Week Number is a utility app for macOS and Android that displays current ISO or Gregorian week numbers via widgets and menu bar items.
Product velocity
Active
Daily rank 🇺🇸
—
Utilities
Sentiment
4.9
261 reviews
Nemesis
Widget Wizard
The App DNA
What makes this app unique?
Users hire this app to eliminate the manual calculation of week numbers during scheduling, providing a quick reference that standard calendar apps often bury in settings.
For Professionals and individuals who require frequent reference to ISO or Gregorian week numbers for scheduling.
What does it look like?
Key features
Displays the current week number directly in the macOS menu bar
Displays week number on Android home screens with adjustable size, background color, and transparency
How much does it cost?
The app is distributed as a free utility without IAP or subscription gates.
Velocity
Active developmentShow more...
5 versions in history. Development pace: active.
Who built it?
Sindre Sorhus
13+ apps tracked · Utilities
User Sentiment
What do users think recently?
Review voice lately leans excited.
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Week Number
How's the Utilities market?
The app maintains a 4.86 rating on Android with 261 reviews, signaling high satisfaction for its specific utility niche. Its lack of monetization or aggressive growth features keeps it as a secondary utility rather than a primary market competitor.
Read the market outlookThe rivals identified
By Ahmed El-Khuffash
This is the only direct competitor in the Utilities category focused specifically on widget-based information display.
- Offers a specialized widget-first interface that mirrors this app's core utility value proposition.
- Maintains a singular focus on home screen utility, avoiding the bloat of full-featured calendar suites.
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Week Number
Where is it heading?
The market for single-purpose date utilities is consolidating as OS-level calendar widgets become more capable. Week Number remains stable due to its simplicity, but it must add active scheduling features to avoid being replaced by native system tools.
- Recent updates focused on macOS compatibility and widget contrast, indicating the app remains in a maintenance-focused utility lifecycle.
The SWOT
- Minimalist design reduces cognitive load for quick date lookups
- Cross-platform widget availability ensures consistent utility access
- Integration with third-party calendar APIs could transition the app into an active scheduling tool
Next best moves
Integrate third-party calendar sync because users require active scheduling, not just passive viewing → increase daily utility frequency.
The counter-intuitive read
The app's lack of monetization is its primary risk…
Read the full takeFeature gaps
Natural language event creation (available in Fantastical Calendar but absent here) +1
Since the last report: The intelligence report expanded from a basic utility profile to a strategic analysis, identifying the app's lack of monetization and advanced features as risks to its long-term viability.
Bottom line
Week Number succeeds as a minimalist utility, but its lack of advanced features limits its growth, so the PM should pivot toward calendar integration to increase user retention.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeReport last updated