Date Converter: Calendars

Date Converter: Calendars

By TenTal

Date Converter: Calendars is a utility for translating dates between Gregorian, Islamic, Coptic, Um Al Qura, Hebrew, and Solar Hijri systems on iOS and Android.

The App DNA

What makes this app unique?

It removes the cognitive friction of manual cross-referencing for researchers and religious observers who must navigate multiple cultural calendars simultaneously.

For Historians, religious scholars, and international business professionals requiring precise date translation across cultural calendar systems.

What does it look like?

Key features

Multi-Calendar Conversionedge

Translates dates between six distinct calendar systems.

Customizable Calendar Displaystandard

Allows users to select and reorder active calendar systems.

How much does it cost?

freemiumFree tier with ad support

The app utilizes an ad-supported model to monetize the free user base.

Velocity

Maintenance developmentperformanceShow more...

The app has shipped only one release in the observed window, resulting in a maintenance-tier cadence. With the latest release occurring 27 days ago and focusing exclusively on stability, there is no evidence of active feature development or live operations. The development trend is stable but minimal, prioritizing technical upkeep over new functionality. Future updates are expected to continue this pattern of infrequent, minor maintenance patches.

See all version history

Who built it?

TenTal

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User Sentiment

What do users think recently?

The recent review mood reads mixed. Users appreciate the core calendar conversion functionality provides reliable and accurate results for users across multiple date systems and the interface design allows for fast and intuitive navigation when performing standard date conversion tasks.

How are ratings & reviews evolving?

App Store
4.44 · 102
Google Play
0.00 · 0

What users say, by theme

What Users Love
  • The core calendar conversion functionality provides reliable and accurate results for users across multiple date systems
  • The interface design allows for fast and intuitive navigation when performing standard date conversion tasks
What Frustrates Users
  • The recent update replaced the intuitive scrolling dial with a navigation style that makes finding dates difficult
+ 1 more theme
What Users Want 1 request inside

15 of 15 recent reviews analyzed · moderate confidence · Mixed overall

Read the full review analysis

Unlock 1 more frustration theme and 1 user request, each backed by review evidence.

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Competition

Competitive landscape for Date Converter: Calendars

How's the Utilities market?

Date Converter: Calendars maintains a 4.44 rating across 102 total ratings, positioning it as a niche utility. The lack of major feature updates in the last six months signals a maintenance-mode posture that risks losing ground to more active competitors.

The rivals identified

The Analyst's Read

Key takeaways for Date Converter: Calendars

Where is it heading?

The utility market for calendar conversion is consolidating around tools that prioritize frictionless input over breadth of systems. Date Converter: Calendars remains exposed due to its recent navigation regression, which forces users to abandon the app for more efficient alternatives.

  • The latest update's navigation regression increases time-to-task, which erodes the utility for power users who rely on the app for frequent comparisons.
  • The maintenance-only release cadence suggests a lack of active investment, leaving the app vulnerable to competitors that prioritize fluid, modern date-selection workflows.

The SWOT

Core Strengths
  • Multi-calendar engine supports six distinct cultural systems
Critical Frictions 1 weakness inside
Growth Levers
  • Integrating a holiday-tracking module would address the top-requested feature
Market Threats 1 threat identified

Next best moves

1 Pivot · 1 Invest

Restore vertical scroll dial because the latest navigation style is the top-cited usability regression → reduce churn.

+ 1 more prioritized move

The counter-intuitive read

The maintenance-mode status is a strategic risk because…

Read the full take

Since the last report: The competitive outlook shifted from declining to mixed, as the analysis now explicitly frames the maintenance-mode development cycle as a zero-switching-cost risk against rivals with modern interfaces.

Bottom line

Restoring the vertical scroll dial would resolve the primary usability regression driving negative sentiment, allowing the tool to regain its position as a frictionless utility for researchers.

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

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FAQ

Is Date Converter: Calendars accurate for historical research?
Users report the conversion results are reliable and accurate for the supported calendar systems, making it a functional tool for historical and religious research.
Does the app include religious holidays?
Currently, the app does not include religious holidays, which is a primary request from users, particularly regarding Hebrew holidays.
Is the app easy to use for comparing dates?
While the core conversion is straightforward, recent updates have made comparing dates across years more difficult due to the removal of the vertical scroll dial.

Sources

  1. [1] App Store, 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 Date Converter: Calendars, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The competitive outlook shifted from declining to mixed, as the analysis now explicitly frames the maintenance-mode development cycle as a zero-switching-cost risk against rivals with modern interfaces.

shifted

Market Outlook Trend

added

Interface Vulnerability

shifted

Contrarian Take Refinement

Cite this report

Marlvel.ai. “Date Converter: Calendars Intelligence Report.” Updated Aug 26, 2026. https://marlvel.ai/apps/date-converter-calendars

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