When comparing OsmAnd Maps & Navigation vs MapFactor, the Slant community recommends OsmAnd Maps & Navigation for most people. In the question“What are the best GPS navigation apps for Android?” OsmAnd Maps & Navigation is ranked 2nd while MapFactor is ranked 10th. The most important reason people chose OsmAnd Maps & Navigation is:
[OSM] provides a map editable by everyone; just like the web-based encyclopedia, Wikipedia. Using a community edited map allows one to correct isses they encounter. Combined with the monthly turn around, these edits are added for navigation quickly. : http://www.openstreetmap.org/
Ranked in these QuestionsQuestion Ranking
Pro Based around crowdsourced OpenStreetMap data
OSM provides a map editable by everyone; just like the web-based encyclopedia, Wikipedia.
Using a community edited map allows one to correct isses they encounter. Combined with the monthly turn around, these edits are added for navigation quickly.
Pro Works offline once the maps are downloaded
Pro Routinely updated maps
Utilizing the community driven OpenStreetMap data has allowed for monthly publishing of new maps that the user can use. Though that doesn't necessarily mean the map data has changed.
Pro Helpful lane guidance
Lane guidance can assist in deciding if one should stay in the right or left lanes. OsmAnd provides detailed information on the number of lanes and which are valid for your chosen destination; based on the data available it may show too many or too few lanes.
Pro Free and open source
Pro OpenStreetMap contributing made convenient
One can also utilize features to contribute back to OSM. This includes reporting a bug or adding a POI. This feature doesn't require an internet connection as the points can be uploaded latter upon request.
Pro Excellent general map viewing
Sometimes one needs more than just navigation, they have a need to view a map or specify a specific route. OsmAnd provides a very nice, detailed map. This can be good for seeing what is around you or showing a place you are talking about to a friend.
It also provides a means to add waypoints on the map which can be used to dictate a specific route (not simple enough to do routinely).
Pro Shows speed limit
Pro Contour lines enable understanding the terrain
Through the use of an additional plugin OsmAnd Maps & Navigation is able to utilize contour lines on its maps which helps view the landscape and terrain.
Pro Clean, customizable UI
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 Turn-by-turn voice navigation is available in multiple languages
Pro Day and night switching
Pro 2D and 3D modes
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 Offers choice between using free Open Street Maps or paid TomTom maps
Pro Has internet based live traffic option
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 Searches by address, POI, coordinates and via Google search (allows voice)
Con Slow rendering
It can take some time for an area to be rendered. This tends not to be a problem during navigation since only a small area must be rendered as the map moves, and this area isn't immediately needed; though likely a bigger issue with smaller screens.
Con Poor navigation interface
The interface is not the most intuitive, though is continually progressing. It doesn't provide a 3D view like many navigation apps.
Con Slow and sometimes poor search
Most often does not find what you are looking for (which is not caused by bad OSM data).
Con Terrible address data
This is a limitation of OSM's data, but it is unreliable for locating an address while offline. Even with internet it doesn't appear that it can locate most addresses.
Con No display when the next speed limit occurs
When driving on unknown streets you are often surprised by speed limits or town signs, so you have to friction brake.
Con Being based on OpenStreetMap data can be lacking
The use of OSM also has the drawback of many places not getting the attention needed for updates. Depending on the geographic location OSM may have the most detailed maps or the most bare/outdated map.
Con Near impossible to scroll through map
Due to the slow rendering (already mentioned) it is near impossible to scroll through OsmAnd's maps. You move the map only slightly and it takes ages to redraw all vector layers.