The Week Number

Developer: Piet Jonas

Category: Books & Reference

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300 installs

6.00 ratings

22 monthly active users

Revenue not available

The Week Number Summary

The Week Number is a mobile iOS app in Books And Reference by Piet Jonas. Released in May 2009 (17 years ago). It has 6.00 ratings with a 1.83★ (poor) average. Based on AppGoblin estimates, it reaches roughly 22 monthly active users . Store metadata: updated May 29, 2025.

Store info: Last updated on App Store on May 29, 2025 .

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App Details

Store ID: 315311121

First Released: 2009-05-11

Store Last Updated: 2025-05-29

In-App Purchases: No

Ads: No

Website: weeknumber.speedymarks.com

App Store

Crawl Status: Success

AppGoblin First Crawled: 2022-12-08

AppGoblin Last Crawled: 2026-06-16

Ads & App-Ads.txt

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1.83★

Ratings: 6.00

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Screenshots

App Description

This application calculates the number of the week for any date in the past and the future. It can either use the US method (first day of week is a Sunday) or the ISO method (first day is a Monday, first week contains the first Thursday of the year).

It updates the icon badge to the current week number on each start.