When comparing Sygic vs MapFactor, the Slant community recommends Sygic for most people. In the question“What are the best GPS navigation apps for Android?” Sygic is ranked 3rd while MapFactor is ranked 7th.
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Pros
Pro Heads up display
Pro Offline navigation
Internet connection is not required.
Pro Lane guidance
Pro Detailed and up to date commercial map data
Utilizes commercial data for its maps. While not strictly better it can have more up-to-date map data than OSM with better coverage. This is also the reason for the the good address data.
Pro Good address data
This app can locate address without external data.
Pro Free
Pro Allows selecting fastest, shortest, or cheapest route
The app offers calculating route by shortest travel time, shortest travel distance or lowest gas cost.
Pro Can be used offline
From the app's settings at the bottom of the screen there's a section that allows downloading new and deleting no longer necessary maps. You can choose between free Open Street Maps or slightly more accurate and feature-rich TomTom maps. Downloading maps locally isgreat for situations when the signal is unreliable or when abroad, since you can use the app without having to consider roaming charges.
Pro Can be installed on an SD card
In addition to installing the app on the device's internal memory, MapFactor can also be installed on an external memory storage device such as an SD card.
Pro Clean, customizable UI
Pro Offers choice between using free Open Street Maps or paid TomTom maps
Pro Day and night switching
Pro 2D and 3D modes
Pro Turn-by-turn voice navigation is available in multiple languages
Pro Searches by address, POI, coordinates and via Google search (allows voice)
Pro Allows recording and replaying travel
MapFactor allows recording travel and replaying back the route later. It also allows exchanging recorded routes with other MapFactor users.
Pro Dedicated routing options for trucks
In truck mode, that requires paid TomTom maps, if you input vehicle's properties such as max speed, height, length, weight, weight per axle, etc, it will take those restrictions into consideration when planning a route.
Pro Has internet based live traffic option
For 9€/year
Cons
Con Updates require running the 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.
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.