249+ iOS apps curated and reviewed
If you already know iCSC, this is the deeper bench. 249+ clear dark sky apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (1.5K) | No | No | Aug 2026 |
| 2 |  | Free | 5.0★ (1) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.6★ (201) | No | Yes | Aug 2026 |
| 4 |  | Free | — | No | Yes | Aug 2026 |
| 5 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
| 6 |  | Free | 4.6★ (15K) | No | Yes | Aug 2026 |
| 7 |  | Free | 5.0★ (5) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.3★ (6) | No | No | Aug 2026 |
This app provides detailed 48-hour sky forecasts for astronomical observation. It helps users find optimal locations and times for clear, dark skies by displaying data on cloud cover, transparency, and more. Save your favorite charts for quick access.
This app provides a clarity score and hour-by-hour forecast for stargazing conditions, including cloud cover, transparency, and moon phase. It helps users find the best viewing windows for their astronomical observations.
Discover optimal locations for stargazing and astrophotography with a detailed light pollution map. Get real-time alerts for celestial events like meteor showers and auroras, track the ISS, and access daily astronomy photos. Enhance your night sky observations with comprehensive tools and information.
This app helps you discover and track celestial events like meteor showers and eclipses. It provides countdown timers and customizable notifications so you never miss an opportunity to stargaze. It also features a dark sky finder to locate optimal viewing spots.
Plan your stargazing adventures and capture stunning photos of the night sky. Get real-time weather, visibility scores, and a unique hourly stargazing index based on multiple criteria. Discover what planets, stars, and constellations are visible from your location.
This app provides a simple, plain-language forecast for sky conditions, indicating when the weather is suitable for stargazing or outdoor night activities. It helps users decide if the sky is clear and dark enough for their plans.
Get detailed, reliable weather forecasts specifically for astronomers, focusing on cloud cover. Track astronomical events like moon and sun times, darkness periods, and ISS passes. Save multiple locations for quick access to crucial data.
This app provides a comprehensive tool to determine the best times for stargazing. It offers detailed forecasts for weather, seeing conditions, transparency, and light pollution. Ideal for both amateur and professional astronomers using any viewing equipment.
Explore the night sky with a real-time planetarium. Identify stars, planets, constellations, and satellites by simply pointing your phone. Offers detailed astronomical data and cultural constellation interpretations.
Explore the night sky with an augmented reality stargazing app. Identify stars, planets, and celestial objects in real-time. Plan astrophotography sessions with advanced framing tools and offline capabilities.
This app predicts when the sky will be clear, dark, and steady for optimal stargazing. It alerts you to celestial events like meteor showers and planetary alignments visible from your location, helping you plan when to look up.
This app offers advanced weather forecasting and astronomical data for stargazers and astrophotographers. It provides detailed hourly forecasts, cloud and sky transparency reports, and alerts for celestial events. It also includes tools for astronomical societies and offline site setup.