Week Number widget vs Datum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Week Number widget
This app displays the current week number on your watch complication and companion iPhone/iPad app. Easily navigate month overviews and perform week number calculations using shortcut actions. It offers a simple way to keep track of the current week.
- Watch complication for quick access
- iPhone/iPad app for month overviews
- Digital Crown scrolling on Watch
- Swipe navigation on iPhone/iPad
- Shortcut actions for calculations
- Supports watchOS 8+ and iOS 15+
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A very simple week number Watch complication and accompanying Watch and iPhone/iPad app. See the current week number with a glance at your watch or iPhone/iPad. Scroll through month overviews using the Digital Crown when opening the Watch app, or swipe between months on the iPhone and iPad. Use the shortcut actions to do week number calculations from shortcuts (requires iOS 16+). The app fully supports watchOS 8+ and iOS 15+.
Datum
A minimalist calendar application designed for Apple devices, offering a clean interface and customizable widgets for iOS, macOS, and watchOS. View upcoming events, daily schedules, and monthly overviews directly from your home screen or watch face.
- Minimalist calendar interface
- Lockscreen widgets for iOS
- Event display widgets
- Calendar widgets with event marks
- watchOS calendar and complications
- Support for iPhone, iPad, Mac, and Apple Watch
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Datum is a minimalistic iOS, watchOS, macOS and visionOS calendar app. For iOS there are Lockscreen Widgets that show you the current date and there are Lockscreen Widgets that show up to 3 events for today. The iOS and macOS apps include the following widgets: - a small widget that shows the current date and at the bottom the events for this day - a small widget that shows a calendar with up to 3 event marks for each day - a medium widget that shows the same as the first small widget and on the right side a calendar with up to 3 event marks for each day - a large widget that shows the same as the medium widget and a list of the upcoming events - a extra large widget that shows a calendar and a list of the upcoming events (only for iPadOS 15+) The watchOS app shows a calendar with up to 3 event marks for each day. You can switch to the next/previous month by tapping on the arrows at the bottom of the calendar. You can view all events for each day by tapping on a day. There are also complications for all watchfaces included that show you the current date.
Screenshots
Verdict
The clearest difference is review sentiment: Datum at 100% against Week Number widget's 33%. Datum also leads on device support (5 vs 3). Week Number widget's advantage is update cadence (monthly vs every 3 months) and price ($0.99 vs $1.99). On ads, in-app purchases, monetization model and iOS requirement 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
Week Number widget costs $0.99 and Datum $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Week Number widget ships an update monthly, Datum every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Week Number widget | Datum |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Mac, Apple Watch, Vision Pro — better |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 2 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Linnet Data | Michael Lindinger |
Customer experience
Week Number widget
Datum
In-app purchases
Week Number widget
No in-app purchases
Datum
No in-app purchases









