FlickerMeter Pro: Film & Video

Will this light ruin your shot? Point your iPhone and know in seconds — verified flicker readings, safe shutter settings, and slow-mo planning. Built for filmmakers.

Ever filmed a beautiful scene, only to find rolling stripes crawling through the footage at home? That is light flicker — invisible to your eyes, ruthless to your camera. FlickerMeter Pro tells you, before you press record, whether a light will band — and exactly which settings survive it.

Built as an honest instrument for filmmakers: it measures, verifies, and only then reports. When it can't be certain, it says so — because on a set, a confident wrong answer costs more than no answer.

TRY EVERYTHING FREE FOR 3 DAYS Full features require a paid subscription or one-time Lifetime purchase. Start with a 3-day free trial — full access to every feature below.

MEASURE. VERIFY. SHOOT.

INSTANT, VERIFIED READINGS Point your iPhone at any light. Within seconds you get the flicker frequency, its depth, and a confidence grade — with a firm haptic tick the moment the reading locks. Every verdict can explain itself: tap the ? and get the reason in plain language, whether the screen shows a number, NO FLICKER, or an honest "uncertain."

NEW TO THIS? YOU'RE COVERED. No jargon required. Green means shoot freely. A number means danger — and the app hands you the fix, one tap away. The built-in guide explains flicker, banding, and shutter choices in plain words.

WORK IN SHUTTER ANGLES? SO DO WE. The Shutter Guide speaks both dialects — cinema angles (180°, 172.8°) and shutter speeds (1/50 s, 1/100 s) — with camera presets that remember your rig. When no standard setting is safe, it computes exact custom shutter recipes your camera can dial. And when nothing can save the shot, it says so honestly: change the light, or change the frame rate.

SLOW-MOTION PLANNER Shooting 120 or 240 fps? The planner shows which light frequencies survive your frame rate and which are impossible to outrun — before you rent the lights, not after.

LOCATION REPORTS FOR YOUR CREW Scout a location, select your readings, and export a clean one-page PDF: every measured light, plus a full safe-settings matrix across standard frame rates. The document your gaffer and DIT actually want.

BUILT FOR THE FIELD

• Mains-aware context (50/60 Hz regions) on every reading
• Works fully offline, entirely on device — no account, no cloud, no tracking
• Trusted range 40–170 Hz, stated openly: covers mains-powered flicker worldwide, including 100 Hz (EU) and 120 Hz (US) lighting
• When a light sits outside what can be verified, the app stays silent instead of guessing

WHO IT'S FOR Videographers and content creators tired of ruined takes. DPs and gaffers scouting locations. Slow-motion shooters. Anyone who would rather know than hope.

FLICKERMETER PRO Start with a 3-day free trial, then keep it your way — Yearly or Lifetime. Pricing is always shown clearly in the app, in your local currency, before any purchase.

Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel subscriptions in your Apple ID account settings. Any unused portion of a free trial period will be forfeited when purchasing a subscription.

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