.106","date":"2025-11-20T04:35:53Z","type":"stable","version":"6.4.106"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.4.43","date":"2025-11-20T04:33:37Z","type":"stable","version":"6.4.43"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.3.62","date":"2025-10-09T14:51:28Z","type":"stable","version":"6.3.62"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.2.87","date":"2025-09-30T15:49:25Z","type":"stable","version":"6.2.87"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.2.58","date":"2025-08-26T14:57:51Z","type":"stable","version":"6.2.58"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.1.34","date":"2025-07-17T20:32:49Z","type":"stable","version":"6.1.34"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.0.797","date":"2025-06-18T19:38:46Z","type":"stable","version":"6.0.797"},{"url":"https://github.com/unoplatform/uno/releases/tag/6.0.780","date":"2025-06-11T15:42:46Z","type":"stable","version":"6.0.780"}]` |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.scorecard | - | 6.2 |
| security.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,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nuget&package_name=uno.winui.webview.skia.x11&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Mobile App Frameworks)

| Capability | Compose Multiplatform | Uno Platform |
|---|:--:|:--:|
| **Core** |  |  |
| Target platforms | Android, iOS, Windows, macOS, Linux, Web | Web, iOS, Android, Windows Desktop |
| Approach | Native declarative | 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 | Full native | Full native |
| **Ecosystem** |  |  |
| Bundled UI component library | ✓ | - |

*Source: Vioscale. Generated 2026-09-01T15:21:25.979Z. "-" = undocumented, not absent.*