About Blink Comparison
Blink Comparison helps users check whether a tamper-evident seal or other visual detail has changed. It stores a reference image or captures one on the spot, then helps take a comparison photo from a similar position, angle, distance, and lighting. The app rapidly alternates between the reference and current image, letting the human eye notice differences. Reference images can optionally be encrypted. The interface adapts to different device sizes and supports a night theme. Blink Comparison is a visual aid for comparing two images; it does not automatically determine whether tampering occurred. It supports a repeatable capture-and-compare workflow for seals and other objects whose appearance should remain consistent.
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