Quadlock (those who mount the phone effortlessly are probably magicians or pianists -- I personally have to fiddle somewhat

Locus Map Pro. Excellent and powerful. You can design custom transparent overlays. Useful to display distance to go, ETA, elevation etc. Invaluable for serious navigation. (Google Maps to find and follow a quick route to the nearest restaurant / grocery store, when network is available. Cycle routing is not implemented everywhere, nor is it reliable)

Create routes on/offline with the companion app bRouter. Usually quite good. Certainly beats eyeballing the map. But revision is often useful to deal with whimsical (on/off a main road for no reason) or exceedingly strict (may add tens of KMs to avoid a perfectly legal and safe highway segment) routing