First Light

Early vision, explored

A little closer
to their world.

Explore early vision through your iPhone camera. An estimate of how detail, contrast and color change as babies grow.

Download on the App Store

One purchase. No subscription or in-app purchases.

Meet First Light
First Light’s unfiltered camera comparison, showing a seated adult.The unfiltered view
The same scene in First Light’s six-week estimate, with the app’s curved age slider and plum controls.The 6-week estimate
From the app · AI-generated illustrative scene

Compare with a touch.

Hold the picture to see the unfiltered view. Let go to return to the estimate.

Keep a little moment.

Save a scene, revisit it at different ages, and share when you choose.

Understand the picture.

Read the science behind the estimate, including what remains uncertain.

An educational estimate of typical development. It cannot show a baby’s subjective experience or test an individual child’s vision.

Private by design