---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Lunar Watch moon calendar"
developer_entity: "Angela Hatcher"
bundle_id: "com.PortableBinary.LunarWatch"
app_store_id: "975314983"
category: "Weather"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2018-12-21"
report_date: "2026-05-21"
last_verified: "2026-05-21T00:00:00.000Z"
report_version: "1.5"
total_reviews: 88
overall_rating: 4.2
sentiment: "Mixed"
sentiment_score: 45
confidence: "low"
confidence_score: 0.6
top_praise_theme: "Clean and easy to read home page interface provides immediate lunar cycle information"
top_complaint_theme: "Post-update technical failures including app crashes and broken location search functionality"
review_sample_size: 35
total_review_count: 35
analyzed_review_count: 35
data_age_days: 98
momentum_velocity: "zombie"
intelligence_version: 3
nemesis: "My Moon Phase - Lunar Calendar"
competitor_count: 6
tags: ["weather", "free", "mixed sentiment", "mobile app", "app review", "app analysis", "users", "interested", "astronomy,"]
canonical_url: "https://marlvel.ai/apps/lunar-watch-moon-calendar"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Lunar Watch moon calendar Intelligence Report

## TL;DR {#tldr}

- **Category**: Weather · Free
- **Signal**: Rating 4.19 · Sentiment Mixed
- **Recent focus**: Post-update technical failures including app crashes and broken location search functionality (top complaint) · Clean and easy to read home page interface provides immediate lunar cycle information (top praise)

> **TL;DR:** Lunar Watch moon calendar is a weather app by Angela Hatcher, rated 4.19/5 by 88 users, with Mixed user sentiment (45/100), available on iOS.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Lunar Watch moon calendar shows Mixed sentiment (4.19/5 from 88 reviews) — users praise clean and easy to read home page interface provides immediate lunar cycle information but report issues with post-update technical failures including app crashes and broken location search functionality.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.19/5 (88 reviews) |
| **User Mood** | Mixed |
| **Category** | Weather |
| **Developer** | Angela Hatcher |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.6/1.0) |
| **Data Age** | 98d |

## Metadata & Market Performance
- **Publisher:** Angela Hatcher
- **Category:** Weather
- **Target Audience:** Users interested in astronomy, outdoor planning, or lunar cycles who require location-specific celestial data.
- **Platforms:** iOS
- **Version Reviewed:** 1.5
- **Report Date:** 2026-05-21
- **Signal Count:** 35 reviews analyzed
- **Confidence:** Low (0.6/1.0)
- **App Store ID (iOS):** 975314983
- **Bundle ID:** com.PortableBinary.LunarWatch
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-05-21

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Lunar Watch is a weather-category utility for iOS that provides location-specific lunar phase data and customizable visual themes.
**Why users hire it:** Users hire the app for quick, swipe-based access to celestial timing, allowing them to plan outdoor activities without navigating complex weather dashboards.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Date-based Lunar Navigation:** Swipe or tap to view lunar phase data for past or future dates
- **[Standard] Location-specific Lunar Data:** Calculates moonrise, moonset, and lunar illumination based on user-selected latitude and longitude
- **[Differentiator] Customizable Background Themes:** Presets and user-defined color gradients for the app interface
  * *User Intent:* Users value self-expression and personalized experiences.
<!-- /section:features -->

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

Lunar Watch competes in the weather utility space, currently holding niche chart positions across international markets despite a lack of updates since 2018. The absence of a monetization strategy and recent technical regressions leave it vulnerable to rivals with higher release cadences.
<!-- /section:market-position -->

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

<!-- section:sentiment -->
## 🟡 User Sentiment (Low Confidence: 35 of 35 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.19/5
- **Platform Split:** iOS 4.2/5 (88 ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **Clean and easy to read home page interface provides immediate lunar cycle information**

### Top Complaints (Impact Areas)

- **Post-update technical failures including app crashes and broken location search functionality**

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

**Core Strengths:**
- Minimalist UI design reduces cognitive load for quick checks
- Swipe-based navigation creates a fast, intuitive daily habit loop

**Growth Levers:**
- Integration of weather visibility forecasts would address a top user request
- Push notifications for lunar events could drive re-engagement


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

The app has shifted to a fully free model and is experiencing significant negative sentiment due to technical regressions and intrusive advertising.

