# Weeknummer - Kalender — De weeknummer in een oogopslag

> De weeknummer in een oogopslag (iPhone/iPad app by Aizu Fon.)

- Source: https://appshunter.io/ios/app/weeknummer-kalender/id6806248831 (this page in markdown: same URL + `.md`)
- Developer: [Aizu Fon](https://appshunter.io/developer/6802761307)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.6 · 23 MB
- Languages: American English
- Released: 2026-09-14
- Data updated: 2026-10-26

## What is Weeknummer?

Week Number – Calendar

Do you always know what week number it is? With this app, you can see it at a glance. No hassle with complicated calendars or unnecessary features. Open the app and instantly see the current week number, the corresponding dates, and a clear calendar overview.

What does the app do?
- Shows the current week number according to the ISO 8601 standard.
- Displays the dates for the current week (Monday through Sunday).
- Navigate to previous and next weeks using the arrows.
- A simple, minimalist design without distractions.

Why this app?
- Simple: Open the app and instantly see the current week number.
- Widget: View the week number directly on your home screen.
- No hassle: No account, no settings, no fuss.
- Privacy: No data is collected or stored.

Pro Year view 
With the Pro upgrade, you unlock access to the full year overview. Easily drag or manually enter days and weeks, and the app will automatically calculate the corresponding week numbers and dates. Perfect for project managers, planners, and anyone who needs to quickly and accurately consult week numbers. The upgrade is a one-time purchase.

Perfect for students, project managers, planners, and anyone who wants to quickly find out what week number it is.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Jaaroverzicht Pro | $0.99 | one-time |


## Is Weeknummer safe?

Not enough ratings yet to assess Weeknummer.

## Is Weeknummer legit?

Weeknummer - Kalender has limited verification signals. The AppsHunter Legitimacy Score for Weeknummer is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-10-10

Improved display: the app’s text size now stays consistent, even if your iPhone uses a larger text size setting.

### 1.0 — 2026-09-14

No release notes.

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## More apps by Aizu Fon

- [Druppel](https://appshunter.io/ios/app/druppel/id6802761305)

All apps by Aizu Fon: https://appshunter.io/developer/6802761307

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-26.*