GPS Navigation & Maps Sygic is a free to try offline GPS navigation app that has in app purchases that range from $10.49 - $62.69 per item.
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Pro Highly precise address data
GPS Navigation & Maps Sygic is powered by Tom Tom map data, which is often used by governments as well as emergency services.
Pro Safe projection like hands free heads up display
GPS Navigation & Maps Sygic offers an in app purchase to add on a Heads Up Display for the app. This works for nighttime driving by placing ones device up by the windshield and the device will reflect all information in the windshield for a convenient hands free experience that is on the level of where ones eyes already are.
Pro Commercial Map Data
Utilizes commercial data for its maps that are supplied by TomTom Maps. While not strictly better it can have more up-to-date map data than OSM. This is also the reason for the the good address data.
Pro Easily assess location with 3D Navigation
GPS Navigation & Maps Sygic provides a very detailed 3D world during navigation, with elevated hills and even city buildings which makes for a more realistic view of where one is in comparison to their surroundings.
Pro Useful lane guidance
GPS Navigation & Maps Sygic provides lane guidance as a feature for safe lane maneuvering while driving which is great especially when on a highway of unknown locations being one never knows exactly what lanes to be in when merging or taking exits.
Con Updates require running app
After a Play Store update it is important to run the app once to download all the offline data again, otherwise it will not be usable when no external data is available. This is not only time consuming but inconvenient for those that may be in a hurry.
Con Poor map viewing
Sygic's interface is tailored to navigation. While viewing maps in 2D is possible, it populates the map with a bunch of POI icons which detract from street names. The biggest issue is how easy it is to select something or start navigation when zooming in/out.
Still usable for map viewing though.