**Overall trend**: Declining
**Compared at**: 2026-05-21

### High-impact changes
- **[Shifted] Pricing Model Transition** (pricing)
- **[Declined] Technical Stability Regression** (sentiment)

### Medium-impact changes
- **[Improved] Theme Customization Repositioning** (features)
- **[Added] New Weakness: Ad-Driven Churn** (swot)

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Lunar Watch moon calendar vs My Moon Phase - Lunar Calendar
- **[My Moon Phase - Lunar Calendar](https://marlvel.ai/apps/com-jrustonapps-my-moon-phase)** by JRustonApps B.V.: Dominates the specific lunar calendar niche with massive scale and a high-velocity release cadence that keeps the product at the top of search results.
  - **Key differences:**
    - Maintains a high-velocity release cycle with 13 updates in six months to ensure platform stability
    - Provides specialized lunar data sets that go beyond simple visual representations found in basic apps
    - Leverages massive review volume to maintain top-tier search visibility within the weather category

### Contenders (Strong Challengers)
- **[The Moon: Calendar Moon Phases](https://marlvel.ai/apps/com-gv-apps-mooncalendar)** by Vitalii Gryniuk: A direct niche competitor with a massive user base and a long-standing presence in the lunar tracking space.
  - Focuses exclusively on calendar-based lunar phase visualization rather than general weather forecasting
  - Maintains a mature, stable feature set that has built significant long-term user trust
- **[MOON - Current Moon Phase](https://marlvel.ai/apps/com-robotdestroy-moon)** by MOON CALENDAR: A highly specialized niche app that competes directly on the core 'moon phase' value proposition.
  - Provides a singular, focused utility that avoids the bloat of multi-purpose weather applications
  - Offers a distinct visual identity centered entirely on the current lunar state

### Peers (What They Do Better)
- **[Tides Near Me](https://marlvel.ai/apps/me-tidesnear-free)** by Shelter Island Mapping Company, LLC: Adjacent niche app focusing on maritime data, sharing the same target audience interested in natural cycles.
  - Integrates hyper-local tide data which serves as a natural complement to lunar phase tracking
  - Utilizes a high-frequency update cadence to maintain accuracy for maritime navigation users
- **[Windy.app — Wind, Tides, Radar](https://marlvel.ai/apps/co-windyapp-windy)** by Windy Weather World Inc: Broad-spectrum weather app that captures the same outdoor-enthusiast demographic as lunar trackers.
  - Offers professional-grade meteorological data layers that dwarf simple lunar calendar functionality
  - Provides a complex, data-dense interface designed for outdoor professionals and extreme sports enthusiasts
- **[CARROT Weather: Alerts & Radar](https://marlvel.ai/apps/com-grailr-carrotweather)** by Grailr LLC: Competes for the same screen time by offering a unique, personality-driven weather experience.
  - Uses a distinct, sarcastic personality-driven UX to differentiate from standard utility-focused weather apps
  - Provides highly customizable data complications and widgets that outperform basic lunar calendar integrations

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

- Fixed location search functionality.
- Minor performance improvements.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 2681 days since last update

<!-- /section:momentum -->

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

Lunar Watch moon calendar is an established weather app that is completely free.
It holds a 4.19/5 rating from 88 reviews.

<!-- speakable-start -->
> **Bottom Line:** Lunar Watch provides a clean, minimalist utility that users value, but the lack of maintenance and broken location features are destroying trust, so the PM must prioritize stability over new features to prevent further churn.
<!-- speakable-end -->

**Best for:** Users interested in astronomy, outdoor planning, or lunar cycles who require location-specific celestial data.

