Weight chart – WHO standard
Height chart – WHO standard
Head circumference chart – WHO standard
BMI chart – WHO standard
GrowthTrackerPro Mobile App

Calm clarity for how a child is growing

Built around official WHO, CDC, and Fenton reference curves, GrowthTrackerPro turns everyday measurements—weight, length/height, head circumference, and BMI—into clear charts and percentiles you can understand at a glance and share with your pediatrician.

Growth charts with the 3rd–97th band

Interactive charts with official reference curves and the familiar 3rd–97th percentile band. Log measurements when you have them and explore each metric with clear percentile context.

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Weight growth chart with WHO percentile curves
Height chart using WHO standard

International standards, applied with care

WHO (0–5 years) for healthy early growth. CDC (2–20 years) for older children and teens. Fenton for preterm infants, using post-menstrual age so progress is read in the right clinical context from the start.

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A focused home for each child

Add your child once (with due date details for premature babies). Profile, measurements, charts, and percentiles stay in a clean flow. GrowthTrackerPro selects an appropriate standard for the child’s age.

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Head circumference chart for a child profile
Latest weight with percentile context

Percentiles you can read at a glance

Percentile views for weight, height, head circumference, and BMI by age—so everyday numbers become something you and your pediatrician can discuss with confidence.

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Measurement reminders included

Stay consistent with measurement reminders included in the free experience. Premium unlocks advanced reminders for vaccinations, milestones, and growth check-ins.

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Notifications and measurement reminders
Latest height with trend context

Premium smart alerts

Get notified when a latest value sits outside the typical range—below the 3rd or above the 97th percentile—with clear, non-diagnostic guidance to consult your pediatrician.

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Premium analytics & projections

Trends and projections based on your own data—velocity over recent months and forward estimates you can review before a visit.

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Advanced analytics trends and projections
Export growth data as PDF, CSV, or summary card

Premium exports ready for a visit

Polished PDF reports, CSV files, and summary cards—ready to share with your pediatrician in a format that travels well.

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Start free. Grow with Premium

Begin free with one child and charts for weight, height, and head circumference. Upgrade for BMI charts, smart alerts, advanced analytics, exports, unlimited children, and monthly, yearly, or lifetime options.

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BMI chart – Premium feature

See GrowthTrackerPro in action

Weight chart – WHO standard

Weight Chart

WHO reference curves with the 3rd–97th percentile band

Height chart – WHO standard

Height Chart

Length/height growth chart with official percentile curves

Head circumference chart – WHO standard

Head Circumference

Head circumference tracked against WHO standards

BMI chart – WHO standard

BMI Chart

Body mass index charts (Premium) with WHO reference curves

Latest weight with analytics

Latest Weight

Latest value, trend context, and Premium analytics

Latest height with analytics

Latest Height

Height percentile context with trends and projections

Latest head circumference with analytics

Latest Head Circumference

Clear percentile reading for head circumference by age

Advanced analytics and projections

Advanced Analytics

Premium trends and projections based on your own data

Notifications and reminders

Reminders

Measurement reminders included; advanced reminders in Premium

Export Data

Export Data

Premium PDF reports, CSV, and summary cards for visits

Frequently asked questions

What is GrowthTrackerPro?

GrowthTrackerPro brings calm clarity to how a child is growing. It turns weight, length/height, head circumference, and BMI into clear charts and percentiles built on official WHO, CDC, and Fenton reference curves—ready to share with your pediatrician.

Which growth standards does GrowthTrackerPro use?

WHO (0–5 years) for healthy early growth, CDC (2–20 years) for older children and teens, and Fenton for preterm infants using post-menstrual age. The app selects an appropriate standard for the child’s age; you can also switch when needed.

What’s free and what’s Premium?

Free includes one child and charts for weight, height, and head circumference, plus measurement reminders. Premium unlocks BMI charts, smart alerts, advanced analytics and projections, exports (PDF, CSV, summary cards), advanced reminders, unlimited children, and monthly, yearly, or lifetime options.

Does GrowthTrackerPro work for premature babies?

Yes. Add due date details when you create the profile. Fenton charts use post-menstrual age so progress is read in the right clinical context from the start.

What are smart alerts?

Premium smart alerts notify you when a latest value sits outside the typical range (below the 3rd or above the 97th percentile), with clear, non-diagnostic guidance to consult your pediatrician.

Can I export my data?

Yes. Premium users can export polished PDF reports, CSV files, and summary cards ready for a pediatric visit.

Is my data safe?

Yes. GrowthTrackerPro keeps your information private. Your data is stored locally on your device and can sync through your iCloud account. We never share your data with third parties.

What are the Terms of Use?

This app uses the standard Apple End User License Agreement (EULA). See also our Terms of Use page.

Does GrowthTrackerPro require internet?

No. GrowthTrackerPro works offline. All growth data and charts are stored locally on your device. iCloud sync is optional and only needs internet when syncing.

How can I contact support?

For questions or technical assistance, contact our team at contact@narfk.com