Pediatric growth calculators for WHO and CDC references
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Pricing model
Free
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Pricing
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30-day free trial with full access, no credit card required. After trial: Plus €2.99/month for 1 loved one, or Family €8.99/month for up to 4 loved ones. Free Basic mode available after trial ends with limited access.
Key features
Baby Growth Percentile Calculator for weight, length, and head circumference
Child Growth Chart Calculator for height and weight using CDC references
Kids and teen BMI calculator with BMI-for-age percentile
Growth velocity calculator for two-date measurement comparison
Corrected-age timeline for preterm birth adjustment
Family-height context calculator using parental heights
Transparent reference selection and calculation documentation
Browser-based calculations with no account or data storage required
Educational guides explaining percentiles, BMI, velocity, and family-height context
Technical measurement-review flags and data provenance links
Daily "I'm OK" check-in button for loved one
Family dashboard showing check-in status
Last-known location context
Battery status information
Missed check-in alerts
Multiple caregiver coordination
"Call me" and "I need help" buttons
Consent-based setup
No route history tracking
Support for up to 6 caregivers
What makes it different
Independent operation with no CDC, WHO, or institutional endorsement or affiliation
Transparent inputs and derived values without invented missing measurements
Educational focus with guides explaining result meaning and limits
Privacy-first design with browser-based calculation and no health record storage
Explicit reference selection without silent substitution of methods or measurements
Consent-first design where setup happens together with loved one's knowledge
Last-known location only, no route history or movement tracking
Large buttons and simple interface designed for older users
No paywall for active help status
Free Basic mode available after trial without payment required
Child Growth Lab
KinStatus