MARLVEL

Universal Zoom - Science Guide vs its rivals

Side-by-side comparison against Universal Zoom - Science Guide's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Universal Zoom - Science Guide
This App
Star Gazer & Night Sky Map
Nemesis
Astronomy Observer
Contender
Periodic Table
Contender
EleMend- 3D Periodic Table
Contender
Class 10 science Guide Offline
Contender
Grade 10 Physical Sciences
Peer
Grade 12 Life Sciences
Peer
Grade 10 Life Sciences
Peer
Grade 11 Physical Science
Peer
Core Identity
DeveloperGamifyItAppelio雪平 王Royal Society of ChemistryZipoAppsGuide SolutionsJSDT SOLUTIONSJSDT SOLUTIONSJSDT SOLUTIONSJSDT SOLUTIONS
CategoryEducationEducationReferenceEducationEducationEducationEducationEducationEducationEducation
PlatformiOSAndroid, iOSiOSiOS, AndroidiOS, AndroidAndroidAndroidAndroidAndroid, iOSAndroid
Store Metrics
Rating4.8 / 54.7 / 54.6 / 54.3 / 54.7 / 54.2 / 54.7 / 54.6 / 54.5 / 54.5 / 5
Ratings Count2923328191671862,1111,936331,898
PriceUSD5.99FreeFreeFreeFreeFreeFreeFreeFreeFree
Release DateFeb 6, 2014Nov 26, 2025May 2, 2020Aug 11, 2015May 15, 2023May 22, 2021Feb 1, 2019Feb 1, 2018May 9, 2024Apr 18, 2018
Last UpdatedMay 18, 2026Apr 14, 2026Jan 5, 2022Jul 22, 2021Aug 22, 2023Dec 4, 2024Jan 4, 2026Feb 24, 2026May 9, 2024Apr 25, 2026
Sentiment & Reviews
Sentimentexcellentexcellent--------
Score95/10085/100--------
Praises
  • Educational scale exploration provides deep perspective on the universe from subatomic to cosmic levels
  • High quality audio narration and voice options improve the accessibility of complex scientific information
  • Monetization model remains user-friendly with no intrusive advertisements or subscription requirements
  • Long-term reliability of the sky mapping tool keeps users engaged over many years
  • Lean and ad-free interface provides a focused experience for identifying celestial objects
  • Open source nature fosters a sense of community and genuine labor of love
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Complaints
  • Minor typographical errors in object descriptions distract from the otherwise high quality educational content
  • Inaccurate celestial positioning and calibration issues frustrate users following the latest update
  • Performance lag and instability on tablet devices disrupt the viewing experience
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Requests
  • Expanded language support for non-English speakers to improve accessibility for international families
  • Additional astronomical objects and scientific phenomena to broaden the scope of the zoom experience
  • Landscape orientation support for tablets would improve the usability of the sky map
  • Camera overlay functionality would help users match digital maps to physical celestial bodies
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Strategic Intel
Strengths
  • Scale comparison engine functions as a brand moat, justifying the $5.99 upfront price.
  • 21-language library functions as a B2B distribution barrier into international school partnerships.
  • Ad-free experience builds high user trust, sustaining a 4.85 rating.
  • Open-source community model reduces R&D costs
  • Ad-free interface creates high trust with casual users
  • Long-term utility builds multi-year retention
  • AR-based real-time celestial mapping provides immediate utility for field identification.
  • Institutional authority of Royal Society of Chemistry provides a trust-based barrier to entry
  • Offline-first architecture ensures utility in classroom environments
  • 3D orbital visualizations function as a visual differentiation moat against static periodic tables
  • Interactive atomic models drive engagement for visual learners
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Weaknesses
  • One-time purchase model limits recurring revenue compared to subscription-based competitors.
  • Typographical errors in descriptions distract from the high-fidelity scientific content.
  • Lack of real-time sensor integration limits interactivity compared to Stellarium Mobile.
  • 0.52★ Android-iOS rating gap indicates platform-specific instability
  • Calibration errors post-update drive churn
  • No landscape orientation support for tablets
  • Last update occurred in Jan 2022, creating technical debt and potential compatibility issues.
  • Static 2D interface lacks spatial understanding of 3D competitors
  • No feature updates since 2021 on iOS
  • Zero engagement loops for daily retention
  • Ad-supported freemium model creates friction for academic users
  • No Android-side rating or review traction suggests poor cross-platform parity
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Pricingpaidfreefreemiumfreefreemiumfreefreefreefreefree
MomentumMaintenanceActiveZombieZombieMaintenance-----
Update Cadence2 versions, 2 majors/6mo, ~77d avg3 versions, 1 majors/6mo, ~7d avg5 versions2 versions, ~1718d avg2 versions, 1 majors/6mo, ~952d avg-----

Compare Universal Zoom - Science Guide 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 Universal Zoom - Science Guide, 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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