iPod touch How much can Google Maps cache?

I don't know. but everytime when I hook up with itunes, I can see different space on 'other' which is included iphone os.

Karvel said:

I've been impressed by how much Google Maps can store offline when you're away from Wi-fi -- is there a limit to how much it can 'store'?

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I think it only stores your last search

eplchamps0304 said:

I think it only stores your last search

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yup

It will also store your most current route (directions from one point to another) including all rout point data and zoomed in maps for the route points. BUT if you initiate a search or try to change anything, you will likely lose the route.

If you are using a JB'd device, check out the "TimeCapsule" app. It lets you save cached data in separate save sets that can be re-loaded any time all onboard.