---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Date & Time Calculator(9 in 1)"
developer_entity: "Thomas Tsopanakis"
bundle_id: "com.ThomasTsopanakis.TimeCalculator"
app_store_id: "536930649"
google_play_id: "com.gbsoft.datescalculator"
category: "Business"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-05-04"
report_date: "2026-06-21"
last_verified: "2026-06-21T03:25:53.382Z"
report_version: "3.1"
total_reviews: 5758
overall_rating: 4.36
sentiment: "Excited"
sentiment_score: 75
confidence: "low"
confidence_score: 0.8
top_praise_theme: "Accurate time and date calculation tools provide significant utility for professional scheduling and academic planning"
top_complaint_theme: "Intrusive full-screen advertisements disrupt the user experience during split-screen multitasking and time-sensitive calculations"
top_request_theme: "Home screen widget integration would allow for faster access to accurate time and date information"
review_sample_size: 99
total_review_count: 99
analyzed_review_count: 63
data_age_days: 11
momentum_velocity: "steady"
intelligence_version: 3
competitor_count: 5
tags: ["business", "freemium", "excited sentiment", "mobile app", "app review", "app analysis", "professionals", "individuals", "requiring"]
canonical_url: "https://marlvel.ai/intel-report/business/date-time-calculator-9-in-1"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Date & Time Calculator(9 in 1) App Audit

## TL;DR {#tldr}

- **Category**: Business · Freemium
- **Signal**: Rating 4.36 · Sentiment Excited
- **Recent focus**: Intrusive full-screen advertisements disrupt the user experience during split-screen multitasking and time-sensitive calculations (top complaint) · Accurate time and date calculation tools provide significant utility for professional scheduling and academic planning (top praise) · Home screen widget integration would allow for faster access to accurate time and date information (top request)

> **TL;DR:** Date & Time Calculator(9 in 1) is a business app by Thomas Tsopanakis, rated 4.36/5 by 5.8K users, with Excited user sentiment (75/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Date & Time Calculator(9 in 1) maintains Excited user sentiment (4.36/5 from 5.8K reviews), with users consistently praising accurate time and date calculation tools provide significant utility for professional scheduling and academic planning.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.36/5 (5.8K reviews) |
| **User Mood** | Excited |
| **Category** | Business |
| **Developer** | Thomas Tsopanakis |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | Low (0.8/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** Thomas Tsopanakis
- **Category:** Business
- **Target Audience:** Professionals and individuals requiring precise time, date, and duration calculations for work, study, or travel planning.
- **Platforms:** iOS & Android
- **Version Audited:** 3.1
- **Audit Date:** 2026-06-21
- **Signal Count:** 99 reviews analyzed
- **Confidence:** Low (0.8/1.0)
- **App Store ID (iOS):** 536930649
- **Bundle ID:** com.ThomasTsopanakis.TimeCalculator
- **Google Play ID:** com.gbsoft.datescalculator
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-06-21
- **Short Description:** Perfect for calculations of time, age, work, study, and everyday life.

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Date & Time Calculator (9 in 1) is a specialized utility app for iOS and Android that performs complex date, time, and duration calculations.
**Why users hire it:** Users hire this app to solve professional scheduling and academic planning problems that standard calculators cannot handle, as the specialized logic removes the manual effort of date-time arithmetic.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Time Travel Calculator:** Calculates remaining travel time based on distance and average speed
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
- **[Standard] Work Days Calculator:** Calculates business days between dates while excluding weekends
- **[Standard] Analog Clock Widget:** Home screen widget with second-hand support for Android 12+
<!-- /section:features -->

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

The app maintains visibility across 30 global markets, peaking at #43 Paid in the US category. Its grossing rank lagging behind free discovery signals monetization friction relative to its utility advantage.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** iOS: $0.99 one-time purchase, Android: Free with ad support
- **Price:** iOS: $0.99
- **Analysis:** Monetization splits by platform, utilizing a paid-upfront model on iOS and an ad-supported model on Android.

