Main Purpose | To show the look and feel (visual design). | To test the functionality and user experience. |
Interactivity | Static (not clickable or usable). | Interactive (you can click buttons and use it). |
Focus | Visual Design: Colors, fonts, layout, style. | Function & Flow: How it works, user journey. |
Detail Level | High visual detail, almost like the final product. | Can be rough (low-fidelity) or more polished. |
Stage of Use | Usually comes after early sketches. | Can be done at any stage, from rough to detailed. |