A: Hello Shajee! Regarding our comparison with BrowserStack and the technologies we use - please refer to https://blisk.io/questions/getting-started-with-blisk-browser#devices.

As for Responsively.app. Blisk is a pioneer in multi-device testing. The rest of the applications are just our clones. We provide much more features compared to Responsively. There's a big difference in emulation accuracy between Responsively and Blisk.

Blisk benefits compared to Responsively:
- Way more precise native emulation with the look and feel of a real device. Blisk provides more precise emulation including screen resolution, viewport, device pixel ratio, orientation (portrait or landscape), light and dark color theme, and support touch + touch events.
- Blisk has toolbars, emulating real device and real viewport.
- The latest iOS device in Responsively is iPhone X released 5 years ago. Our devices are up-to-date. We will add iPhone 14 as soon as it will be released.
- Multiple DevTools - use DevTools for each web view independently.
- Device set management - ability to save and share device sets.
- Integration with Command line and other browsers.
- Simulate network speed.
- Disable device cache.
- Real-time monitoring for webpage errors.
- Screen recorder.
- Ability to save and share screenshots and screen records via Cloud storage.

If you want to check the accuracy - simply compare Blisk and Responsively in the Console for iPhone X:
- screen.orientation
- window.outerWidth
- window.devicePixelRatio.

Hopefully, this answers your question. Please let us know if any important feature is missing in our product!
Thank you!