Can it be used outside the registered area? For example, if you've registered your Fiz in Johor, can you use it in Kedah?

Say, the place in Kedah also has coverage for Fiz, just that it's not a registered address

Hotspot Shield is a good VPN with low subscription rate

Basically, the difference is just browsing with ads(free) and no ads + you can choose a range of countries aside from USA(free), [Australia, Canada, Japan, Germany(Elite)]

And it doesn't throttle speed. There are better VPNs out there though, but if you're just looking to watch Netflix, Hulu or Torrent, you won't go wrong with Hotspot Shield.