HomeAppsMedicalOptoDrumApps like OptoDrum Here are some great alternatives to OptoDrum by Linsay Associates, LLC : Cross-Stitch World ★4.7 Hypnotic Mandala full version ★4.3 GaborPatchGame ★4.7 Taekwondo Forms (Sponsored) ★4.4 Moiré Geometric Patterns ★4.0 Color Touch ★4.6 Photo Pattern Lock Screen ★4.0 Color Touch Deluxe ★4.6 Infinite Zoom Live Wallpaper ★4.4 Moire Creator ★4.7 Digital Lotus full version ★4.8 DIY Simple Dimple! Pop It Fidg ★4.2 Quiggles ★4.3 Wavelet ★4.0 Fraksl ★4.6 Optical illusions ★4.3