---
title: "Nappy Calc - Reviews, Revenue and Downloads in United Kingdom | Apple App Store"
description: "As a father, I have struggled every time we needed a new pack of nappies: &quot;Which package should I buy?&quot;, &quot;Can I buy directly a bigger pack or is my baby already outgrowing the current nappy size?&quot; The"
---

# Nappy Calc — United Kingdom
> How many nappies are needed?

![Nappy Calc App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/7d/8b/ba/7d8bba51-9402-e09e-1247-8580d1635f97/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/400x400bb.png)

**Developer:** [Pavel Zak](https://apptail.io/developer/pavel-zak-vBQd)
**Category:** Utilities
**Rating:** 5.0/5 (2 ratings)
**Price:** Free
**Bundle ID:** eu.nerdyak.DiaperCalc
**Store:** Apple App Store
**Country:** United Kingdom
**Version:** 1.2 (released 2026-04-13)
**Original Release:** 2019-11-27

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/gb/app/app/id1489084828)
**AppTail Page:** [https://apptail.io/app/nappy-calc-hnqe/united-kingdom](https://apptail.io/app/nappy-calc-hnqe/united-kingdom)

## Nappy Calc Description
As a father, I have struggled every time we needed a new pack of nappies: &quot;Which package should I buy?&quot;, &quot;Can I buy directly a bigger pack or is my baby already outgrowing the current nappy size?&quot;
These were the questions I asked myself constantly and that is why I have created this app. 

NappyCalc is a simple but useful utility for parents that counts how many disposable nappies do you need to have in a specified period of time. The computation is based on the baby current weight and expected baby growth based on percentile curves of pediatric growth charts.

Main features:
•  Computes nappy count and sizes for the selected period of time (up to 3 years of age)
•  Recommends which packaging is ideal to purchase
•  Displays chart with expected baby growth
•  Available to distinguish US and EU nappy sizes
•  Usable for more than one child
•  Contains useful tips related to nappies purchases and pre-stocking
•  Works offline
•  Light/Dark mode support

Enjoy the app and do not hesitate to share your feedback with me!

## Nappy Calc Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/07/17/ac/0717acee-e64b-e5fa-75f7-158f22eb8f90/pr_source.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/2d/cb/81/2dcb8168-0c10-c5aa-22af-8311aba8f0b4/pr_source.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/aa/bd/0b/aabd0bb8-9240-6aa6-1445-e6ab62b9e22c/pr_source.png/1242x2688.png)

## Nappy Calc Rating Breakdown in United Kingdom
- 5 stars: 2 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)





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- [Trek Diaper](https://apptail.io/app/trek-diaper-JcJe/united-kingdom)
- [ChatBot4You - Live-Chat](https://apptail.io/app/chatbot4you-live-chat-izHf/united-kingdom)
- [Babyspot](https://apptail.io/app/babyspot-xnIf/united-kingdom)
- [Next Size- Kinderkleidung](https://apptail.io/app/next-size-kinderkleidung-fesp/united-kingdom)
- [Ninno: Baby Diary &amp; Tracker](https://apptail.io/app/ninno-baby-diary-tracker-wMeq/united-kingdom)
- [anny Check-In](https://apptail.io/app/anny-check-in-VAWv/united-kingdom)

## Nappy Calc Available In
- [United Kingdom](https://apptail.io/app/nappy-calc-hnqe/united-kingdom)
- [Australia](https://apptail.io/app/nappy-calc-hnqe/australia)
- [United States](https://apptail.io/app/nappy-calc-hnqe/united-states)
- [Czechia](https://apptail.io/app/nappy-calc-hnqe/czechia)
- [Germany](https://apptail.io/app/nappy-calc-hnqe/germany)
- [Colombia](https://apptail.io/app/nappy-calc-hnqe/colombia)
- [Cyprus](https://apptail.io/app/nappy-calc-hnqe/cyprus)
- [Denmark](https://apptail.io/app/nappy-calc-hnqe/denmark)
- [Ecuador](https://apptail.io/app/nappy-calc-hnqe/ecuador)
- [Spain](https://apptail.io/app/nappy-calc-hnqe/spain)
- [France](https://apptail.io/app/nappy-calc-hnqe/france)
- [Greece](https://apptail.io/app/nappy-calc-hnqe/greece)
- [Hungary](https://apptail.io/app/nappy-calc-hnqe/hungary)
- [India](https://apptail.io/app/nappy-calc-hnqe/india)
- [Italy](https://apptail.io/app/nappy-calc-hnqe/italy)
- [Vietnam](https://apptail.io/app/nappy-calc-hnqe/vietnam)
- [Austria](https://apptail.io/app/nappy-calc-hnqe/austria)
- [Brazil](https://apptail.io/app/nappy-calc-hnqe/brazil)
- [Canada](https://apptail.io/app/nappy-calc-hnqe/canada)
- [Switzerland](https://apptail.io/app/nappy-calc-hnqe/switzerland)
- [Russia](https://apptail.io/app/nappy-calc-hnqe/russia)
- [Armenia](https://apptail.io/app/nappy-calc-hnqe/armenia)
- [Netherlands](https://apptail.io/app/nappy-calc-hnqe/netherlands)
- [Norway](https://apptail.io/app/nappy-calc-hnqe/norway)
- [Madagascar](https://apptail.io/app/nappy-calc-hnqe/madagascar)
- [China](https://apptail.io/app/nappy-calc-hnqe/china)

---

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