Table 2.

Reported usability issues of Vink and changes made

Reported usability issues	Type of change	Description of changes made
Not enough memory space to download Vink Slow download process	Instructions	Required memory space and download time was clarified in the installation process
Not enough RAM for larger models due to too many programs running in parallel	Instructions	Included advice to close other programs that are running in parallel on the PC/Laptop
Search for the.exe file in the downloaded folder to open the application	Modification of the tool	We added an installer to the application
Computer warning about first execution of application	Modification of the tool	Purchase of a code signing certificate; no more need for a firewall exception
A pop up of Windows system window appears before the interface	Instructions	Explanation added to instructions
Confusion about accepted audio file formats	Instructions	The need of an audio file and required formats are described more prominently
Confusion about required text output file and format	Modification of the tool	Application outputs generated text into the interface
Confusion about differences between language models	Instructions	Trade-offs between models are explained in more detail
Confusion about choice between CPU and Graphic Card	Instructions	Benefits of using each option are now explained
Confusion about whether the app works offline	Instructions	It is highlighted that the app needs an internet connection to load models