Calendar Week

Calendar Week

By Jana Grill

Calendar Week is a utility app for iOS and watchOS that displays current calendar week numbers via widgets and complications.

The App DNA

What makes this app unique?

It removes the cognitive friction of calculating week numbers for professional planning, a detail missing from standard Apple calendar views.

For Users requiring quick access to calendar week numbers for professional or personal planning on Apple devices.

Key features

Apple Watch Complicationedge

Provides calendar week number and date range information directly on watch faces.

iOS Home Screen Widgetstandard

Displays current calendar week number on the iPhone home screen or today view.

Automatic Localizationstandard

Adjusts week numbering and date formatting based on device language and region settings.

How much does it cost?

freeFree

The app is distributed as a free utility with no visible monetization or in-app purchase gates.

Velocity

Maintenance developmentUX improvementsperformanceShow more...

Calendar Week has entered a maintenance phase, with no new feature builds or updates released in the last 304 days. The latest release focused exclusively on minor technical adjustments for the lock screen and Apple Watch widgets. Development activity is currently stagnant, with no evidence of ongoing feature expansion or live operations.

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Who built it?

Jana Grill

1 app tracked · Productivity

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User Sentiment

What do users think recently?

Fresh user feedback skews thrilled. Users appreciate the minimalist interface design provides a clean and beautiful experience for daily calendar management tasks.

How are ratings & reviews evolving?

App Store
4.20 · 5

What users say, by theme

What Users Love
  • The minimalist interface design provides a clean and beautiful experience for daily calendar management tasks

1 of 1 recent reviews analyzed · limited sample

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Competition

Competitive landscape for Calendar Week

How's the Productivity market?

Calendar Week occupies a narrow utility niche in the Productivity category, maintaining a 4.2-star rating across 5 total ratings. Its lack of monetization and 304-day update gap signal a maintenance-only posture rather than a competitive market play.

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The rivals identified

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The Analyst's Read

Key takeaways for Calendar Week

Where is it heading?

The utility market for calendar-adjacent tools is consolidating as Apple integrates more granular data into native widgets. Calendar Week's stable but stagnant posture leaves it exposed to native feature updates, meaning its long-term viability depends on maintaining its minimalist, ad-free status.

  • The app remains in maintenance mode, with the latest release shipping only minor widget fixes after a ten-month development gap.

The SWOT

Core Strengths
  • Minimalist interface design provides a clean experience for daily calendar management
Critical Frictions 1 weakness inside
Growth Levers
  • Localized week-numbering standards could be expanded to capture professional planning segments in regions with non-standard calendar formats
Market Threats 1 threat identified

Next best moves

1 Maintain

Audit widget performance because the latest release only addressed missing week numbers → maintain baseline stability

The counter-intuitive read

The app's lack of monetization is its greatest competitive barrier…

Read the full take

Since the last report: Development activity remains stagnant with no functional changes or feature additions. The only update is the inclusion of the developer website as a formal data source to confirm the existing maintenance-mode assessment.

Bottom line

Maintaining the current minimalist utility is sufficient for its niche, but the lack of feature expansion leaves the app vulnerable to native OS feature creep.

Unlock 1 critical friction, 1 market threat and the analyst’s take.

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FAQ

Is Calendar Week free to use?
Yes, Calendar Week is distributed as a free utility with no visible monetization or in-app purchase gates.
Does Calendar Week support Apple Watch?
Yes, the app provides a complication for the Apple Watch that displays the calendar week number and date range.
What is the difference between Calendar Week and the native Apple Calendar?
Calendar Week focuses specifically on surfacing week numbers via widgets and complications, which are not always prominent in the native Apple Calendar app.

Sources

  1. [1] App Store, source
  2. [2] Developer website, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Calendar Week, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Calendar Week Intelligence Report.” Updated Aug 3, 2026. https://marlvel.ai/apps/calendar-week

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