Diaper Calc 1.1

Pavel Zak ❘ Freeware ❘
iOS

Latest Version
1.1 Safe to install

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Handy, no-frills diaper calculator for practical pre-stocking

Human-built. AI-enhanced.

Boris Weber

07/19/2026

Diaper Calc by Pavel Zak is a lightweight, privacy-friendly utility that predicts diaper sizes and counts (US/EU) over time using growth percentiles, recommends package sizes, supports multiple children and offline use, but is basic in features and UI polish, with few recent updates and limited user feedback.

As a reviewer and parent, I have faced the same recurring questions whenever a new diaper pack is needed: which package size is appropriate, and am I buying the right quantity or is my baby ready for a larger size?

DiaperCalc addresses these concerns with a practical approach. It estimates the number of disposable diapers required over a defined period, basing the calculation on the baby's current weight and projected growth using percentile curves from pediatric growth charts.

Main features:

Estimates diaper counts and sizes for a chosen period (up to 3 years of age).
Recommends the optimal packaging size to purchase.
Displays a chart of expected growth.
Distinguishes between US and EU diaper sizes.
Supports multiple children.
Offers tips for diaper purchases and pre-stocking.
Works offline.
Supports light and dark modes.

Overall, the app provides a concise, data-informed tool for planning diaper purchases and sizing, suitable for busy families.

Feedback is welcome.

Overview

Diaper Calc is a Freeware software in the category System Utilities developed by Pavel Zak.

The latest version of Diaper Calc is 1.1, released on 07/18/2026. It was initially added to our database on 07/18/2026.

Diaper Calc runs on the following operating systems: iOS.

Users of Diaper Calc gave it a rating of 3 out of 5 stars.

Boris Weber

I am an editor at UpdateStar. I started as a support engineer, and am now specialized in writing about general software topics from a usability and performance angle among others. I telecommute from UpdateStar’s Berlin office, when I am not working remote as a digital nomad for UpdateStar. When I'm not analyzing the latest software updates, you can find me exploring new cities, immersing myself in local cultures, and discovering innovative tech trends across the globe.

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Latest Version
1.1

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