Calendar Week Nerd

ISO Weeks, Widgets & Watch

Free · In-App Purchases · Designed for iPad

Have your most beautiful week ever. Calendar Week Nerd is the ultimate week companion that respects both aesthetics and technical needs. Whether you just want minimal, colorful week widgets or need full custom week setup with ISO, fiscal years, and 9-day cycles, CWN adapts to you. Features: Beautiful Widgets: Home screen, lock screen, and interactive widgets in all sizes. Custom Week Setup: Choose your start day, fiscal year, week numbering, even 9-day sprints with custom week lengths. Apple Watch App + Complications: See week numbers and progress right on your wrist. Calendar Navigation: Tap any week and jump directly into your calendar app. Week & Year Arcs: Track where you are in the year at a glance. Free vs Plus Free: full calendar view, progress week arcs, custom week patterns, all color themes. Plus: unlock real-time widgets, calendar navigation, and full Apple Watch support. Calendar Week Nerd The perfect week system you didn't know you needed. Privacy Policy: https://calendarweeknerd.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

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Small fixes to improve overall stability and performance

Version 2025.2.1

The developer, Balthasar Siekiera, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data
    • Diagnostics

Privacy practices may vary based, for example, on the features you use or your age. Learn More

The developer indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • VoiceOver

    • Voice Control

    • Larger Text

    • Dark Interface

    • Differentiate Without Colour Alone

    • Sufficient Contrast

    • Reduced Motion

Information

  • Provider
    • Balthasar Siekiera
  • Size
    • 163.5 MB
  • Category
    • Productivity
  • Compatibility
    Requires iOS 18.4 or later.
    • iPhone
      Requires iOS 18.4 or later.
    • iPad
      Requires iPadOS 18.4 or later.
    • Mac
      Requires macOS 15.4 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.4 or later.
    • Apple Watch
      Requires watchOS 11.4 or later.
  • Languages
    • English and German
  • Age Rating
    4+
  • In-App Purchases
    Yes
    • CalendarWeekNerd+ Lifetime USD 29.99
    • CalendarWeekNerd+ Monthly USD 0.99
    • CalendarWeekNerd Plus Yearly USD 11.99
    • Learn More
  • Copyright
    • © Balthasar Siekiera
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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