OpenSeaMap is a worldwide Opensource-project for creating a free nautical chart. Founded in 2009 the project gained a lot of attention lately adding more and more nautical information for free. Not even lights and other nautical infos are provided, but also more and more info layers like weather data, information about harbours and so on. As an add on to the OpenStreetMap this provides all missing info for nautical activities. OpenSeaMap is part of OpenStreetMap and uses the same database.
- Free worldwide sea chart (incl. HD chart graphics)
- Search for geolocations worldwide
- Chartplotting with continuous tracking
- Waypoints can easily be created, edited, deleted & exported
- Mark locations in the chart
- Zoom chart optically to fit your preferred reading size
- Enter coordinates directly to be displayed in the chart
- Offline caching of up to 1 million map tiles
- Cleanup of chart cache data at any time
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OpenSeaMap app now comes with new In-App-Product "PRO"
this product activates professional features if bought.
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To ensure future development and support of the OpenSeaMap app we encourage you to buy the In-App-Product "PRO". This will help keeping new updates and features coming.
DISCLAIMER: OpenSeaMap is part of the OpenStreetMap and uses the same database. As an experienced navigator you should NEVER rely your descisions on one source of information alone. Please keep in mind that the OpenSeaMap can not replace official sea charts on bord of your boat. Please use the OpenSeaMap app only in conjunction with official sea charts and conforming to national and international regulations. Please recognize that no depth information is provided by this product.
IMPORTANT: The continued use of the GPS can significantly decrease the battery level.
LICENSE: This app uses icons from the library http://icons8.com/ we thank for providing these under Creative Commons Attribution-NoDerivs 3.0 Unported License.
- Improved information for customers
Ratings and Reviews
Very good and useful
This is a very well designed and useful App. The map zoom feature is especially helpful for reading small details. Overall excellent. Get the Pro version for added features. There are some missing features I hope to see added: speed over ground; continuously updated position; track.
Great if pack more features
This is the best I can find for an app that's free and usable. But unfortunately for what I need, it just need a little more. All I hope for is that i can bookmark an location and be able to remove them individually. This app can't even do that. I wish there is that feature, then would at least be a 4 star.
Sluggish and lacking detail
I suppose we have to buy charts to see any detail and if I'm going to do that, might as well use Garmin. Views are slow and buggy to load when you zoom.
- appdoctors UG (haftungsbeschraenkt)
- 4.4 MB
Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.
English, French, German
- Age Rating
- © OpenSeaMap
- In-App Purchases
- OpenSeaMap Professional $1.99
With Family Sharing set up, up to six family members can use this app.