26+ iOS apps curated and reviewed
Celestron SkyPortal is the household name in celestron, but it's far from the only option. We track 26+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.6★ (346) | No | No | Jul 2026 |
| 2 |  | Free | 3.3★ (160) | No | No | Jul 2026 |
| 3 |  | Free | 4.8★ (64K) | No | No | Jul 2026 |
| 4 |  | Free | 4.2★ (27) | No | No | May 2026 |
| 5 |  | Free | 4.7★ (482K) | No | Yes | Jul 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | 4.6★ (535) | No | No | Jul 2026 |
| 8 |  | Free | 4.7★ (171) | Yes | Yes | Jul 2026 |
Explore the cosmos with a comprehensive astronomy suite. Discover stars, planets, and celestial events, and enhance your stargazing with detailed information and audio narration. Connect to compatible telescopes for automatic object location.
This app guides you through the night sky using your smartphone and a compatible telescope. It identifies celestial objects and directs your telescope for optimal viewing, making astronomy accessible for beginners and enthusiasts alike.
Explore the universe with access to live and on-demand NASA+ videos, a vast collection of stunning images, and the latest mission news. Discover interactive augmented reality experiences and track the International Space Station's path.
This app redefines stargazing and astroimaging with AI-powered real-time stacking and processing. Explore the cosmos through a user-friendly planetarium interface, easily locate celestial objects, and share stunning images with others.
Explore the cosmos with an AI-powered planetarium. Identify stars, planets, and satellites by pointing your device at the sky. Discover celestial objects in augmented reality and share your stargazing experiences with others.
Explore Earth's Moon in real-time 3D with realistic lighting and detailed terrain. Manipulate the view, switch to Telescope mode, and learn about lunar features and spacecraft. It also displays the Moon and Sun's position in the sky.
This app calculates the precise position of celestial poles in your telescope's polar scope reticle for accurate alignment. It supports a wide range of reticles and corrects for atmospheric refraction, offering precision even at lower latitudes. Features include night mode, moon phase, and astronomical databases.
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.
This application connects to a specialized handheld microscope, allowing users to view magnified images on their mobile devices. It facilitates exploration and discovery of the microscopic world directly from a smartphone or tablet.
Access NASA's daily astronomy images and explanations from professional astronomers. Explore stunning visuals of the universe, save your favorites, and share them with others.
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.
This app provides precise polar alignment for telescopes, with or without a polar scope. It includes a comprehensive suite of astronomical tools, such as a DSO database, calculators, and mount control. An accompanying watch app offers real-time alignment data and weather information.
This app helps you find celestial objects in the night sky using your device's camera. It identifies stars for accurate alignment, guiding you to targets even with light pollution or partial clouds. Advanced features assist with telescope and binocular use for deep sky object hunting.
This app simplifies telescope aiming by guiding you to celestial targets without needing your phone's camera or direct sky pointing. Simply align with a bright star, and it helps you find objects of interest.
This app assists astronomers with precise polar alignment for telescopes, offering tools for various reticles and low-latitude accuracy. It also includes a comprehensive suite of astro tools, from object databases to calculators and weather reports.
Effortlessly enhance your astrophotography with advanced AI tools. Remove noise, stars, and gradients to reveal stunning cosmic details. Includes essential editing controls for professional-quality results on your iPhone.
Easily track the International Space Station and other satellites. Receive timely alarms before passes and get weather condition checks for optimal viewing. Enhance functionality with optional in-app purchases to discover more celestial objects.
Easily manage your health benefits on the go with this app. Review plan details, make changes, receive important reminders, and access carrier ID cards. Get help for your benefit questions via phone or chat.
This app helps you process videos of planets, automatically cropping them to center the celestial body. It offers various image editing tools and advanced features like wavelet layers for detail extraction and denoising. You can also trim videos before stacking and save your edited images.