---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Date&Datetime Calculator"
developer_entity: "Luoyang Xinyue Network Technology Co., Ltd"
bundle_id: "ios.xinyue.datetime"
app_store_id: "1611167429"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2022-03-01"
report_date: "2026-10-24"
last_verified: "2026-10-24T00:00:00.000Z"
report_version: "1.0.5"
total_reviews: 0
confidence: "low"
confidence_score: 0.05
data_age_days: 15
momentum_velocity: "zombie"
intelligence_version: 2
tags: ["utilities", "free", "mobile app", "app review", "app analysis", "users", "requiring", "quick,"]
canonical_url: "https://marlvel.ai/apps/date-datetime-calculator"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Date&Datetime Calculator Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Free

> **TL;DR:** Date&Datetime Calculator is a utilities app by Luoyang Xinyue Network Technology Co., Ltd, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Date&Datetime Calculator is a utilities app by Luoyang Xinyue Network Technology Co., Ltd.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Category** | Utilities |
| **Developer** | Luoyang Xinyue Network Technology Co., Ltd |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.05/1.0) |
| **Data Age** | 15d |

## Metadata & Market Performance
- **Publisher:** Luoyang Xinyue Network Technology Co., Ltd
- **Category:** Utilities
- **Target Audience:** Users requiring quick, ad-free date-based calculations for personal or professional scheduling.
- **Platforms:** iOS
- **Version Reviewed:** 1.0.5
- **Report Date:** 2026-10-24
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.05/1.0)
- **App Store ID (iOS):** 1611167429
- **Bundle ID:** ios.xinyue.datetime
- **Data Window:** Analysis based on signals collected up to 2026-10-24

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Date&Datetime Calculator is a utility app for iOS that performs date arithmetic and interval calculations.
**Why users hire it:** 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.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Date Arithmetic:** Calculates future or past dates by adding or subtracting days, months, or years.
- **[Standard] Interval Calculator:** Determines exact duration between two dates.
- **[Standard] Holiday Lookup:** Displays holiday dates within the interface.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

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.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free access to all calculation tools
- **Analysis:** The app is distributed as a free utility without visible in-app purchase or subscription gates.

<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Ad-free utility model provides immediate, frictionless access to core calculation tools

**Growth Levers:**
- Integration with system-level calendar APIs could provide a path to modern relevance


<!-- /section:swot -->
<!-- section:whats-new -->
## What's New

- **Latest (v1.0.5, 4 years ago):** Corrected the default repeat number and resolved miscellaneous bugs.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- No updates for over 1600 days.
- Development appears to be inactive.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 1697 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Date&Datetime Calculator is an utilities app that is completely free.

<!-- speakable-start -->
> **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.
<!-- speakable-end -->

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

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [SUNSET] Sunset the app because the development cycle has been dormant for over 1600 days → remove maintenance overhead
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Declining

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.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Total Reviews | 0 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Date&Datetime Calculator** (this app) | N/A/5 | N/A | Luoyang Xinyue Network Technology Co., Ltd |
| [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.9/5 | N/A | Cat Connect |
| [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim |
| [App For Siri Commands Tips](https://marlvel.ai/apps/app-for-siri-commands-tips) | N/A/5 | N/A | Anh La Phan Son |
| [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies |
| [Bin Days - Bin Reminder](https://marlvel.ai/apps/bin-days-bin-reminder) | N/A/5 | N/A | Vicki Partridge |

## Company Profile
- **Developer:** Luoyang Xinyue Network Technology Co., Ltd

## Data Sources & Links
- **App Store ID:** 1611167429
- **Sources:** App store metadata.

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## Frequently Asked Questions {#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.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.05/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 15 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/date-datetime-calculator)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.