Sygic a. s. has Sygic Canada: GPS Navigation (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE (regularly $2.99) for a limited time.
Sygic is a premium turn-by-turn GPS navigation that you can try for free. High quality maps from TomTom and other providers are stored on your iPhone or iPad and you can navigate without internet connection. Lifetime license includes free map updates multiple times per year.
This version includes 7 days to test drive full navigation. After 7 days you can continue to enjoy free and unlimited access to offline maps, POIs and route planning, or upgrade to Lifetime Navigation.