01 / Your context
Start with you.
Skin type and clothing to adapt estimates. Because the same sun does not tell the same story for everyone.
TAIYO / IPHONE
Your relationship with the sun.
Day by day.
Learning is the start. Taiyo brings together your sun sessions, food and supplements to help you see your routine in perspective.
Coming soon to the App Store7-day trial · In English and Spanish
Inside Taiyo
One routine, different perspectives
02 / The day ahead
The sun has a rhythm.
See how UV changes through the day and understand the conditions before starting a session.
03 / Time with context
Keep track of the moment.
A timer and alerts accompany your session. Estimates offer guidance without guaranteeing protection from sun damage.
The bigger picture
Your vitamin D doesn’t begin and end with sunlight.
- Food and supplement logging
- Trends and progress over time
- A history of blood tests you add
- Guides to understand what you log