# Flutter vs Kivy

**Leader by vioscaleAI score:** Flutter

| Attribute | Flutter | Kivy |
|---|---|---|
| **vioscaleAI score** | 63.5 (78% (high)) | 46 (68% (medium)) |
| activity.commits_last_30d | 100 | 24 |
| adoption.dependent_repos | 9 | 709 |
| adoption.github_stars | 179,359 | 19,026 |
| content.faq | `[{"answer":"An open-source framework that compiles applications to native machine code for mobile and desktop platforms, and to JavaScript for web, enabling developers to create apps for multiple platforms using a single Dart codebase. It is indexed under Mobile App Frameworks.","source":"https://flutter.dev","question":"What is Flutter?","confidence":0.6},{"answer":"Flutter is open source, so it can be self-hosted and used at no licence cost. It is released under the BSD-3-Clause licence. Pricing changes often, so verify at source before relying on it.","source":"https://flutter.dev","question":"Is Flutter free to use?","confidence":0.6},{"answer":"Flutter supports the web, Windows, macOS, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://flutter.dev","question":"What platforms does Flutter support?","confidence":0.6},{"answer":"Yes. Flutter can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://flutter.dev","question":"Can Flutter be self-hosted?","confidence":0.6},{"answer":"We have confirmed 9 integrations for Flutter, including Firebase, Google Play, Google Pay, Google Wallet, Google Maps, Google Ads, Figma and CameraX, plus 1 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://flutter.dev","question":"What does Flutter integrate with?","confidence":0.6},{"answer":"Yes. Flutter is published under the BSD-3-Clause 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/flutter/flutter","question":"Is Flutter open source?","confidence":0.95},{"answer":"Flutter is available worldwide. The vendor is headquartered in the United States.","source":"https://flutter.dev","question":"Where is Flutter available?","confidence":0.75}]` | `[{"answer":"Open-source framework for creating user interfaces with Python, deployable to mobile devices, desktop operating systems, and embedded platforms from a single codebase. It is indexed under Mobile App Frameworks.","source":"https://kivy.org","question":"What is Kivy?","confidence":0.6},{"answer":"Kivy is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://kivy.org","question":"Is Kivy free to use?","confidence":0.6},{"answer":"Kivy supports Windows, macOS, Linux, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://kivy.org","question":"What platforms does Kivy support?","confidence":0.6},{"answer":"Yes. Kivy can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://kivy.org","question":"Can Kivy be self-hosted?","confidence":0.6},{"answer":"Yes. Kivy is published under the MIT 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/kivy/kivy","question":"Is Kivy open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source framework that compiles applications to native machine code for mobile and desktop platforms, and to JavaScript for web, enabling developers to create apps for multiple platforms using a single Dart codebase. | Open-source framework for creating user interfaces with Python, deployable to mobile devices, desktop operating systems, and embedded platforms from a single codebase. |
| features.capabilities | `{"targets":"iOS, Android, Web, Desktop (Windows, macOS, Linux), Embedded","approach":"multiplatform","language":"Dart","hot_reload":true,"web_target":true,"hot_reload_dev":true,"native_widgets":true,"bundled_runtime":true,"desktop_support":true,"official_ui_kit":true,"single_codebase":true,"typescript_first":false,"native_api_access":"plugin_bridged","native_look_and_feel":true,"accessibility_support":true,"mobile_target_support":true}` | `{"targets":"Android, iOS, Windows, Linux, macOS, embedded platforms","approach":"multiplatform","language":"Python","web_target":false,"desktop_support":true,"official_ui_kit":true,"single_codebase":true,"typescript_first":false,"native_api_access":"plugin_bridged","mobile_target_support":true}` |
| integrations.count | 7 | - |
