Pediatric growth calculators for WHO and CDC references
Stage
Growing
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Founded
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Based in
US
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Pricing model
Paid
Free
Pricing
Sleep longevity memberships from $0.99/day billed annually. At-home sleep apnea test $149 one-time. CPAP therapy available month-to-month with no large upfront cost. All HSA/FSA eligible.
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Key features
SleepLongevityAge™ metric showing how sleep is aging you
51-biomarker blood panel analysis
FDA-cleared at-home sleep test
Board-certified sleep physician review within 48 hours
CPAP therapy with prescription and shipping
Smart resupply program using usage data
AI companion providing 24/7 support
In-app doctor consultations
Sleep insights dashboard tracking progress
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
What makes it different
All-in-one platform combining sleep longevity assessment and clinical apnea treatment
No wearable required; blood panel provides real numbers
Results in 48 hours from board-certified physicians
Completely virtual care with no in-person visits
Transparent, fixed pricing with no surprise bills
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
Dumbo Health
Child Growth Lab