---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Work Week Calculator"
developer_entity: "TarsierTech"
bundle_id: "com.bill-davis.WorkWeekCalc"
app_store_id: "414151002"
category: "Business"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2022-05-07"
report_date: "2026-09-07"
last_verified: "2026-09-07T00:00:00.000Z"
report_version: "1.3.1"
total_reviews: 3
overall_rating: 4.3
sentiment: "Mixed"
sentiment_score: 55
confidence: "medium"
confidence_score: 0.4
top_praise_theme: "The simple and focused design allows users to track work weeks without unnecessary complexity"
top_complaint_theme: "The calculation logic fails to account for weeks starting on January first when that day stands alone"
review_sample_size: 4
total_review_count: 4
analyzed_review_count: 4
data_age_days: 68
momentum_velocity: "zombie"
intelligence_version: 3
tags: ["business", "free", "mixed sentiment", "mobile app", "app review", "app analysis", "professionals", "planners", "manage"]
canonical_url: "https://marlvel.ai/apps/work-week-calculator"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Work Week Calculator Intelligence Report

## TL;DR {#tldr}

- **Category**: Business · Free
- **Signal**: Rating 4.33 · Sentiment Mixed
- **Recent focus**: The calculation logic fails to account for weeks starting on January first when that day stands alone (top complaint) · The simple and focused design allows users to track work weeks without unnecessary complexity (top praise)

> **TL;DR:** Work Week Calculator is a business app by TarsierTech, rated 4.33/5 by 3 users, with Mixed user sentiment (55/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Work Week Calculator shows Mixed sentiment (4.33/5 from 3 reviews) - users praise the simple and focused design allows users to track work weeks without unnecessary complexity but report issues with the calculation logic fails to account for weeks starting on january first when that day stands alone.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.33/5 (3 reviews) |
| **User Mood** | Mixed |
| **Category** | Business |
| **Developer** | TarsierTech |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Medium (0.4/1.0) |
| **Data Age** | 68d |

## Metadata & Market Performance
- **Publisher:** TarsierTech
- **Category:** Business
- **Target Audience:** Professionals and planners who manage project timelines, forecasts, or business schedules based on work week numbering.
- **Platforms:** iOS
- **Version Reviewed:** 1.3.1
- **Report Date:** 2026-09-07
- **Signal Count:** 4 reviews analyzed
- **Confidence:** Medium (0.4/1.0)
- **App Store ID (iOS):** 414151002
- **Bundle ID:** com.bill-davis.WorkWeekCalc
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-09-07

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Work Week Calculator is a utility for professionals to convert between calendar dates and work week numbers on iOS.
**Why users hire it:** It removes the cognitive friction of manually calculating fiscal or project weeks, which standard calendar apps often display inconsistently.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Work Week Conversion:** Calculates work week numbers from specific calendar dates and vice versa.
- **[Differentiator] App Icon Badge:** Displays the current work week number directly on the home screen icon without launching the app.
<!-- /section:features -->

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

Work Week Calculator occupies a niche utility space for business professionals. With a 4.33 rating across a small sample of reviews, the app relies on its icon badge utility to maintain relevance despite a four-year development hiatus [1, 2].
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free
- **Analysis:** The application is distributed as a free utility with no visible IAP or subscription gates.

<!-- section:sentiment -->
## 🟡 User Sentiment (Medium Confidence: 4 of 4 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.33/5
- **Platform Split:** iOS 4.3/5 (3 ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **The simple and focused design allows users to track work weeks without unnecessary complexity**
- **Responsive developer support resolves user issues quickly when they encounter functional roadblocks**

### Top Complaints (Impact Areas)

- **The calculation logic fails to account for weeks starting on January first when that day stands alone**

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

**Core Strengths:**
- Home screen icon badge provides immediate, zero-launch utility

**Growth Levers:**
- Add settings toggle to align with ISO vs US fiscal standards


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

The outlook has shifted to declining as the four-year development silence is now categorized as a terminal risk to the app's primary icon-badge utility. The analysis now prioritizes the threat of OS-level obsolescence over previous concerns regarding data synchronization.

**Overall trend**: Declining
**Compared at**: 2026-09-07

### High-impact changes
- **[Added] OS-level obsolescence threat** (swot)
- **[Shifted] Outlook trend downgrade** (positioning)

### Medium-impact changes
- **[Added] ISO vs US fiscal standards opportunity** (swot)

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

- **Latest (v1.3.1, 4 years ago):** Added support for watchOS 8.5 and iOS 15.4.1 to the watchOS companion app.
<!-- /section:whats-new -->

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

- No feature updates for 4 years.
- Maintenance-mode status since May 2022.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 1583 days since last update

<!-- /section:momentum -->

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

Work Week Calculator is a business app that is completely free.
It holds a 4.33/5 rating from 3 reviews.

