When comparing Karta GPS vs Komoot, the Slant community recommends Komoot for most people. In the question“What are the best offline GPS navigation apps for Android?” Komoot is ranked 13th while Karta GPS is ranked 15th. The most important reason people chose Komoot is:
Komoot offers data on road/trail type, elevation, etc. which allows for user to find plan out their trips and prepare for the current conditions.
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Pros
Pro Wrong-way driver warning
This was not heavily promoted by them, but it just shows the level of awareness these guys have. It's a small feature, developed in partnership with Bosch, that will warn you if a driver is coming your way on the wrong side of the road.
Pro Uses OpenStreetMap data
Hence it continually improves, is easy for you to add missing information or fix inaccuracies.
Pro Find conditions before setting out
Komoot offers data on road/trail type, elevation, etc. which allows for user to find plan out their trips and prepare for the current conditions.
Pro Excellent routing for outdoor sports
Komoot is geared towards those that do outdoor sports such as hiking or cycling by displaying common known trails as well as user created ones that are shared on the platform.
Cons
Con Excessive amount of ads
Con Top part of the screen wasted next turn information
Con No offline re-routing
Offline GPS will tell you when you have left your tour (and approximately what direction it is in), but cannot re-route without internet connection. Which can be inconvenient for those that deviate or get lost.