Muse ought to include a macOS option as well. Restricting it solely to mobile limits access, especially since that version is not yet available worldwide.
Related posts
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Getting access to Muse
A short update after receiving access to Muse.
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Muse arrives on macOS
A quick reaction to Muse becoming available for native use on the Mac.
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Looking for a Muse invite in India
Seeing others use Muse in India and asking for help getting an invitation.