The FAQ at http://martennettelbladt.se/miso/ states:

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Q: Can I use Miso for an App?

A: Yes, but you’ll need an app license.
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It links to: https://www.fontspring.com/fonts/marten-nettelbladt/miso

quietly-turning purchased a "25000 Users Appplication License" for Miso Light
for the Simply-Love-SM5 project on 2 May 2021.

License Assignee attributed to:
github.com/Simply-Love/
