# Appium vs Selenium

**Leader by vioscaleAI score:** Selenium

| Attribute | Appium | Selenium |
|---|---|---|
| **vioscaleAI score** | 50.5 (32% (low)) | 71.7 (76% (high)) |
| activity.commits_last_30d | 64 | 100 |
| adoption.dependent_repos | 867 | 98,124 |
| adoption.github_stars | 22,068 | 34,541 |
| adoption.package_downloads_weekly | - | 6,935,447 |
| content.faq | `[{"answer":"Appium is an open-source project and ecosystem designed to facilitate UI automation of many app platforms, including mobile (iOS, Android, Tizen), browser (Chrome, Firefox, Safari), desktop (macOS, Windows), TV (Roku, tvOS, Android TV, Samsung), and more. It is indexed under Testing Tools.","source":"https://appium.io","question":"What is Appium?","confidence":0.6},{"answer":"Appium is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://appium.io","question":"Is Appium free to use?","confidence":0.6},{"answer":"Appium supports the web, Windows, macOS, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://appium.io","question":"What platforms does Appium support?","confidence":0.6},{"answer":"Yes. Appium can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://appium.io","question":"Can Appium be self-hosted?","confidence":0.6},{"answer":"Yes. Appium 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/appium/appium","question":"Is Appium open source?","confidence":0.95}]` | `[{"answer":"Open-source tool that automates web browsers to enable automated testing of web applications, regression testing, and automation of repetitive web-based administrative tasks. Includes WebDriver for robust test automation, IDE for record-and-playback scripting, and Grid for distributed test execution. It is indexed under Testing Tools.","source":"https://www.selenium.dev","question":"What is Selenium?","confidence":0.6},{"answer":"Selenium is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://www.selenium.dev","question":"Is Selenium free to use?","confidence":0.6},{"answer":"Selenium supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.selenium.dev","question":"What platforms does Selenium support?","confidence":0.6},{"answer":"Yes. Selenium can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.selenium.dev","question":"Can Selenium be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for Selenium, including Chrome, Firefox, Edge and Appium. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.selenium.dev","question":"What does Selenium integrate with?","confidence":0.6},{"answer":"Yes. Selenium 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/SeleniumHQ/selenium","question":"Is Selenium open source?","confidence":0.99}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source testing automation platform that enables automated interaction with user interfaces across multiple application platforms, including mobile devices (iOS, Android), web browsers (Chrome, Firefox, Safari), desktop operating systems, and TV platforms. | Selenium is an open-source testing framework that automates web browsers for testing applications and automating web-based administration tasks across multiple programming languages. |
| features.capabilities | `{"test_types":"e2e","browser_automation":true}` | `{"protocol":"multi","languages":"Java, JavaScript, Python, Ruby, .NET","test_types":"e2e","open_source":true,"headless_mode":true,"ci_integration":true,"no_code_recorder":true,"browser_automation":true,"parallel_execution":true}` |
| integrations.count | - | 5 |
| integrations.list | - | `[{"name":"Chrome"},{"name":"Firefox"},{"name":"Edge"},{"name":"Appium"},{"name":"Chrome for Testing (CfT)"}]` |
| language.primary | TypeScript | Java |
| license.spdx | Apache-2.0 | Apache-2.0 |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"ios":true,"mac":true,"web":true,"android":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://appium.io","retrievedAt":"2026-08-13T18:17:11.090Z"}` | `{"type":"open_source","sourceUrl":"https://www.selenium.dev","retrievedAt":"2026-10-13T15:12:44.428Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 30 |
| release.history | `[{"url":"https://github.com/appium/appium/releases/tag/appium%404.0.0-beta.4","date":"2026-10-09T17:41:54Z","type":"prerelease","version":"appium@4.0.0-beta.4"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/universal-xml-plugin%404.0.0-beta.4","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/universal-xml-plugin@4.0.0-beta.4"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/types%402.0.0-beta.3","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/types@2.0.0-beta.3"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/support%408.0.0-beta.3","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/support@8.0.0-beta.3"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/storage-plugin%403.0.0-beta.4","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/storage-plugin@3.0.0-beta.4"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/schema%402.0.0-beta.2","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/schema@2.0.0-beta.2"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/relaxed-caps-plugin%404.0.0-beta.4","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/relaxed-caps-plugin@4.0.0-beta.4"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/plugin-test-support%404.0.0-beta.4","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/plugin-test-support@4.0.0-beta.4"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/oxc-config%402.0.0-beta.2","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