| Core Identity |
| Developer | NASA | Google | Vito Technology Inc. | Noctua Software Ltd | Terminal Eleven LLC | Google |
| Category | Education | Entertainment | Education | Education | Education | Education |
| Platform | Android, iOS | iOS, Android | iOS, Android | iOS, Android | iOS, Android | Android, iOS |
| Store Metrics |
| Rating | 4.0 / 5 | 2.8 / 5 | 4.7 / 5 | 4.8 / 5 | 4.5 / 5 | 4.7 / 5 |
| Ratings Count | 11 | 629 | 66,644 | 35,790 | 18,676 | 133,562 |
| Price | Free | Free | $2.99 | Free | Free | Free |
| Release Date | Jan 2, 2017 | May 29, 2015 | Aug 21, 2014 | Apr 7, 2019 | Mar 4, 2011 | Dec 1, 2015 |
| Last Updated | Jan 2, 2017 | Dec 18, 2025 | May 12, 2026 | Feb 22, 2026 | Sep 23, 2025 | Apr 29, 2026 |
| Sentiment & Reviews |
| Sentiment | terrible | terrible | mixed | - | mixed | mixed |
| Score | 25/100 | 25/100 | 65/100 | - | 55/100 | 45/100 |
| Praises | - Immersive three dimensional visual experiences provide high value for casual mobile users
| - Immersive three-dimensional visual experiences provide a sense of wonder for new users
| - Educational depth regarding astronomical objects provides significant value for novice stargazers and hobbyists
| - | - Augmented reality features provide an accessible way for beginners to identify stars and planets
| - Educational content provides a productive alternative to mindless social media scrolling for curious users
|
| Complaints | - Post-update technical regressions prevent users from accessing the primary video viewer
| - Post-update technical regressions prevent users from accessing the primary video viewer interface
| - Inaccurate sky tracking and compass calibration issues prevent reliable identification of celestial objects
| - | - Inaccurate celestial positioning and compass drift cause frustration during stargazing sessions
| - Generative AI features feel intrusive and devalue the human creativity central to the app
|
| Requests | - Expanded hardware support for modern virtual reality controllers and headsets
| - Expanded interactive content and game modes to replace the current static image library
| - Weather forecast integration for stargazing would provide practical utility for planning observation sessions
| - | - Improved offline functionality to ensure accurate star mapping without constant internet reliance
| - User-controlled toggle to hide generative AI features and return to a traditional art interface
|
| Strategic Intel |
| Strengths | - Open-source SDK integration standardizes VR development across mobile hardware
- Curated Mars content provides specific educational depth
| - Open-source SDK standardisation drives broad developer ecosystem support
- Minimalist architecture avoids the bloat of social-heavy platforms
| - AR-driven interface lowers the barrier to entry for casual users
- 3D model depth functions as a brand moat for educational utility
| - 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
| - Global institutional partnerships provide a deeper content repository than any single museum-focused app
- Computer vision technology functions as a free, high-utility engagement tool for museum visitors
|
| Weaknesses | - Post-update video viewer crashes on Android
- Lack of calibration support for non-standard third-party headsets
| - 0.6★ rating gap between iOS and Android versions
- Failing QR code configuration blocks initial setup for new users
| - Compass calibration failures persist across devices
- Monetization structure creates friction post-purchase
| - 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
| - Lack of landscape mode on tablets creates a usability barrier for horizontal art viewing
- Aggressive AI integration drives negative sentiment among core users
|
| Pricing | free | free | paid | freemium | freemium | free |
| Momentum | Zombie | Maintenance | Maintenance | - | Maintenance | Active |
| Update Cadence | 2 versions, 1 majors/6mo, ~3259d avg | 5 versions, 1 majors/6mo, ~294d avg | 4 versions, 2 majors/6mo, ~28d avg | - | 2 versions, 1 majors/6mo, ~11d avg | 5 versions, 2 majors/6mo, ~13d avg |
