“Guidy helps you craft flowmaps, sitemaps, diagrams, scenarios and storyboards, reviews and annotations.
Guidy is a first ever annotation kit based on resizable elements supporting full potential of Sketch #39+. No more stretched arrows. No more manual fine-tune. With Guidy you can resize them in both directions.”
Guidy includes various line and line ending elements to make your maps more elaborate. It also includes scaling iPhone 7 and Apple Watch wireframe devices to use in your flows. It’s a paid kit, reasonably priced, check it out.