Pediatric growth calculators for WHO and CDC references
Daily Safety Signal
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
DE
Pricing model
Free
Freemium
Pricing
Not given
Free plan includes daily signal reminders and email notifications to up to 3 contacts. Paid plans add SMS notifications, Timer feature, and support for up to 10 email contacts and 1–5 SMS contacts.
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 check-in reminders
Automatic email and SMS alerts to emergency contacts
60-minute grace period after missed check-in
Safety Timer for time-limited activities
Support for multiple emergency contacts
No location tracking or GPS
Pause signals anytime
Contact invitation and confirmation system
EU data storage on Google Firebase
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
Works automatically without requiring you to take action in an emergency
No GPS tracking or privacy invasion
Contacts don't need to install an app to receive alerts
Designed for daily passive safety, not acute emergencies
Child Growth Lab
Lunio