/oxc-config@2.0.0-beta.2"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/opencv%406.0.0-beta.3","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/opencv@6.0.0-beta.3"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/logger%403.0.0-beta.2","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/logger@3.0.0-beta.2"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/images-plugin%406.0.0-beta.4","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/images-plugin@6.0.0-beta.4"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/http-server%401.0.0-beta.3","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/http-server@1.0.0-beta.3"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/fake-plugin%405.0.0-beta.4","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/fake-plugin@5.0.0-beta.4"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/fake-driver%407.0.0-beta.4","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/fake-driver@7.0.0-beta.4"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/execute-driver-plugin%408.0.0-beta.4","date":"2026-10-09T17:41:54Z","type":"prerelease","version":"@appium/execute-driver-plugin@8.0.0-beta.4"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/driver-test-support%404.0.0-beta.3","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/driver-test-support@4.0.0-beta.3"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/docutils%404.0.0-beta.3","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/docutils@4.0.0-beta.3"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/base-plugin%404.0.0-beta.3","date":"2026-10-09T17:41:53Z","type":"prerelease","version":"@appium/base-plugin@4.0.0-beta.3"},{"url":"https://github.com/appium/appium/releases/tag/%40appium/base-driver%4011.0.0-beta.3","date":"2026-10-09T17:41:54Z","type":"prerelease","version":"@appium/base-driver@11.0.0-beta.3"}]` | `[{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/nightly","date":"2026-10-13T00:30:25Z","type":"prerelease","version":"nightly"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.51.0","date":"2026-10-09T19:18:18Z","type":"stable","version":"selenium-4.51.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.50.0","date":"2026-09-30T22:16:28Z","type":"stable","version":"selenium-4.50.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.49.0","date":"2026-09-09T15:35:47Z","type":"stable","version":"selenium-4.49.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.48.0","date":"2026-08-27T20:13:03Z","type":"stable","version":"selenium-4.48.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.47.0","date":"2026-08-10T18:00:07Z","type":"stable","version":"selenium-4.47.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.46.0","date":"2026-07-11T00:47:53Z","type":"stable","version":"selenium-4.46.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.45.0","date":"2026-06-16T13:59:48Z","type":"stable","version":"selenium-4.45.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.44.0","date":"2026-05-12T23:58:59Z","type":"stable","version":"selenium-4.44.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.43.0","date":"2026-04-10T06:52:53Z","type":"stable","version":"selenium-4.43.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.42.0","date":"2026-04-09T11:53:47Z","type":"stable","version":"selenium-4.42.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.41.0","date":"2026-02-20T15:57:35Z","type":"stable","version":"selenium-4.41.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.40.0","date":"2026-01-18T23:53:16Z","type":"stable","version":"selenium-4.40.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.39.0","date":"2025-12-06T22:53:26Z","type":"stable","version":"selenium-4.39.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.38.0","date":"2025-10-25T05:01:29Z","type":"stable","version":"selenium-4.38.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.37.0","date":"2025-10-18T05:02:55Z","type":"stable","version":"selenium-4.37.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.36.0","date":"2025-10-02T15:37:23Z","type":"stable","version":"selenium-4.36.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.35.0","date":"2025-08-12T15:44:30Z","type":"stable","version":"selenium-4.35.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.34.0","date":"2025-06-29T18:25:54Z","type":"stable","version":"selenium-4.34.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.33.0","date":"2025-05-23T17:42:58Z","type":"stable","version":"selenium-4.33.0"}]` |
| reliability.status_page | yes | yes |
| security.scorecard | 5.5 | 2.9 |
| security.trust_center | - | https://www.selenium.dev/categories/security/ |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=appium&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.seleniumhq.selenium%3Aselenium-java&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Testing Tools)

| Capability | Appium | Selenium |
|---|:--:|:--:|
| **Core** |  |  |
| Test types | Unit + integration + E2E | Unit + integration + E2E |
| Browser automation | ✓ | ✓ |
| Built-in assertion library | - | - |
| Languages | - | Java, JavaScript, Python, Ruby, .NET |
| **Isolation** |  |  |
| Mocking / stubbing | - | - |
| **Techniques** |  |  |
| Snapshot testing | - | - |
| **Performance** |  |  |
| Parallel execution | - | ✓ |
| **Insight** |  |  |
| Code coverage | - | - |
| **DX** |  |  |
| Watch mode | - | - |
| **Ops** |  |  |
| CI integration | - | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T20:12:41.295Z. "-" = undocumented, not absent.*