BabyPercentile · House #35,038

What it is

Calls itself “calculator”.

• Calls itself: calculator

“Free baby growth percentile calculator for ages 0–5 — WHO & CDC charts for weight, length/height, head circumference, plus a private growth log.”

Where it puts itself

Rules out “nothing is uploaded”. Publishes a comparison page.

• Says it will not: nothing is uploaded

“The growth log is stored only in this browser — nothing is uploaded.”

“WHO vs CDC -> https://babypctile.probaby.store/who-vs-cdc/”

What it costs

A free tier, free forever.

• Free plan: free forever

“Free baby growth percentile calculator for ages 0–5 — WHO & CDC charts for weight, length/height, head circumference, plus a private growth log.”

Who it sells to

Sells to consumers. Available in 2 languages.

• Sells to: consumers
• Languages: en · es

“Free baby growth percentile calculator for ages 0–5 — WHO & CDC charts for weight, length/height, head circumference, plus a private growth log.”

“Menu ▾ Calculator Weight chart Reading charts WHO vs CDC FAQ en es”

How it runs

A web app. Runs locally and works offline.

• Kind: web
• Runs where: on the device, offline

“Everything runs in your browser — enable JS and reload to use it.”

What it works with

Built on JavaScript. Names CDC, CDC 2000 and 4 more on its pages.

• Built on: JavaScript
• Names: CDC · CDC 2000 · UK NICE · +3

“BabyPercentile”

“WHO & CDC baby growth percentiles”

What it offers as proof

Live, no waitlist. Try it without signing up.

• Trial asks for: nothing

“The log lives only in your browser, with no account and no upload .”