Jewish Calendar - CalJ is a lifestyle utility providing religious date conversion, prayer texts, and zmanim schedules for observant users on iOS.
Product velocity
Maintenance
Daily rank 🇺🇸
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Lifestyle
Sentiment
4.7
146 reviews
Nemesis
Fragmented field
The App DNA
What makes this app unique?
Users hire the app to manage daily religious obligations through a bloat-free interface, so the core value is reliability and speed of access.
For Individuals seeking a digital tool for Jewish calendar management, daily prayer texts, and religious timing calculations.
What does it look like?
Key features
Provides daily religious timing calculations based on location, reinforcing the open-app habit.
Directional tool for prayer orientation toward Jerusalem, acting as a unique utility differentiator.
Enables congregations to display Shabbat times on their own websites, anchoring the brand within synagogue websites.
How much does it cost?
The app is distributed as a free utility without visible subscription or IAP gates.
Velocity
Maintenance developmentperformanceopaqueShow more...
The app ships approximately 0.25 releases per month, placing it in a maintenance tier. Development is currently focused exclusively on minor bug fixes, with no evidence of new features or live-ops content. The latest release from August 2026 continues this trend of stability-focused updates. The development trend is stable but minimal, with no significant feature additions observed in the provided history.
Who built it?
User Sentiment
What do users think recently?
Recent user voice shows a thrilled sentiment. Users appreciate comprehensive collection of daily religious tools and zmanim schedules provides a complete utility for observant users and responsive developer engagement ensures that user suggestions are frequently integrated into the core application experience.
How are ratings & reviews evolving?
What users say, by theme
- Comprehensive collection of daily religious tools and zmanim schedules provides a complete utility for observant users
- Responsive developer engagement ensures that user suggestions are frequently integrated into the core application experience
- Clean and bloat-free interface design allows users to access essential religious information without unnecessary distractions
- Recent changes to location search functionality make finding specific cities or regions less efficient for users
49 of 49 recent reviews analyzed · high confidence · Thrilled overall
Read the full review analysisUnlock 1 more frustration theme and 2 user requests, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Jewish Calendar - CalJ
How's the Lifestyle market?
CalJ maintains a 4.7-star rating across 146 reviews, positioning it as a stable, long-term utility for the observant community. The lack of recent major feature updates suggests a maintenance-focused strategy that prioritizes stability over aggressive growth.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Jewish Calendar - CalJ
Where is it heading?
The market for religious lifestyle utilities is consolidating around apps that offer both deep utility and modern accessibility. CalJ is currently exposed due to its maintenance-mode cadence and recent UX regressions, so the PM must prioritize stability to prevent the loss of its core user base to more updated competitors.
- Recent location search regressions slow down the user workflow, which increases churn risk among daily users who rely on fast access to zmanim.
- High developer responsiveness to user feedback maintains a strong 4.7-star rating, providing a stable foundation for future feature expansion.
The SWOT
- Responsive developer engagement ensures user suggestions are integrated into the core experience
- Adding English translations and custom prayer variations would expand the user base to those who do not read Hebrew
Next best moves
Pivot location search to restore text-based input alongside the map view because users report the current map-only workflow slows down daily use → restore efficiency.
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of monetization is a strategic barrier to entry for rivals…
Read the full takeSince the last report: The app's competitive position is increasingly viewed as stagnant, with a shift toward addressing UX friction and localization to prevent user churn.
Bottom line
Jewish Calendar - CalJ maintains a loyal base through its bloat-free utility, but the recent location-search regression threatens the daily-use habit, so the PM should prioritize restoring text-based search to stabilize retention.
Unlock 1 critical friction, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeSources
- [1] App Store, source
Report last updated