Do not BUY this!
Too much, this. and BUD! Go to NAVIONICS.
Easy to use. Pretty simple.
Easy to use. Pretty simple. I want to use in the U.S. charts.
Japan only?
I want more maps. But, there is no free ad.

This marine navigation app uses GPS to display your current position, orientation, and distance to your destination. It provides access to nautical charts and helps estimate fuel consumption for small boats, even in areas with limited radio signal.
4.0
September 30, 2015
This app has been updated by Apple to display the Apple Watch app icon. iOS 8 & iOS9 Support !
More$11.99
TOKYO WAN - OMAE SAKI
H-111W Yachting Charts
Japan Chart Navi is a marine navigation application that utilizes GPS to show your current position, heading, and distance to your destination. It also provides access to nautical charts and can help estimate fuel usage for your vessel.
Yes, the application has map data that can be confirmed even when out of radio range at sea, allowing you to determine your current location and destination.
Japan Chart Navi officially supports iPhone 3GS and newer devices. It is available for iPhone and iPod.
The app uses GPS to measure your current position at sea. In coastal areas with mobile signals, it can locate you precisely, which could potentially aid in requesting a quick rescue.
Yes, the app features easy fuel calculation to help you prevent drifting and manage your gas consumption as much as possible. This is intended for reference purposes.
Japan Chart Navi has an age rating of 4+, making it suitable for a wide range of users.
The latest version of Japan Chart Navi, version 4.0, was last updated on September 30, 2015.
Japan Chart Navi has a rating of 2.0 stars based on 4 ratings.