<!-- section:sentiment -->
## 🟢 User Sentiment (Low Confidence: 63 of 99 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.36/5
- **Platform Split:** iOS 4.7/5 (1.9K ratings) | Android 4.2/5 (3.8K ratings)
- **Overall Sentiment:** Excited

### Top Praises
- **Accurate time and date calculation tools provide significant utility for professional scheduling and academic planning**

### Top Complaints (Impact Areas)
- **Intrusive full-screen advertisements disrupt the user experience during split-screen multitasking and time-sensitive calculations**

### Top Requests (What Users Want)
- **Home screen widget integration would allow for faster access to accurate time and date information**

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

**Core Strengths:**
- Specialized calculation engine provides high-precision utility for professional scheduling
- Analog widget drives daily home-screen visibility

**Critical Frictions:**
- Full-screen ads block visibility during split-screen usage
- Persistent crash reports during standard operations

**Growth Levers:**
- B2B distribution into academic institutions as a standard scheduling tool
- Wearable integration for quick-access time calculations

**Market Threats:**
- System-level calculator updates reducing the need for third-party tools
- Aggressive ad-monetization driving users to cleaner, free alternatives

<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app shifted to a freemium monetization model and faces new user friction from ad-placement and technical instability.

**Overall trend**: Mixed
**Compared at**: 2026-06-21

### High-impact changes
- **[Shifted] Freemium Monetization Implementation** (pricing) — Pricing model changed from free-only to freemium, with a $0.99 one-time purchase on iOS and ad-supported access on Android.
- **[Declined] Ad-Driven User Friction** (sentiment) — New complaint theme emerged regarding full-screen ads blocking split-screen usage, which was not previously reported.
- **[Added] Technical Instability** (swot) — Added 'Persistent crash reports during standard operations' as a new weakness in the SWOT analysis.

### Medium-impact changes
- **[Added] New Calculation and Widget Features** (features) — Added 'Time Travel Calculator' as a differentiator and 'Analog Clock Widget' as a standard feature.

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

- Shipped minor bug fixes on iOS
- Ships general Android performance improvements

> **Cadence:** 5 total versions · 0 majors in last 6 months · 98 days since last update

<!-- /section:momentum -->

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

Date & Time Calculator(9 in 1) is a market-leading business app that is free with in-app purchases.
With a 4.36/5 rating from 5.8K reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** The app provides high-utility calculation tools, but aggressive ad-monetization on Android is creating churn, so the PM should prioritize ad-placement audits to protect the user base.
<!-- speakable-end -->

**Best for:** Professionals and individuals requiring precise time, date, and duration calculations for work, study, or travel planning.

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

- [ ] [PIVOT] [HIGH IMPACT] Audit ad-placement logic because full-screen ads block split-screen usage → reduce churn — *Top complaint theme identifies ad-disruption as a primary friction point during multitasking.* _(trade-off: deprioritize Pause the widget-expansion sprint — ad-friction has a higher impact on current user retention.)_
- [ ] [MAINTAIN] [HIGH IMPACT] Ship stability hotfix because crash reports occur during standard operations → stabilize Android rating — *Sentiment analysis identifies technical instability as a key complaint theme.* _(trade-off: deprioritize Same-quarter capacity available — no major lever displaced.)_
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors

- Real-time graphing (available in @Calculator but absent here)
- System-level Control Center integration (available in Apple Calculator but absent here)
<!-- /section:feature-gaps -->

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

The utility-calculator market is consolidating around system-integrated tools, leaving third-party apps with high ad-friction exposed. Unless the team shifts from ad-heavy monetization to a more balanced model, they will continue to lose ground to cleaner, free alternatives.

