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See which plan columns include the companion application in the infographic.
The browser extension can pass a supported task to a companion program for work that benefits from desktop processing or combining tracks. This adds a setup step and requires the app to be installed, launched and paired with the extension.
Desktop Helper App is checked for Stream Katcher Paid, CocoCut Paid and both Video DownloadHelper plans. Stream Katcher Free and FetchV are marked unsupported in this infographic.
If the helper is closed, outdated or not connected, a task may not reach it. Follow the task status in the extension and open the output afterward. Large downloads can produce more than one part depending on the workflow.
Note: the comparison infographic is dated October 9, 2026. It does not specify product versions or a testing method; results on a particular website can differ.