Well, let's face it. Sygic probably gets all the major of their income from the iphone app. That's where all the development is directed and it's the iphone app that is being updated in the first place. Sad but true...

Maemo is a dead-end, it's a good OS thought, but it's finished.
Sadly, this is what happens when the OS is no longer in the mainstream, well Maemo actually never had been there...

Great, powerful hardware and no interest from the major mobile development companies whatsoever.

Won't sell it though, there is no replacement that's on the market right now