Do I need to buy to licenses to run Asset on ARM and Intel Linux?

I'm new to this forum, so bear with me.
I've been running Asset (free) on my two Synology NAS for some time, using the RaspberryPi version on the ARM-based one and the Linux x64 version on my Intel Syno.
Works like a charm!

But: I'm considering buying Asset Premium. Do I need to purchase both ARM and Intel Linux versions? I know the binaries are different, but it would be nice if I can use a single order number to get both versions. After all, each license allows for 3 instances, as I understand.

You would need one license per install, Asset does not come with a family pack.