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

- [ ] [INVEST] Rebuild location search functionality because it is the primary source of negative sentiment → restore core utility
<!-- /section:pm-actions -->

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


- High-frequency update cadence (available in My Moon Phase but missing here)
<!-- /section:feature-gaps -->

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

The lunar calendar market is consolidating around apps that offer high-frequency updates and deep data sets, leaving Lunar Watch in a precarious position. Without a shift to a modern maintenance cadence, the app will continue to lose ground to rivals that offer superior reliability and feature depth.

- 🔴 Post-update crashes and broken location search features are currently overshadowing the core value proposition, leading to a decline in user trust.
- 🔴 The lack of meaningful updates since 2018 leaves the app exposed to high-velocity rivals who are capturing the power-user demographic.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.19/5 |
| Total Reviews | 88 |
| Sentiment | Mixed (45/100) |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Lunar Watch moon calendar** (this app) | 4.19/5 | Mixed | Angela Hatcher |
| [My Moon Phase - Lunar Calendar](https://marlvel.ai/apps/com-jrustonapps-my-moon-phase) | 4.9/5 | Thrilled | JRustonApps B.V. |
| [The Moon: Calendar Moon Phases](https://marlvel.ai/apps/com-gv-apps-mooncalendar) | 4.8/5 | N/A | Vitalii Gryniuk |
| [CARROT Weather: Alerts & Radar](https://marlvel.ai/apps/com-grailr-carrotweather) | 4.7/5 | N/A | Grailr LLC |
| [Windy.app — Wind, Tides, Radar](https://marlvel.ai/apps/co-windyapp-windy) | 4.7/5 | N/A | Windy Weather World Inc |
| [MOON - Current Moon Phase](https://marlvel.ai/apps/com-robotdestroy-moon) | 4.8/5 | N/A | MOON CALENDAR |

## Company Profile
- **Developer:** Angela Hatcher
- **Website:** [https://www.portablebinary.com](https://www.portablebinary.com)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/lunar-watch-moon-calendar/id975314983?uo=4)
- **Dev Site:** [Official Website](https://www.portablebinary.com)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*My Moon Phase - Lunar Calendar*](https://marlvel.ai/apps/com-jrustonapps-my-moon-phase) (JRustonApps B.V.) · 4.9/5 Rating | Excellent Sentiment
- [*The Moon: Calendar Moon Phases*](https://marlvel.ai/apps/com-gv-apps-mooncalendar) (Vitalii Gryniuk) · 4.8/5 Rating
- [*CARROT Weather: Alerts & Radar*](https://marlvel.ai/apps/com-grailr-carrotweather) (Grailr LLC) · 4.7/5 Rating
- [*Windy.app — Wind, Tides, Radar*](https://marlvel.ai/apps/co-windyapp-windy) (Windy Weather World Inc) · 4.7/5 Rating
- [*MOON - Current Moon Phase*](https://marlvel.ai/apps/com-robotdestroy-moon) (MOON CALENDAR) · 4.8/5 Rating
- [*Tides Near Me*](https://marlvel.ai/apps/me-tidesnear-free) (Shelter Island Mapping Company, LLC) · 4.8/5 Rating
- [*KBZK Montana Weather*](https://marlvel.ai/apps/kbzk-montana-weather) (E.W. Scripps Company) · 4.1/5 Rating
- [*NightFrost*](https://marlvel.ai/apps/com-maetsch-nachtfrost) (Heiko Matthias Maetsch) · 1.0/5 Rating
- [*National Weather Forecast - NWS Local Forecasts on your TV!*](https://marlvel.ai/apps/national-weather-forecast-nws-local-forecasts-on-y) (MyndArc, LLC) · N/A Rating
- [*14 days Weather*](https://marlvel.ai/apps/14-days-weather) (Tasmanic Editions) · 4.5/5 Rating

## 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:** 0.6/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 35
- **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:** 98 days since last refresh

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