HomeAppsProductivityQuick ProtoApps like Quick Proto Here are some great alternatives to Quick Proto by Dave O'Brien : Crystal: Sketch Mirror for And ★4.2 Justinmind viewer ★3.7 ProtoPie Player — Prototyping ★4.4 Sketch Notes ★3.5 Figma: view. comment. mirror. ★4.5 Small Sketch ( for S Pen ) ★3.5 Hand Drawing Sketch, Text Note ★3.7 FP sDraw (Drawing app) ★4.1 FP sDraw Pro (Drawing App) ★4.6 Sketch on PDF ★3.9 Infinite Painter ★4.5 Pencil Sketch Photo Editor ★3.7 Paint - Sketchbook & Drawing ★4.2 Tayasui Sketches ★4.2 Bamboo Paper ★4.0 AR Draw Sketch: Sketch & Trace ★3.8