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Growthling

In-depth review
Free
Health & Fitness

Growthling is a free Progressive Web App for tracking baby growth. It allows parents to log their child's weight, length, and head circumference, visualizing these measurements on real WHO and CDC growth charts. Users can see percentiles and z-scores for every entry, and track multiple children.

Catalogued November 4, 2026 · Curated by PWA Directory team
👶Growthling
growthling.app
Growthling, as it opens in a browser tab

Growthling, as it opens in a browser tab.

Online Only
Installable
Cross-Platform
✓
Free

Not sure how to add Growthling to your home screen? Step-by-step for Chrome, Safari, Firefox and Edge — it takes about ten seconds, and there is no app store involved.

Own Growthling? Have us re-run this measurement — we open it in a real browser, wait for the service worker, and send you what it cached.

Tags
baby-growthgrowth-trackerwho-chartscdc-chartsparenting-apphealth-trackerchild-development

How to install Growthling as a PWA

Chrome / Edge
Menu (⋮) → Add to Home screen
Safari (iOS)
Share (↑) → Add to Home Screen
Firefox
Menu (⋮) → Install

Screenshots

3 images · scroll →
Growthling screenshotGrowthling screenshotGrowthling screenshot

Why we recommend Growthling

Growthling stands out for its direct application of official WHO Child Growth Standards (0-5 years) and CDC infant growth charts (0-36 months), making it a reliable tool for parents. Users can track multiple children, invite partners or caregivers, and export growth chart images. The app offers fast data entry, even allowing import from spreadsheets. Its explicit focus on privacy, stating "We do not sell, rent or share your personal data," provides peace of mind. The ability to switch between WHO and CDC charts, as recommended by the CDC for children under 2 in the US, adds to its versatility and adherence to pediatric guidelines.

Best use cases

Best for: Parents and caregivers who want to meticulously track a baby's growth using officially recognized charts. Ideal for monitoring weight, length, and head circumference percentiles over time. It's also suitable for sharing growth data with partners or pediatricians, especially with the chart export feature. Families with multiple children can manage all their profiles within a single account.

Honest limitations

Growthling is designed solely for tracking growth measurements and is not intended for medical diagnosis. It does not provide medical advice or tell users if something is wrong with their child's growth. Users should always consult their pediatrician regarding any concerns. While it tracks physical measurements, it does not include features for tracking other developmental milestones beyond what's explicitly mentioned on the landing page.

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