I actually feel more confident paying for this app's service than I do using the competing City Maps by Lumatic, just because the economics are clear and I know

I actually feel more confident paying for this app's service than I do using the competing City Maps by Lumatic, just because the economics are clear and I know the app won't suddenly change to a new revenue model after I've been relying on it for a year. $5 / year for always-up-to-date routes seems more than fair.