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 ★3.9 ProtoPie Player — Prototyping ★4.4 Sketch Notes ★3.5 Figma: view. comment. mirror. ★4.4 Small Sketch ( for S Pen ) ★3.5 Hand Drawing Sketch, Text Note ★3.7 Sketch on PDF ★3.9 Pencil Sketch Photo Editor ★3.8 Infinite Painter ★4.5 Paint - Sketchbook & Drawing ★4.1 Tayasui Sketches ★4.3 Bamboo Paper ★4.0 AR Draw Sketch: Sketch & Trace ★3.8 AR Drawing: Sketch, Art, Paint ★3.3 Trace and Draw Sketch Drawing ★4.2