Report updated Jun 17, 2026
Flat Earth Sun, Moon & Zodiac
For individuals interested in geocentric celestial models, flat earth theory, and community-based social networking.
Flat Earth Sun, Moon & Zodiac is an established utilities app that is available. With a 4.5/5 rating from 11.9K reviews, it shows polarized user reception. Users particularly appreciate educational content regarding alternative earth models provides unique perspectives for curious users, though security vulnerabilities regarding unencrypted user data storage create significant privacy concerns remains a common concern.
What is Flat Earth Sun, Moon & Zodiac?
Flat Earth Sun, Moon & Zodiac is a geocentric celestial tracking utility for iOS and Android that provides AE map visualizations and community networking features.
Users hire this app to access alternative celestial models and connect with like-minded community members in a space free from mainstream content filtering.
Current Momentum
v6.7 · 1w ago
Intense- Updated Google Maps integration.
- Applied 24-hour time format.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Visualizes sun, moon, and zodiac positions on an Azimuthal Equidistant map.
Global messaging and voice/video calling.
Access to an archive of alternative educational content.
How much does it cost?
- Free basic tracking
- $10.99/year all-inclusive premium
Monetization relies on a single annual subscription gate to unlock social and advanced data features.
Who Built It?
Providing alternative celestial tracking tools and community networking for users interested in non-mainstream cosmological models.
Portfolio
2
Apps
What other apps does Blue Water Bay make?
Flat Earth Sun & Moon Clock
Explore the full Blue Water Bay report
Portfolio breakdown, audience, momentum, and every app published by Blue Water Bay.
What do users think recently?
Low confidence · 49 reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate educational content regarding alternative earth models provides unique perspectives for curious users, but report security vulnerabilities regarding unencrypted user data storage create significant privacy concerns.
Limited review volume (49 reviews). Sentiment analysis will deepen as more data lands.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Flat Earth Sun, Moon & Zodiac?
Where is it available?
Localized markets (1)
How's The Utilities Market?
How does it evolve in the Utilities market?
The app maintains a presence in the Utilities category, with its paid rank fluctuating between #10 and #99 across various international markets. The disparity between its high rating and the recurring security complaints suggests a polarized user base where niche utility outweighs privacy concerns.
Rank progression
65 active rankings tracked — 30-day window
Which niche is Flat Earth Sun, Moon & Zodiac in?
to connect with like-minded community members
Explore the full Astronomy Communitys niche
Every app in this space — 1 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
Dominates the astronomy category with a massive user base and high-fidelity celestial rendering that dwarfs niche geocentric tools.
Differentiators
- Provides high-fidelity 3D rendering of the entire night sky, far exceeding the target's static AE map.
- Maintains a massive, active community-driven database of celestial objects that provides superior long-term user retention.
- Offers advanced sensor-based AR integration that allows users to identify stars by pointing their device at the sky.
Contenders(2)
A long-standing contender in the sky-tracking space that captures the casual user segment through accessible AR features.
Differentiators
- Utilizes camera-based AR to overlay star maps onto the real world, providing immediate utility for casual stargazers.
- Offers a simplified, low-friction interface that requires zero astronomical knowledge, contrasting with the target's specific geocentric focus.
- Provides a 'Lite' entry point that effectively funnels users into a broader ecosystem of premium astronomical tools.
A direct competitor in the sky-tracking space that leverages superior visual aesthetics and frequent feature updates.
Differentiators
- Features a highly polished, artistic UI that prioritizes visual immersion over the target's utilitarian geocentric presentation.
- Ships frequent updates including seasonal sky events and astronomical news, maintaining higher engagement than the target's static toolset.
- Includes a comprehensive library of educational content about constellations and planets, positioning it as a learning platform.
Same space(4)
Adjacent category that overlaps with users interested in celestial movements and their perceived impact on daily life.
Differentiators
- Delivers daily personalized content based on zodiac positions, creating a daily habit loop absent in the target app.
- Focuses on lifestyle and personality insights rather than the scientific or conceptual mapping of the sky.
Adjacent utility that focuses on lunar cycles and weather, capturing users interested in the moon's influence.
Differentiators
- Combines lunar cycle tracking with local weather forecasts, providing a broader utility set than the target's niche focus.
- Uses a calendar-centric UI that simplifies long-term planning for lunar events compared to the target's real-time clock.
A specialized tool for sun and moon tracking that prioritizes data accuracy for outdoor professionals.
Differentiators
- Focuses on map-based visualization of light and shadow, catering to photographers rather than the target's conceptual audience.
- Offers a desktop-to-mobile workflow that allows users to plan complex shoots across multiple devices seamlessly.
Targets the same sun/moon tracking utility but focuses on professional photography planning rather than geocentric theory.
Differentiators
- Integrates advanced augmented reality for planning precise sun and moon alignments for professional landscape photography.
- Provides complex calculation tools for depth of field and exposure, serving a high-value prosumer audience.
New entrants(1)
Aggressive release cadence and high-end feature integration make it a significant emerging threat in the sky-tracking space.
Differentiators
- Integrates deep Apple ecosystem features like Siri Shortcuts and widget support to maintain constant user presence.
- Shipped multiple AI-driven sky identification updates recently, significantly outpacing the target's development velocity.
Compare Flat Earth Sun, Moon & Zodiac against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Flat Earth Sun, Moon & Zodiac
Strengths to defend, gaps to attack
Core Strengths
- Niche community hub for alternative celestial models
- Direct developer engagement with power users
Critical Frictions
- Unencrypted user data storage
- Broken subscription validation logic
Growth Levers
- Untapped B2B educational content partnerships
- Wearable integration for celestial tracking
Market Threats
- Stellarium's high-fidelity 3D rendering dominance
- Tightening data privacy regulations
What are the next best moves?
Audit user data storage encryption because reports of unencrypted passwords/location data create churn risk → restore user trust
Security vulnerability is the top-cited complaint theme in user sentiment analysis.
Trade-off: Pause the Meetup Maker feature expansion — security hygiene is a prerequisite for community retention.
Fix subscription validation logic because users report paid features failing to unlock → reduce refund surge
Technical instability post-payment is a primary driver of negative sentiment.
Trade-off: Deprioritize the video search UI refresh — payment reliability is a higher revenue lever.
A counter-intuitive read
The app's technical instability is not a bug but a symptom of a community that prioritizes ideological alignment over standard utility, meaning security fixes may be less critical than content expansion.
Feature Gaps vs Competitors
- High-fidelity 3D rendering (available in Stellarium Mobile)
- AR sky identification (available in SkyView Lite)
Key Takeaways
The app captures a loyal niche through its unique geocentric focus, but severe security and subscription failures threaten its viability, so the PM must prioritize data encryption and payment validation to prevent mass churn.
Where Is It Heading?
Mixed Signals
The geocentric utility market is consolidating around niche community hubs, and this app's ability to retain its base depends on resolving critical security and payment failures. If the developer fails to address these technical gaps, the community will likely migrate to more stable, albeit mainstream, astronomical tools.
Unencrypted data storage reports erode trust, which will likely accelerate churn among privacy-conscious users in the coming quarter.
Responsive developer engagement fosters a core group of long-term subscribers who provide a stable revenue floor for the app.