Your measurements, drawn in chalk
Tape & Chalk is a measurement log for your tape measure. Check in once a week, drag the tailor's tape to your reading, and build a record you can look back on.
Log what a scale can't see
Record 13 circumferences from neck to calf, plus weight and body fat, in one guided check-in. Apple Health only has fields for weight, body fat and waist. Tape & Chalk is where the other ten measurements live.
A tape you can feel
Enter values on a draggable tape ruler with a tick for every step. No keyboard, no typing decimals. Choose centimetres or inches, kilograms or pounds.
A figure that follows you
Home shows a drawn figure with a chalk line at each measuring point. The outline widens or narrows with your latest readings. Pick the male or female outline.
See your progress
A chart per measurement, the change over a month, a quarter, a year or all time, and your goal.
Apple Health, free
Save weight, body fat and waist from each check-in. Never behind Pro. The app does not read your health data.
A weekly nudge
An optional reminder on the day you choose. It is the only notification the app sends.
No red, no green
Whether up or down is good depends on your goal, so changes use the chalk colour of the body region instead of a verdict.
Light, dark, 12 languages
Follows your iPhone's appearance or your choice, and runs in 12 languages.
From tape to trend



Private by design
Everything stays on your iPhone, and the app makes no network requests of its own. Read the privacy policy.
Free and Pro
Free
- Weight, chest, waist and hips
- Charts and goals
- Apple Health
Pro
- All 13 measurements
- CSV export of your full history
- Yearly plan or one-time lifetime purchase