DoubleCheck

DoubleCheck helps traditional artists compare their artwork directly to a reference photo using live overlay and split view. Spot mistakes faster, improve proportions, and refine your work while painting or drawing. Overlay mode Place your artwork directly over a reference and adjust transparency to compare proportions and alignment. Split view comparison Compare artwork and reference side by side. Live camera comparison Use the camera to compare your work in real time. Flip view Mirror your reference to spot drawing mistakes more easily. Save comparisons Capture and save your comparison process. No account required. Your images stay on your device. One-time in app purchase no subscription