Date&Datetime Calculator

Date&Datetime Calculator

By Luoyang Xinyue Network Technology Co.

Date&Datetime Calculator is a utility app for iOS that performs date arithmetic and interval calculations.

The App DNA

What makes this app unique?

It removes the friction of manual calendar counting for users who need quick, ad-free date offsets without the complexity of full-featured calendar management.

For Users requiring quick, ad-free date-based calculations for personal or professional scheduling.

What does it look like?

Key features

Date Arithmeticstandard

Calculates future or past dates by adding or subtracting days, months, or years.

Interval Calculatorstandard

Determines exact duration between two dates.

Holiday Lookupstandard

Displays holiday dates within the interface.

How much does it cost?

freeFree access to all calculation tools

The app is distributed as a free utility without visible in-app purchase or subscription gates.

Velocity

Dormant developmentperformanceShow more...

Date&Datetime Calculator has been inactive for 1697 days, placing it firmly in the zombie category. The development history consists of a single minor release focused on bug fixes, with no subsequent updates or feature additions. There is no evidence of ongoing maintenance or support for the application.

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Who built it?

Luoyang Xinyue Network Technology Co.

1 app tracked · Utilities

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
0.00 · 0

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Date&Datetime Calculator

How's the Utilities market?

Date&Datetime Calculator maintains a static presence in the utility category with no updates since early 2022. The lack of recent activity suggests the app is in maintenance mode, limiting its ability to compete with updated, feature-rich scheduling tools.

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The rivals identified

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The Analyst's Read

Key takeaways for Date&Datetime Calculator

Where is it heading?

The utility market is shifting toward integrated, multi-platform scheduling tools that sync across devices. Date&Datetime Calculator remains static, which will accelerate its obsolescence as users migrate to tools that offer cloud-based data persistence and frequent feature updates.

  • The four-year development gap indicates the app is in permanent maintenance mode, which will eventually lead to OS compatibility failures.

The SWOT

Core Strengths
  • Ad-free utility model provides immediate, frictionless access to core calculation tools
Critical Frictions 1 weakness inside
Growth Levers
  • Integration with system-level calendar APIs could provide a path to modern relevance
Market Threats 1 threat identified

Next best moves

1 Sunset

Sunset the app because the development cycle has been dormant for over 1600 days → remove maintenance overhead

The counter-intuitive read

The app's lack of updates is its most defining feature…

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Bottom line

Date&Datetime Calculator provides a functional, ad-free utility, but the four-year development gap makes it an unreliable choice for long-term scheduling needs.

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

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FAQ

Is Date&Datetime Calculator free to use?
Yes, Date&Datetime Calculator is a free utility and does not include in-app purchases or subscription gates.
Is Date&Datetime Calculator safe for professional scheduling?
The app provides basic calculation tools, but because it has not been updated since 2022, it may lack compatibility with newer OS versions and lacks modern data backup features.
What are some alternatives to Date&Datetime Calculator?
Users should consider system-native calendar apps or actively maintained utility apps that offer cloud syncing and frequent updates.

Sources

  1. [1] App Store

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&Datetime Calculator, 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. “Date&Datetime Calculator Intelligence Report.” Updated Oct 24, 2026. https://marlvel.ai/apps/date-datetime-calculator

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