| integrations.list | `[{"name":"Firebase"},{"name":"Google Play"},{"name":"Google Pay"},{"name":"Google Wallet"},{"name":"Google Maps"},{"name":"Google Ads"},{"name":"Figma"},{"name":"CameraX","native":true,"category":"media"},{"name":"Android Studio","native":true,"category":"development"},{"name":"pub.dev","native":true,"category":"package_management"}]` | - |
| language.primary | Dart | Python |
| license.spdx | BSD-3-Clause | MIT |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"ios":true,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` | `{"ios":true,"mac":true,"linux":true,"android":true,"windows":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://flutter.dev","retrievedAt":"2026-08-14T16:46:30.818Z"}` | `{"type":"open_source","summary":"Completely free and open source. Community supported through optional donations.","freeTier":true,"sourceUrl":"https://kivy.org","retrievedAt":"2026-08-16T21:32:29.621Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 32 | 342 |
| release.history | `[{"url":"https://github.com/flutter/flutter/releases/tag/3.19.0-0.1.pre","date":"2024-01-11T18:31:57Z","type":"stable","version":"3.19.0-0.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.18.0-0.1.pre","date":"2023-12-12T00:03:37Z","type":"stable","version":"3.18.0-0.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.17.0-0.1.pre","date":"2023-12-11T23:58:45Z","type":"stable","version":"3.17.0-0.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.16.0-0.1.pre","date":"2023-10-20T15:41:27Z","type":"stable","version":"3.16.0-0.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.15.0-15.1.pre","date":"2023-09-15T17:18:40Z","type":"stable","version":"3.15.0-15.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.14.0-0.1.pre","date":"2023-08-21T19:24:14Z","type":"stable","version":"3.14.0-0.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.13.0-0.1.pre","date":"2023-07-12T18:58:22Z","type":"stable","version":"3.13.0-0.1.pre"}]` | `[{"url":"https://github.com/kivy/kivy/releases/tag/2.3.1","date":"2024-12-26T18:37:03Z","type":"stable","version":"2.3.1"},{"url":"https://github.com/kivy/kivy/releases/tag/2.3.0","date":"2024-01-05T13:53:17Z","type":"stable","version":"2.3.0"},{"url":"https://github.com/kivy/kivy/releases/tag/2.2.1","date":"2023-06-17T17:37:56Z","type":"stable","version":"2.2.1"},{"url":"https://github.com/kivy/kivy/releases/tag/2.2.0","date":"2023-05-20T14:20:47Z","type":"stable","version":"2.2.0"},{"url":"https://github.com/kivy/kivy/releases/tag/2.1.0","date":"2022-03-06T10:55:38Z","type":"stable","version":"2.1.0"},{"url":"https://github.com/kivy/kivy/releases/tag/2.0.0","date":"2020-12-10T00:57:59Z","type":"stable","version":"2.0.0"},{"url":"https://github.com/kivy/kivy/releases/tag/1.11.1","date":"2020-07-19T19:42:19Z","type":"stable","version":"1.11.1"},{"url":"https://github.com/kivy/kivy/releases/tag/1.11.0","date":"2019-06-01T23:46:40Z","type":"stable","version":"1.11.0"},{"url":"https://github.com/kivy/kivy/releases/tag/1.10.1","date":"2018-07-09T00:33:57Z","type":"stable","version":"1.10.1"},{"url":"https://github.com/kivy/kivy/releases/tag/1.10.0","date":"2017-05-07T22:44:16Z","type":"stable","version":"1.10.0"},{"url":"https://github.com/kivy/kivy/releases/tag/1.9.1","date":"2016-01-01T01:01:40Z","type":"stable","version":"1.9.1"},{"url":"https://github.com/kivy/kivy/releases/tag/1.9.0","date":"2015-04-02T11:30:06Z","type":"stable","version":"1.9.0"},{"url":"https://github.com/kivy/kivy/releases/tag/1.8.0","date":"2014-10-20T21:37:38Z","type":"stable","version":"1.8.0"}]` |
| security.disclosure_policy | yes | - |
| security.scorecard | 7 | 4.8 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fflutter%2Fflutter&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=kivy&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Mobile App Frameworks)

| Capability | Flutter | Kivy |
|---|:--:|:--:|
| **Core** |  |  |
| Target platforms | iOS, Android, Web, Desktop (Windows, macOS, Linux), Embedded | Android, iOS, Windows, Linux, macOS, embedded platforms |
| Approach | Multiplatform shared logic | Multiplatform shared logic |
| Primary language | Dart | Python |
| **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 | Plugin / bridged |
| **Ecosystem** |  |  |
| Bundled UI component library | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-17T02:43:04.696Z. "-" = undocumented, not absent.*