Cool project, but seems to be abandoned. At one point I was a subscriber to their premium version, but then started getting spam to the (unique) email address I used for the subscription. I emailed them to warn that their account database might be compromised but never heard back from them (this was back in '22).

Also, back then, their map tiles loading had a very high failure rate when loading, so I wrote a custom caching proxy to make it tolerable (which had built-in retry and also cached any successful response for a very long time).