Usability
Interface 
User-friendliness/complexity of the tool´s interface
Straightforward.
Time efficiency Time needed for mastering the „how-to“ of the tool and a production of a task
Medium.
Interface language(s) The number of languages in which the tool is currently available/adaptable to
English and French.
Respect for privacy Does the tool require registration? Who can see my data? Can I remain anonymous?
Medium. ILOBify per se does not seem to collect any personal data or cookies but is operated by Glide Apps, which gathers personal data, together with cookies and web analytics for various purposes. Its privacy policy mentions security measures. Glide Apps allows users to opt out of performance and analytical cookies, among others. In the EU, it complies with GDPR. See more See more here.
Saving work for future use Possiblity to save your or others´ work for reuse/reproduction
Yes, users with an account can save work for later use.
Tailorability (If so, how?) Possibility of the tool to be used for a range of different activities (e.g. to what extent you can organize a project assignment with a central activity based on this tool)
No