Is TomTom's basemap entirely OpenStreetMap? Or do they add their own proprietary layer of map data on top?
replyIt's a... mix. I can see all the shapes of the roads and areas i mapped in my area, but they seem not to trust OSM naming so they either have no name or the name TomTom gave to the equivalent street.
replyI can see most POIs i added with the exact name i gave to them, but the reviews and opening hours are pulled from Tripadvisor.
It's explicitly advertised for driving, not walking, so it's optimized to get you to places. CoMaps and even OSMand are much better for walking around.
And there's a simple reason for the search being so bad in most OSM apps: offline search.
The focus of all these apps seems to be a self-imposed "the app should never touch a server, ever, because what if the user is on a 100$/GB roaming plan in Africa", but indexing the maps is not easy.
I run a local Nominatim database (search engine for OSM) for Italy and it's ~57gb of data and indexes for one country only, and it barely supports fuzzy search.
I tried the TomTom app (on iOS) recently but found it incredibly buggy, especially when connected to CarPlay. The speed indicator would often just show 1mph, the dark mode would work about 20% of the time, and searches would show results from other countries ahead of a place 4 miles up the road.
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