Side by side
Robot Framework vs WebdriverIO
Both stand on functional testing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxMac+1
Robot Framework offers a free, extensible foundation for several kinds of testing and robotic process automation. Users can turn to its forum and Slack community for questions and discussion.
Visit Robot Framework Free plan AndroidExtensioniPhone+4
WebdriverIO spans browser, mobile, component, and desktop automation within a Node.js framework. Its Node.js requirement and documented masking limitations are important considerations for setup and sensitive test data.
Visit WebdriverIOThe facts
| Robot Framework | WebdriverIO | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Mac, Windows | Android, Extension, iPhone, Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | robotframework.org | webdriver.io |
| On functional testing software | #13 of 38 | #17 of 38 |
Robot Framework: what it does well
- Free and open source under Apache License 2.0.
- Supports web, mobile, API, and remote-system testing.
- Creates HTML reports, logs, and XML output.
- Custom libraries can be built through its library API.
- Runs on Linux, macOS, and Windows.
What to know first
- No free trial is listed.
- No security certification or compliance standard is stated.
WebdriverIO: what it does well
- Supports WebDriver and WebDriver BiDi.
- Automatically waits for elements before interacting.
- Built-in support for three test frameworks.
- Tests native and hybrid apps through Appium.
- Free and open source.
What to know first
- Requires Node.js 18.20.0 or higher.
- Masking may be bypassed by plugins or logging proxies.
- getValue is not supported for masking.
Alternatives to Robot Framework Alternatives to WebdriverIO The whole list

