Calendar Week vs Weeknummer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calendar Week
This app displays the current calendar week number for your Apple Watch complication or iPhone widget. It also provides details on the first and last day of the current week.
- Calendar week number display
- Apple Watch complication
- iPhone widget
- First day of week info
- Last day of week info
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The app displays the calendar week number based on the current calendar either as a complication for the Apple Watch or as a Widget for the iPhone. Additionally both Calendar Week for iPhone and Calendar Week for Apple Watch provide additional information about the first and the last day of the current week.
Weeknummer
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: Calendar Week at none against Weeknummer's 1. Weeknummer's advantage is update cadence (every 4 weeks vs every 4 months) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Weeknummer sells 1 one-off in-app purchase. Calendar Week asks for nothing beyond the download.
Calendar Week ships an update every 4 months, Weeknummer every 4 weeks. The most recent releases landed on November 2, 2026 and October 26, 2026 respectively.
| Parameter | Calendar Week | Weeknummer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 75.7% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 4 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 85 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Jana Grill | Aizu Fon |
In-app purchases
Calendar Week
No in-app purchases
Weeknummer
- Jaaroverzicht Pro$0.99
Questions
Is Calendar Week free?
Is Weeknummer free?
Do Calendar Week or Weeknummer have ads?
Which is updated more often, Calendar Week or Weeknummer?
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