| Core Identity |
| Developer | Parsec vzw | JRustonApps B.V. | HuskyCodes Oy | TINAC Inc. | Noctua Software Ltd | JRustonApps B.V. | VNIL AB |
| Category | Weather | Weather | Weather | Weather | Education | Weather | Weather |
| Platform | Android, iOS | Android, iOS | iOS, Android | iOS | iOS, Android | iOS, Android | Android, iOS |
| Store Metrics |
| Rating | 3.9 / 5 | 4.7 / 5 | 4.9 / 5 | 4.6 / 5 | 4.8 / 5 | 4.9 / 5 | 4.7 / 5 |
| Ratings Count | 182 | 66,006 | 99 | 4,714 | 35,790 | 58,715 | 1,543 |
| Price | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Sep 11, 2018 | Jan 26, 2016 | Jul 15, 2021 | Jul 21, 2012 | Apr 7, 2019 | Apr 27, 2016 | Dec 6, 2015 |
| Last Updated | Aug 11, 2025 | Apr 16, 2026 | Sep 5, 2025 | May 9, 2026 | Feb 22, 2026 | Apr 13, 2026 | Mar 26, 2026 |
| Sentiment & Reviews |
| Sentiment | negative | mixed | - | negative | - | excellent | - |
| Score | 25/100 | 55/100 | - | 25/100 | - | 92/100 | - |
| Praises | - High-fidelity space weather data provides essential insights for aurora photography and ham radio enthusiasts
| - Accurate Aurora Forecasting
| - | - Accurate aurora alerts provided timely notifications during international travel for dedicated sky watchers
| - | - Simplicity and Ease of Use
- Informative Content
| - |
| Complaints | - Intrusive full-screen advertisements block navigation and force users to restart the application repeatedly
| | - | - Forecast accuracy failures lead to zero percent probability reports during visible aurora events
| - | - Notification and UI Navigation Issues
| - |
| Requests | - Customizable notification thresholds allow users to filter alerts based on specific solar flare intensity classes
| - | - | - Customizable time zone settings to reduce confusion regarding forecast data display
| - | - | - |
| Strategic Intel |
| Strengths | - 1996-present data archive functions as a B2B-style distribution moat
- 20-language interface lowers international entry barriers
| - High-quality technical data integration
- Strong user ratings (4.7+)
- Completely free, barrier-free feature set
| - | - Apple Intelligence integration provides a unique, low-friction interface for complex solar data
- 3D globe visualization establishes high-fidelity category authority
- Apple Watch complications increase session frequency via wrist-based access
| - 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
| - Extremely high user satisfaction and retention (4.85 rating).
- Completely free, ad-supported model removes all financial barriers to entry.
- Highly focused, 'no-fluff' UI that appeals to utility-seeking users.
| - |
| Weaknesses | - Explicit ad content triggers safety complaints
- Push notification reliability issues erode daily active usage
- Subscription pricing lacks value-add beyond ad removal
| - Aggressive/intrusive ad implementation
- High background resource/data usage
- Reports of unreliable notifications
| - | - Forecast accuracy failures lead to zero percent probability reports during visible events
- Subscription-only model creates high conversion friction for casual users
- Technical instability and map loading failures prevent reliable use of core features
| - Premium tier lacks cross-platform notification parity
- No wearable integration limits active outdoor engagement
- Android-iOS rating gap suggests inconsistent performance
| - Lack of educational content or tooltips for complex astronomical data.
- Notification system lacks deep-linking, leading to minor user frustration.
- Limited social media presence.
| - |
| Pricing | freemium | free | free | subscription | freemium | free | freemium |
| Momentum | Maintenance | - | Active | Active | - | - | - |
| Update Cadence | 5 versions | - | 5 versions | 5 versions, 2 majors/6mo, ~10d avg | - | - | - |
