Support

Questions, bugs or feedback — email bios@kramser.xyz.

Helpful to include

• Your iPhone and iOS version, and whether you wear an Apple Watch.
• Which screen you were on — Today, Trends, or a reading such as Recovery or Sleep.
• What you expected to see, and what you saw instead.

Why a number reads as it does is answered in the app itself: every reading opens onto the signals it was built from, and the Method screen shows the arithmetic and the papers behind BIOS Age.