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 ★3.8 Figma – prototype mirror share ★4.2 ProtoPie Player — Prototyping ★4.4 Sketch Notes ★3.5 Small Sketch ( for S Pen ) ★3.4 Hand Drawing Sketch, Text Note ★3.7 Sketch on PDF ★3.8 Tayasui Sketches ★4.4 Notewise - Notes & PDF ★4.2 Pencil Sketch Photo Editor ★3.9 Infinite Painter ★4.4 Moleskine Notes ★4.1 Bamboo Paper ★3.8 AR Draw Sketch: Sketch & Trace ★3.8 AR Draw Sketch: Sketch & Paint ★4.4