Bulight - Screen Light & CCT

Turn your iPhone screen into a light with a scale on it. Most fill-light apps hand you a pile of colors. Nobody tells you whether the color is accurate, whether it is bright enough, or whether your photo will come out tinted. Bulight does three things: bright enough, accurate enough, shot right. BRIGHT ENOUGH HDR peak output pushes the screen's white above the SDR white point, so it is brighter than a plain white background in low light. This is not a filter brightening — the panel really gets brighter. The exact headroom depends on your device's display and current brightness; the app shows what is available right now and promises no fixed multiplier. ACCURATE ENOUGH - 2500–9000K continuous color temperature - One-tap white paper calibration: hold up a sheet of A4, the app measures the screen's tint and compensates - Warns you when True Tone or Night Shift is on — both shift the white…