The cross-platform standard for native, hybrid and mobile-web automation.
Appium exposes Apple's XCUITest and Google's Espresso/UiAutomator through one WebDriver-compatible API, so a single test suite can target iOS and Android in any language with a WebDriver client. Version 2 restructured everything around installable drivers and plugins, extending it to Windows, macOS and even TV platforms.
Best for
Free and open source
Open sourceFree tier: Everything, self-hosted
What drives the bill: Free. The real cost is the device lab or device-cloud subscription you run it against.
Check current pricing on OpenJS Foundation’s siteFigures are indicative and were last reviewed August 2026. Vendors change pricing often; confirm before you commit.
No reviews of Appium yet. If you have used it in anger, yours would be the first.
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