BabyPercentile vs Child Growth Lab
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
BabyPercentile compared with Child Growth Lab
| Detail | 
BabyPercentile | 
Child Growth Lab |
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| What it does | Free baby growth percentile calculator using WHO and CDC charts for children 0–5 years
| Pediatric growth calculators for WHO and CDC references
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| Not given
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| Key features | - WHO Child Growth Standards charts for ages 0–60 months
- CDC 2000 growth charts available from age 24 months
- Weight, length/height, head circumference, and weight-for-length measurements
- Separate growth curves for boys and girls
- Corrected age calculation for premature babies born before 37 weeks
- Private browser-only growth log with no server upload
- Trend alert for faltering growth based on UK NICE guidance
- Gain-per-day check between measurements
- Works offline after initial page load
| - 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
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| What makes it different | - No ads, no account, no data collection—measurements never leave your browser
- Official WHO LMS parameters and CDC data with published formulas shown explicitly
- Handles measurement precision automatically with date-of-birth mode for young babies
- Applies WHO's 0.7 cm adjustment for lying vs standing measurement method at 24 months
- Cross-checked data with automated test suite validating WHO medians and clinical thresholds
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 6 ▼ −1 (down) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 5 | 4 |
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| Citation Flow (Majestic) | 23 | 17 |
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| Referring domains (Majestic) | 7 | 4 |
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4 details filled in for both companies.
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