---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Moon Phase Calendar"
developer_entity: "probadoSoft"
bundle_id: "com.probadosoft.moonphasecalendar"
category: "Weather"
primary_platform: "android"
primary_monetization: "Free"
offline_capable: true
market_region: "US"
platforms: "Android"
app_last_updated: "2026-01-01"
report_date: "2026-08-10"
last_verified: "2026-08-10T00:00:00.000Z"
report_version: "1.60"
total_reviews: 62581
overall_rating: 4.8
sentiment: "Thrilled"
sentiment_score: 85
confidence: "high"
confidence_score: 0.7
top_praise_theme: "Detailed lunar phase information and real-time visual data provide high utility for astrology enthusiasts"
top_complaint_theme: "Excessive push notification frequency for minor lunar changes creates a disruptive user experience"
review_sample_size: 50
total_review_count: 50
analyzed_review_count: 50
data_age_days: 6
momentum_velocity: "maintenance"
intelligence_version: 3
tags: ["weather", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "amateur", "astronomers,", "outdoor"]
canonical_url: "https://marlvel.ai/apps/moon-phase-calendar"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Moon Phase Calendar Intelligence Report

## TL;DR {#tldr}

- **Category**: Weather · Free
- **Signal**: Rating 4.81 · Sentiment Thrilled
- **Recent focus**: Excessive push notification frequency for minor lunar changes creates a disruptive user experience (top complaint) · Detailed lunar phase information and real-time visual data provide high utility for astrology enthusiasts (top praise)

> **TL;DR:** Moon Phase Calendar is a weather app by probadoSoft, rated 4.81/5 by 62.6K users, with Thrilled user sentiment (85/100), available on Android.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Moon Phase Calendar maintains Thrilled user sentiment (4.81/5 from 62.6K reviews), with users consistently praising detailed lunar phase information and real-time visual data provide high utility for astrology enthusiasts.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.81/5 (62.6K reviews) |
| **User Mood** | Thrilled |
| **Category** | Weather |
| **Developer** | probadoSoft |
| **Pricing** | Free |
| **Platforms** | Android |
| **Confidence** | High (0.7/1.0) |
| **Data Age** | 6d |

## Metadata & Market Performance
- **Publisher:** probadoSoft
- **Category:** Weather
- **Target Audience:** Amateur astronomers, outdoor photographers, and individuals interested in lunar cycles for event planning.
- **Platforms:** Android
- **Version Reviewed:** 1.60
- **Report Date:** 2026-08-10
- **Signal Count:** 50 reviews analyzed
- **Confidence:** High (0.7/1.0)
- **Google Play ID:** com.probadosoft.moonphasecalendar
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-08-10
- **Short Description:** An advanced lunar calendar with notifications and widget - offline!

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Moon Phase Calendar is a weather-category utility for amateur astronomers and photographers that tracks lunar and solar data on iOS and Android.
**Why users hire it:** Users hire the app for offline-accessible astronomical planning, allowing them to coordinate photography or events with specific lunar phases without needing a data connection.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Lunar and Solar Parameter Tracking:** Displays over 15 lunar and 10 solar parameters for any location, boosting session frequency for hobbyists and expanding ad-impression inventory.
  * *User Intent:* Users want to accelerate progress or gain temporary advantages.
- **[Differentiator] Offline Functionality:** Calculates data locally without internet, reducing server-side infrastructure costs while maintaining utility for outdoor users.
  * *User Intent:* Users want uninterrupted access without internet dependency.
- **[Differentiator] Compass Visualization:** Uses device sensors to show Sun and Moon paths, providing high-utility planning for photographers and driving repeat engagement.
  * *User Intent:* Users seek enhanced value through premium features.
<!-- /section:features -->

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

The app holds the #78 Free position in the US Weather category. Its ability to maintain a top-100 slot across multiple international markets signals strong organic discovery despite a 7-month update cadence.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free with ad-supported access
- **Analysis:** The app operates on an ad-supported model with no IAP or subscription gates, relying on high-volume user traffic for monetization.

<!-- section:sentiment -->
## 🟢 User Sentiment (High Confidence: 50 of 50 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.81/5
- **Platform Split:** Android 4.8/5 (62.6K ratings)
- **Overall Sentiment:** Thrilled

### Top Praises
- **Detailed lunar phase information and real-time visual data provide high utility for astrology enthusiasts**
- **Simple and reliable interface design keeps the app accessible for daily use over many years**
- **Customizable widget and notification settings allow users to track specific lunar events effectively**

### Top Complaints (Impact Areas)

- **Excessive push notification frequency for minor lunar changes creates a disruptive user experience**

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

**Core Strengths:**
- Offline-first architecture eliminates server-side dependency for core astronomical calculations
- Compass-based sensor integration provides a specialized utility for photographers that generic weather apps lack

**Growth Levers:**
- Developing a compass-specific home screen widget could improve accessibility for the photography segment


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

The core product remains unchanged, but the analytical interpretation of the app's maintenance-mode status has shifted from a negative risk to a sign of utility completion.

