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I bought this app thinking it would be a good tool to easily plan future routes and transfer them to my existing Furuno Black Box system. This app does not allow you to easily transfer points or routes to your Furuno plotters. You can pull up a tide or current prediction for a particular point within the app but there is no capability to get this data for a future date which renders this feature useless from a planning standpoint. The graphics are good, especially the transition between 2D and 3D and it’s helpful to visualize an entrance into a harbor you have never been to before. There is zero capability to use the data from this app on a Mac and the CloudZero feature is worthless because it only contains base data from a Raster chart. Would I use this instead of Navionics on my IPad and Mac? No. It’s not worth the money. It needs a huge amount of data input just to get up to speed with Navionics. Note: I have no financial ties to either Garmin or TZiboat and nothing to gain by the success/failure of either company.

As an avid nav app user who has tried everything for our sailing and fishing boats, TZ iOS is very good. Best anchor alarm, best raster maps. Wish the PC App was in OS for Mac for routing and weather. I still use B&G for sailing features and Garmin for ActiveCaptain, as well as Predict Wind for routing and forecasts, so it is not a total replacement yet. The UX of the vector charts is a little lacking compared to the competition but I tend to use this as my raster backup/compare option to enriched vector C Maps.

I like the app I like to see more fishing information like sea surface temperatures and temperatures at 30 m down as well as plankton and even fish if you had like a fish or mapping program.