5 stars: This is one of two, perhaps three, absolute go to marine navigation apps. I've used it for both long range route planning as well as close in navigation. I really can't come up with any meaningful negative points. It does what you'd expect, adds a few bells and whistles, and accomplishes both with reliable results.
4 stars: Very good quality charts that have proven to be more up to date than current paper charts. App is easy to use and very cost effective for long distance sailors. Only missing feature is NMEA connectivity to track boat data, if it had that our mainplotter would be gone.
4 stars: Chart looks nice and i gave five stars for it. Started to actually use it and found immediately a technical problem. Cannot move waypoint in a (auto route) route. I gave two stars. Thank you for the updated comment. However, it should be possible to correct also an automatically run routing after having saved it. Those often need improvements. One wants optimize. It cannot be done on my Android tablet. Manual route editing works great!
3 stars: I've used this app and it's Really perfect and mostly help me with its navigation features.However,3D views and The objects queries are must be added so that it's could help me more effectively track good locations..😄🚣
3 stars: Usage not clear Considering to pay for premium version c-map, but trying the free version rises questions: - how tide state and time dependent water depth may be obtained? - same regarding tid...