You’ll use it to find places you want to go and you can use it to navigate as well.
I use it to complement it in situations where I know there’s going to be blackout of data or simply put, I’m too cheap to pay for data.
What makes HyperDia a godsend is that it’s useable Japanese website that has English translations.
NaviTime is a comprehensive app that has everything you need to know about not only Tokyo’s transportation network but also the rest of the country.
Easy to use, and for me, it's all about seeing the subway system lines so I can quickly figure out how to get to where I need to go.