<!-- speakable-start -->
> **Bottom Line:** The app's utility rests entirely on the home screen icon badge, but the persistent calculation error against standard platforms limits its reliability. Addressing the logic discrepancy is the only way to prevent the app from becoming obsolete for professional planners.
<!-- speakable-end -->

**Best for:** Professionals and planners who manage project timelines, forecasts, or business schedules based on work week numbering.

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

- [ ] [MAINTAIN] Audit calculation logic because users report a one-week discrepancy against major calendar platforms → restore utility accuracy
<!-- /section:pm-actions -->

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

The market for specialized calendar utilities is consolidating around platforms that offer seamless integration with standard tools like Outlook and iCal. Work Week Calculator remains exposed due to its calculation discrepancy and lack of active maintenance, which will likely lead to increased churn as users migrate to more accurate, updated alternatives.

- 🔴 The four-year development hiatus prevents the app from addressing calculation discrepancies, which erodes user trust in the app's core utility.
- 🔴 Lack of developer contact channels prevents the collection of actionable bug reports, leaving the app in a state of permanent, unaddressed functional drift.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.33/5 |
| Total Reviews | 3 |
| Sentiment | Mixed (55/100) |
| Confidence | Medium |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Work Week Calculator** (this app) | 4.33/5 | Mixed | TarsierTech |
| [Groupon Merchant](https://marlvel.ai/apps/groupon-merchant) | 3.0/5 | n/a | Groupon, Inc. |
| [긱톡 - 재택부업, 프리랜서, 단기알바 정보 플랫폼](https://marlvel.ai/apps/com-gigtalk-gigtalk) | 4.5/5 | N/A | Nextstep Inc. |
| [두란노](https://marlvel.ai/apps/app--971) | N/A/5 | N/A | Duranno |
| [쿠펀치](https://marlvel.ai/apps/coupang-app-coupunch) | 1.0/5 | N/A | Coupang Corp. |
| [아지트 - 함께 소통하는 업무용 커뮤니티](https://marlvel.ai/apps/app--797) | 3.0/5 | N/A | Kakao Corp. |

## Company Profile
- **Developer:** TarsierTech
- **Website:** App Store

## Data Sources & Links
- **App Store ID:** 414151002
- **Dev Site:** Official Website
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*Groupon Merchant*](https://marlvel.ai/apps/groupon-merchant) (Groupon, Inc.) · 3.0/5 Rating
- [*긱톡 - 재택부업, 프리랜서, 단기알바 정보 플랫폼*](https://marlvel.ai/apps/com-gigtalk-gigtalk) (Nextstep Inc.) · 4.5/5 Rating
- [*두란노*](https://marlvel.ai/apps/app--971) (Duranno) · N/A Rating
- [*쿠펀치*](https://marlvel.ai/apps/coupang-app-coupunch) (Coupang Corp.) · 1.0/5 Rating
- [*아지트 - 함께 소통하는 업무용 커뮤니티*](https://marlvel.ai/apps/app--797) (Kakao Corp.) · 3.0/5 Rating
- [*シフオプ*](https://marlvel.ai/apps/shift-management-service-to-support-optimal-placem) (Recruit Co.,Ltd.) · N/A Rating
- [*아임히어 - 모바일 출결 관리 앱*](https://marlvel.ai/apps/com-imhere-client-student) (LFin) · 2.9/5 Rating
- [*카매니저 - 중고차 딜러전용 전국 매물공유 플랫폼*](https://marlvel.ai/apps/kr-co-autocafe-carmanager) (atonmobility appmaster) · 3.0/5 Rating
- [*금호고속 셔틀*](https://marlvel.ai/apps/kr-co-kumhobuslines-shuttle-route-passengernew) (kumhoexpress) · 2.1/5 Rating
- [*쿠팡이츠 배달 파트너*](https://marlvel.ai/apps/coupang-eats-delivery) (Coupang Corp.) · 2.6/5 Rating

## Frequently Asked Questions {#faq}

### Is Work Week Calculator accurate for all work week standards?

Users report a persistent one-week discrepancy compared to major calendar platforms like Outlook and iCal, suggesting it may not align with all standard work week definitions.

### Does Work Week Calculator require opening the app to check the date?

No, the app includes a home screen icon badge that displays the current work week number without requiring the user to launch the application.

### How can I contact the developer for support?

Reviewers currently report frustration due to the absence of accessible contact channels or support links within the application.

## 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:** 0.4/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 4
- **Data Sources:** user reviews, developer website, 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:** 68 days since last refresh

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