**Overall trend**: Stable
**Compared at**: 2026-08-10

### High-impact changes
- **[Shifted] Contrarian perspective on update cadence** (positioning)

### Medium-impact changes
- **[Shifted] SWOT categorization** (swot)
- **[Improved] Market rank inclusion** (positioning)

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

- **Latest (v1.60, 7 months ago):** Added advanced alarm clock, auto-location, compass rotation, and calendar/notification customization. Includes 12h time format support and new language translations.
<!-- /section:whats-new -->

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

- Shipped advanced alarm clock feature.
- Ships ~2 releases per year.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 221 days since last update

<!-- /section:momentum -->

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

Moon Phase Calendar is a market-leading weather app that is completely free.
With a 4.81/5 rating from 62.6K reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** Moon Phase Calendar wins on offline utility and specialized astronomical data, but the lack of monetization gates and notification friction limits its long-term value, so the team should prioritize notification-logic controls to stabilize the user base.
<!-- speakable-end -->

**Best for:** Amateur astronomers, outdoor photographers, and individuals interested in lunar cycles for event planning.

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

- [ ] [PIVOT] Tighten notification settings to allow user-defined thresholds because high-frequency alerts are the #1 complaint theme → reduce churn
<!-- /section:pm-actions -->

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

The casual weather-utility market is consolidating around apps that balance high-utility data with non-intrusive engagement loops. Moon Phase Calendar remains advantaged by its offline-first design, but the current notification friction threatens to erode the long-term retention that sustains its chart position.

- 🔴 Excessive notification frequency in the latest release creates a churn risk that outweighs the utility of new features like the alarm clock.
- 🟢 The offline-first architecture continues to drive organic installs in the Weather category, maintaining a top-100 chart position across multiple regions.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.81/5 |
| Total Reviews | 62.6K |
| Sentiment | Thrilled (85/100) |
| Confidence | High |
| Pricing Model | Free |
| Platforms | Android |
| Key Features | 3 analyzed |
| Trend | Stable |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Moon Phase Calendar** (this app) | 4.81/5 | Thrilled | probadoSoft |
| [Bauernkalender](https://marlvel.ai/apps/ch-swift-bauernkalender) | N/A/5 | N/A | Swift Management AG |
| [Forecast & What to Wear](https://marlvel.ai/apps/com-appsforparents-weatherforkids) | 4.2/5 | N/A | Natalia Jakubczyk-Gajewska |
| [Weather&Clothes](https://marlvel.ai/apps/com-air-weather_and_clothes) | 2.7/5 | N/A | fk.system |
| [처음날씨 - 잠금화면 및 알람으로 오늘의 날씨를!](https://marlvel.ai/apps/com-woozuda-weather) | 4.2/5 | N/A | WOOZUDA |
| [미세미세 - 미세먼지, 초미세먼지, 날씨](https://marlvel.ai/apps/cheehoon-ha-particulateforecaster-particulateforecaster) | 4.8/5 | Excited | LifeOverflow Inc. |

## Company Profile
- **Developer:** probadoSoft
- **Website:** [https://probadosoft.com](https://probadosoft.com)

## Data Sources & Links
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.probadosoft.moonphasecalendar&hl=en&gl=us)
- **Dev Site:** [Official Website](https://probadosoft.com)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*Bauernkalender*](https://marlvel.ai/apps/ch-swift-bauernkalender) (Swift Management AG) · N/A Rating
- [*Forecast & What to Wear*](https://marlvel.ai/apps/com-appsforparents-weatherforkids) (Natalia Jakubczyk-Gajewska) · 4.2/5 Rating
- [*Weather&Clothes*](https://marlvel.ai/apps/com-air-weather_and_clothes) (fk.system) · 2.7/5 Rating
- [*처음날씨 - 잠금화면 및 알람으로 오늘의 날씨를!*](https://marlvel.ai/apps/com-woozuda-weather) (WOOZUDA) · 4.2/5 Rating
- [*미세미세 - 미세먼지, 초미세먼지, 날씨*](https://marlvel.ai/apps/cheehoon-ha-particulateforecaster-particulateforecaster) (LifeOverflow Inc.) · 4.8/5 Rating | Positive Sentiment
- [*너의날씨: 미세먼지, 지도, 레이더, 캐릭터, 위젯*](https://marlvel.ai/apps/kr-guzi-yourweather) (구지랩(GuziLab)) · 5.0/5 Rating
- [*ชายฝั่ง รู้ทันระดับน้ำ*](https://marlvel.ai/apps/hii-pttep-chaifang-mobile) (Hydro Informatics Institute) · 4.9/5 Rating
- [*ภัยพิบัติไทย*](https://marlvel.ai/apps/biz-harmoniz-earthquake_alert_thai) (Harmoniz InterSoftware) · N/A Rating
- [*13abc First Alert Weather*](https://marlvel.ai/apps/com-gray-wtvg-13abc-weather) (Gray Television Group, Inc.) · 4.6/5 Rating
- [*13WarnMe*](https://marlvel.ai/apps/13warnme) (Local TV LLC) · 3.0/5 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:** 0.7/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 50
- **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:** 6 days since last refresh

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