Calculated from the height and weight you enter.
PRIVATE BMI + WEIGHT TRENDSMassy for iPhone
Check in. See the signal.
A satisfyingly simple BMI and weight tracker that turns daily check-ins into a calmer view of progress—without turning a number into a verdict.
- No account
- Stored on device
- No ads
ONE NUMBER, IN CONTEXT
A result should explain itself.
Massy adds the pieces that make BMI more useful—and removes the drama that doesn’t.
Neutral language and the full adult scale—not a red or green verdict.
A height-specific range for context, never framed as a personal goal.
BMI is a screening measure. It cannot distinguish muscle from body fat and does not account for pregnancy, body composition, or individual health factors.
YOUR TIMELINE
Track gently. Not obsessively.
Save one check-in a day and let True Trend smooth ordinary scale noise. No streaks, scores, or pressure to keep feeding the chart.
- 01One useful check-in per day
- 02True Trend, weekly recap, and comparisons
- 03Goal outlook after enough real observations
LATEST · 13 AUG 202622.9
Within standard range70 kg
TRUE TREND · 8 CHECK-INS22.5–22.9
6 Aug13 Aug
12 AUG 202670 kg
WITHIN STANDARD RANGE22.9
11 AUG 202669.6 kg
WITHIN STANDARD RANGE22.7
YOUR DATARead the full privacy policy
Your measurements do not leave your phone.
No account. No cloud profile. Your height, weight, BMI, reference range, unit choice, and check-in history stay in local app storage.
NOT SENT
Measurements and results are not sent to RevenueCat, Apple, or us.
YOUR CONTROL
Export CSV or PDF, delete one check-in, or erase all local progress from Settings whenever you choose.
NO TRACKING
No advertising or analytics SDK. RevenueCat receives only anonymous subscription status—not your measurements.
SMALL, ON PURPOSE
Everything useful. Nothing to manage.
MetricUSStones
Use the measurements that already make sense to you.
Designed for both light and dark appearance on iPhone.
GOOD TO KNOW
Questions, answered plainly.
Who is Massy for?
Massy is a simple BMI and weight-trend tracker for iPhone. BMI is a general screening reference, so individual health decisions still need the context of a qualified professional.
Is a BMI result medical advice?
No. BMI is a general screening reference, not a diagnosis or treatment recommendation. Speak with a qualified health professional if you are concerned about a result.
Do I need an account?
No. Massy works without creating an account or cloud profile.
Where can I get Massy?
Massy is available for iPhone on the App Store.
AVAILABLE ON IPHONE
DOWNLOAD ON THEApp StoreSee the signal beneath the noise.
A private adult BMI and weight-trend companion—without judgement.