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Strobe vs. ISF

Not all 40 Hz lights are created equal

See the difference

Why comfort matters for daily use

EVY Light - ISF vs Strobe Comparison
Regular 40Hz Strobe
ISF Technology

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Regular Strobing flashes harshly on and off – uncomfortable for extended use

ISF (Invisible Spectral Flicker) delivers the same 40 Hz rhythm and brain stimulation in a much more gentle way – comfortable for daily use

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We only want you to keep EVY, if it is making a difference. Feel confident that it is the right choice for you. You can return it for any reason within 90 days and receive a full refund. No questions asked.

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    EVY LIGHT ® Is Your Ultimate Brain
    Wellness Device

    Comfortable Daily Use, Drug Free to Promote Focus, Clarity, and Mental Sharpness.

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    Get exclusive content straight from the scientists who are rooting for you and your brain.

      Be the first to know about new developments from your favorite products
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      light-vectorNew: Independent Memory Care Study

      Better days for residents. Lighter days for caregivers.

      In a 6-week study at Masonicare, a senior living and memory care community, caregivers saw residents improve across all five areas they tracked: sleep, mood, focus, energy, and memory. They also reported that it eased their daily workload.

      Read the white paper Read the EVY Pilot Study

      check-iconEVY is a general wellness product and is not intended to diagnose, treat, prevent, or cure any disease or medical condition.

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