# Compose Multiplatform vs Uno Platform

**Leader by vioscaleAI score:** Compose Multiplatform

| Attribute | Compose Multiplatform | Uno Platform |
|---|---|---|
| **vioscaleAI score** | 73.7 (52% (medium)) | 62.1 (79% (high)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 47,093 | 0 |
| adoption.github_stars | 53,486 | 10,062 |
| content.faq | `[{"answer":"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. It is indexed under Mobile App Frameworks.","source":"https://www.jetbrains.com/lp/compose-multiplatform/","question":"What is Compose Multiplatform?","confidence":0.6},{"answer":"Compose Multiplatform is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://www.jetbrains.com/lp/compose-multiplatform/","question":"Is Compose Multiplatform free to use?","confidence":0.6},{"answer":"Compose Multiplatform supports the web, Windows, macOS, Linux, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.jetbrains.com/lp/compose-multiplatform/","question":"What platforms does Compose Multiplatform support?","confidence":0.6},{"answer":"Yes. Compose Multiplatform can be deployed on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.jetbrains.com/lp/compose-multiplatform/","question":"Can Compose Multiplatform be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Compose Multiplatform. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Compose Multiplatform not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.jetbrains.com/company/commitment/compliance-highlights/","question":"What security certifications does Compose Multiplatform have?","confidence":0.7}]` | `[{"answer":"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. It is indexed under Mobile App Frameworks.","source":"https://platform.uno/pricing/","question":"What is Uno Platform?","confidence":0.6},{"answer":"Uno Platform is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. A commercial or hosted edition starts at $39 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://platform.uno/pricing/","question":"Is Uno Platform free to use?","confidence":0.6},{"answer":"Uno Platform supports the web, Windows, macOS, Linux, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://platform.uno/pricing/","question":"What platforms does Uno Platform support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Uno Platform, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://platform.uno/pricing/","question":"Can Uno Platform be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for Uno Platform, including Visual Studio, VS Code, Claude Code, GitHub Copilot CLI, OpenAI Codex, Google Antigravity and Azure Mobile Apps. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://platform.uno/pricing/","question":"What does Uno Platform integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Uno Platform. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Uno Platform not holding them. Always confirm compliance directly before you rely on it.","source":"https://platform.uno/privacy-policy/","question":"What security certifications does Uno Platform have?","confidence":0.7},{"answer":"Yes. Uno Platform is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/unoplatform/uno","question":"Is Uno Platform open source?","confidence":0.95},{"answer":"Uno Platform is available worldwide. Its primary markets are the United States, Canada and the United Kingdom.","source":"https://platform.uno/pricing/","question":"Where is Uno Platform available?","confidence":0.75}]` |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | 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. | 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 |
| 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","native_look_and_feel":true,"mobile_target_support":true}` | `{"targets":"Web, iOS, Android, Windows Desktop","approach":"multiplatform","language":"C# and XAML","hot_reload":true,"web_target":true,"ide_bundled":false,"hot_reload_dev":true,"native_widgets":true,"desktop_support":true,"official_ui_kit":true,"single_codebase":true,"typescript_first":false,"native_api_access":"full","native_look_and_feel":true,"mobile_target_support":true}` |
| integrations.count | - | 7 |
| integrations.list | - | `[{"name":"Visual Studio"},{"name":"VS Code"},{"name":"Claude Code"},{"name":"GitHub Copilot CLI"},{"name":"OpenAI Codex"},{"name":"Google Antigravity"},{"name":"Azure Mobile Apps","native":true,"category":"backend","direction":"bidirectional"},{"name":"GitHub","native":true,"category":"vcs","direction":"bidirectional"},{"name":"OpenAI","native":false,"category":"ai_model","direction":"outbound"},{"name":"GitPod","native":true,"category":"development_environment","direction":"bidirectional"}]` |
| 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,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://www.jetbrains.com/lp/compose-multiplatform/","retrievedAt":"2026-10-07T15:24:09.818Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Community","summary":"Free","features":["Developer Essentials","Hot Reload","Toolkit","Support (limited to Studio features)","MCP (Unlimited use)","App MCP (Interactivity)","Skills (Essential Pack, 70+ skills)"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Pro","summary":"$39/month or $390/year (16% savings annually)","features":["Hot Design","Studio App","App MCP (Context)","100 AI Credits"],"components":[{"kind":"fixed","amount":39,"period":"month","currency":"USD"},{"kind":"fixed","amount":390,"period":"year","currency":"USD"}],"contactSales":false},{"free":false,"name":"Business","summary":"$119/month or $1,190/year","features":["Hot Design Previews","Hot Design Snippets","200 AI Credits"],"components":[{"kind":"fixed","amount":119,"period":"month","currency":"USD"},{"kind":"fixed","amount":1190,"period":"year","currency":"USD"}],"contactSales":true}],"summary":"Free Community tier. Pro from $39/month ($390/year). Business $119/month ($1,190/year). 15-day Pro trial included with all accounts.","currency":"USD","freeTier":true,"sourceUrl":"https://platform.uno/pricing/","retrievedAt":"2026-10-06T11:29:28.841Z","freeTrialDays":15,"startingPrice":{"amount":39,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | mid |
| pricing.starting_price | - | `{"amount":39,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | 8 | 13 |
| release.history | `[{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.21-RC","date":"2026-09-30T11:30:47Z","type":"prerelease","version":"v2.4.21-RC"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.5.0-Beta1","date":"2026-09-23T12:02:11Z","type":"prerelease","version":"v2.5.0-Beta1"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.20","date":"2026-09-07T10:31:56Z","type":"stable","version":"v2.4.20"},{"url":"https://github.com/JetBrains/kotlin/releases/tag/v2.4.20-RC3","date":"2026-09-02T09:49:47Z","type":"prerelease","version":"v2.4.20-RC3"},{"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/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 | yes |
| security.scorecard | - | 6.2 |
| security.trust_center | https://www.jetbrains.com/company/commitment/compliance-highlights/ | - |
| 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.ui.skia.wpf&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: vioscaleAI. Generated 2026-10-16T19:14:23.950Z. "-" = undocumented, not absent.*