this post was submitted on 11 May 2026
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CoMaps
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Cooperative community open-source fork of Organic Maps, an offline privacy-respecting not-for-profit OpenStreetMap GPS app for your phone.
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Ok, yes, Vespucci wasn't the best for me to select - similarly StreetComplete has a definitely different use case.
But, thanks for taking the time to lay it out for me, I had assumed that CoMaps would've just pulled out the same data from OSM...
No worries! It all is based on the same data, but then the processing can be quite different (e.g. the calculation of penalties for the routing algorithms goes into the maps during this processing), or which POI types are shown on the maps etc. Converting the raw OSM DB into something usable for mobile apps is quite a heavy processing step ๐