- 🔴 Persistent crash reports during standard operations erode user trust, which compounds the rating drag already visible on Android.
- 🔴 Intrusive full-screen advertisements during split-screen usage drive users toward cleaner alternatives, accelerating churn pressure on the Android base.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.36/5 |
| Total Reviews | 5.8K |
| Sentiment | Excited (75/100) |
| Confidence | Low |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
| Trend | Mixed |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Date & Time Calculator(9 in 1)** (this app) | 4.36/5 | Excited | Thomas Tsopanakis |
| [Calculator!](https://marlvel.ai/intel-report/utilities/com-7thg-calculator) | 4.8/5 | Mixed | 7th Gear |
| [Calculator·](https://marlvel.ai/intel-report/utilities/calculator) | 4.9/5 | Mixed | Tim O's Studios, LLC |
| [Calculator #](https://marlvel.ai/intel-report/utilities/calculator-1) | 4.6/5 | Frustrated | Incpt.Mobis |
| [Calculator](https://marlvel.ai/intel-report/utilities/calculator-8) | 4.4/5 | N/A | Apple |
| [@Calculator](https://marlvel.ai/intel-report/education/calculator-9) | 4.4/5 | Mixed | Mikolaj Adamowicz |

## Company Profile
- **Developer:** Thomas Tsopanakis
- **Website:** [https://parse-lunar-23569793.figma.site](https://parse-lunar-23569793.figma.site)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/date-time-calculator-9-in-1/id536930649?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.gbsoft.datescalculator&hl=en&gl=us)
- **Dev Site:** [Official Website](https://parse-lunar-23569793.figma.site)
- **Sources:** Developer website content, About us / company information, App store metadata, User reviews.

## Related Intel Reports
- [*Calculator!*](https://marlvel.ai/intel-report/utilities/com-7thg-calculator) (7th Gear) — 4.8/5 Rating | Mixed Sentiment
- [*Calculator·*](https://marlvel.ai/intel-report/utilities/calculator) (Tim O's Studios, LLC) — 4.9/5 Rating | Mixed Sentiment
- [*Calculator #*](https://marlvel.ai/intel-report/utilities/calculator-1) (Incpt.Mobis) — 4.6/5 Rating | Negative Sentiment
- [*Calculator*](https://marlvel.ai/intel-report/utilities/calculator-8) (Apple) — 4.4/5 Rating | N/A Sentiment
- [*@Calculator*](https://marlvel.ai/intel-report/education/calculator-9) (Mikolaj Adamowicz) — 4.4/5 Rating | Mixed Sentiment
- [*Groupon Merchant*](https://marlvel.ai/intel-report/business/groupon-merchant) (Groupon, Inc.) — 3.0/5 Rating | Mixed Sentiment
- [*Hours Tracker - Salarybook*](https://marlvel.ai/intel-report/business/hours-tracker-salarybook) (Centriqo) — 4.5/5 Rating | N/A Sentiment
- [*Subnet Calc*](https://marlvel.ai/intel-report/business/subnet-calc) (Swipe Stack Ltd) — 4.8/5 Rating | N/A Sentiment
- [*Alloy Fleet+*](https://marlvel.ai/intel-report/business/alloy-fleet) (Cumberland Farms) — N/A Rating | N/A Sentiment
- [*Cisco Events App*](https://marlvel.ai/intel-report/business/cisco-events-app) (Cisco) — 4.3/5 Rating | N/A Sentiment

## Frequently Asked Questions {#faq}

### Is this app suitable for professional work scheduling?

Yes, the app includes specific tools for work-day calculations and time-difference tracking, which users report are effective for professional scheduling and flight-time planning.

### Does the app have intrusive advertisements?

Users report that the Android version includes full-screen advertisements that can disrupt split-screen multitasking and time-sensitive calculations.

### How does it compare to the built-in system calculator?

While the system calculator provides basic arithmetic and instant access, this app offers specialized date-time logic, such as work-day exclusion and time-zone conversion, which the system tool lacks.

### Are there free alternatives for date calculations?

Yes, there are various general-purpose calculator apps available, though few offer the same specialized date-time calculation engine found in this app.

## 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 and evidence quoting.
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:** 0.8/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 99
- **Data Sources:** user reviews, developer website, company about page, 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:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/business/date-time-calculator-9-in-1)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.