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Flat Earth Sun, Moon & Zodiac vs its rivals

Side-by-side comparison against Flat Earth Sun, Moon & Zodiac's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Flat Earth Sun, Moon & Zodiac
This App
Stellarium Mobile - Star Map
Nemesis
SkyView® Lite
Contender
Star Walk 2 Pro: Sky Map Live
Contender
Horoscopes
Peer
Moon Phase Calendar
Peer
The Photographer's Ephemeris
Peer
PhotoPills
Peer
Night Sky
New Kid
Core Identity
DeveloperBlue Water BayNoctua Software LtdTerminal Eleven LLCVito Technology Inc.DailyHoroscopes.netCoocentCrookneck Consulting LLCPhotoPills S.L.iCandi Apps Ltd.
CategoryUtilitiesEducationEducationEducationLifestyleWeatherPhoto & VideoPhoto & VideoReference
PlatformAndroid, iOSiOS, AndroidiOS, AndroidiOS, AndroidiOS, AndroidAndroid, iOSiOS, AndroidiOSAndroid, iOS
Store Metrics
Rating4.7 / 54.8 / 54.5 / 54.7 / 54.7 / 54.8 / 54.7 / 54.7 / 54.7 / 5
Ratings Count2,13535,79018,67666,6443,78328,8571,5321,500483,204
PriceUSD2.99FreeFree$2.99FreeFree$9.99$10.99Free
Release DateNov 14, 2018Apr 7, 2019Mar 4, 2011Aug 21, 2014Apr 15, 2009Jul 17, 2013Apr 17, 2010Mar 21, 2013Nov 1, 2011
Last UpdatedApr 8, 2026Feb 22, 2026Sep 23, 2025May 12, 2026Mar 26, 2026Mar 29, 2026Mar 20, 2026Apr 16, 2026May 4, 2026
Sentiment & Reviews
Sentimentmixed-mixedmixed---mixednegative
Score35/100-55/10065/100---65/10035/100
Praises
  • Educational content regarding alternative earth models provides unique perspectives for curious users
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  • Augmented reality features provide an accessible way for beginners to identify stars and planets
  • Educational depth regarding astronomical objects provides significant value for novice stargazers and hobbyists
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  • Comprehensive planning tools for sun and moon photography provide significant value for landscape photographers
  • Educational value regarding constellations and planetary positions keeps casual stargazers engaged during evening sessions
Complaints
  • Security vulnerabilities regarding unencrypted user data storage create significant privacy concerns
-
  • Inaccurate celestial positioning and compass drift cause frustration during stargazing sessions
  • Inaccurate sky tracking and compass calibration issues prevent reliable identification of celestial objects
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  • Steep learning curve and complex interface design overwhelm casual users who lack technical photography knowledge
  • Aggressive subscription prompts and paywalls for basic discovery features frustrate long-term users post-update
Requests
  • Improved search functionality for video content to help users navigate the library
-
  • Improved offline functionality to ensure accurate star mapping without constant internet reliance
  • Weather forecast integration for stargazing would provide practical utility for planning observation sessions
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  • Improved search functionality for specific landmarks to avoid manual map navigation and pin dropping
  • Option to disable background music independently of system volume for a silent stargazing experience
Strategic Intel
Strengths
  • Niche community hub for alternative celestial models
  • Direct developer engagement with power users
  • Scientific accuracy derived from open-source heritage sustains high user trust
  • Telescope control protocols create high switching costs for hobbyists
  • Minimalist UI reduces cognitive load for casual stargazers
  • Offline functionality reduces switching costs for outdoor segments
  • AR interface lowers the barrier to entry for casual users
  • AR-driven interface lowers the barrier to entry for casual users
  • 3D model depth functions as a brand moat for educational utility
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  • Educational content ecosystem translates planning data into legendary photographic results
  • All-in-one utility consolidates multiple single-purpose calculators into one interface
  • AR-first UX leverages LiDAR for unique ceiling-removal immersion
  • Cross-device integration creates hardware-locked retention
  • 1.7 billion star database provides deep-space exploration depth
Weaknesses
  • Unencrypted user data storage
  • Broken subscription validation logic
  • Premium tier lacks cross-platform notification parity
  • No wearable integration limits active outdoor engagement
  • Android-iOS rating gap suggests inconsistent performance
  • Persistent compass drift erodes core utility
  • 0.2-star rating gap between iOS and Android platforms
  • Compass calibration failures persist across devices
  • Monetization structure creates friction post-purchase
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  • $10.99 upfront price point exceeds the casual-utility median
  • Manual landmark navigation creates high friction in the location scouting workflow
  • Premium tier at the top of the category median
  • Calibration errors reported in the latest update
  • 0.7★ rating gap on Android vs iOS
Pricingsubscriptionfreemiumfreemiumpaidfreemiumfreemiumpaidpaidsubscription
MomentumIntense-MaintenanceMaintenanceIntense-IntenseMaintenanceSteady
Update Cadence5 versions-2 versions, 1 majors/6mo, ~11d avg4 versions, 2 majors/6mo, ~28d avg5 versions-5 versions3 versions, 1 majors/6mo, ~81d avg5 versions, 1 majors/6mo, ~57d avg

Compare Flat Earth Sun, Moon & Zodiac head-to-head

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Flat Earth Sun, Moon & Zodiac, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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