Yes! You can download nearby quests for your location, and complete them fully offline. Afterwards, you can connect to the internet to upload your edits to OSM at your earliest convenience.

Thanks for the suggestion! I’ll add it to the To-Do list!

I’ve currently got a huge backlog of apps to research, but I did take a quick look and it looks enticing.

I bike at night often. Very few turn off their blinders for me. It’s so bad that I have to come to a full stop until the car passes. If you have ever turned off your blinders for bikers at night: Thank you, seriously. We appreciate it more than you know.