This does seem pretty cool. One thing you are likely to have when you travel is your phone.
Pros:
- Free
- Both iPhone and Android
- Handy while traveling.
Cons: - Requires wifi or phone service
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This does seem pretty cool. One thing you are likely to have when you travel is your phone.
Pros:
you are right. service may be issue. but now dont we think they can build it in such a way it will still work offline. just auto update every hour while all working fine even offline