Track your skin, one day at a time.

Front, left, right photos and a short note. That's all.

Start your diary

Photos and notes

  • Three photos (1:1 square)
  • A single line of habits
  • Change shows up on calendar and slider

Three steps

1

Capture

Front, left, right — squared to 1:1

2

Note

Water, meals, products, movement, notes — all optional

3

Compare

Slide two days over each other

Front photo on 2026-04-01
Front photo on 2026-04-30
A·04-01B·04-30

Different from a photo album

  • Lined up by angle
  • Each day becomes a dot on the calendar
  • Slide today over a month ago

Only you can see it

  • Only you can open it (enforced by Firebase Security Rules)
  • Location data (EXIF) is stripped before upload
  • Photos are normalized to 1:1 square
  • You can delete any time
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