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.
Summarized from real user reviews of Polar Scope Align. Based on 171 reviews and a 4.7/5 average, it highlights the 15 positives and 10 negatives reviewers mention most about this Utilities app.
7.0
July 13, 2026
• Aurora forecast added to the sample Pro tools available in the Settings screen. • Tools night mode can be turned off (default is auto mode depending on day/night). • DSO Database lists can be saved, edited by swiping, and printed. • New onboarding screens and improved help. • Various small fixes, including settings screen and iOS 26 compatibility updates. Remember, the app never nags you with popups, so it gets very few ratings/reviews. Support it by rating it!
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6 issues
Date and time dial do not match correctly
GMT and LST times appear to be switched
7 requests
Online video tutorials demonstrating all features
Remove or reduce center dot size in reticle
Polar Scope Align calculates the exact position of Polaris or Sigma Octantis within your telescope's polar scope reticle. This allows for quick and accurate polar alignment of your telescope, crucial for astrophotography and precise viewing. It accounts for your specific location and atmospheric conditions for enhanced accuracy.
The app provides highly accurate polar alignment, especially at lower latitudes, by correcting for atmospheric refraction and other celestial effects. It aims for precision comparable to scientific software, distinguishing it from simpler alignment apps. The accuracy is detailed in the app's help section.
The app offers a free, ad-supported version with core polar alignment features. An optional ad-free Pro version is available for purchase, which includes additional advanced features like manual time/location entry, zoomable reticles, and daytime alignment tools.
The app supports a vast collection of reticles from various manufacturers, including iOptron, Astro-Physics, Takahashi, Orion, Skywatcher, Celestron, Meade, Vixen, and many more. Users can select the reticle that matches their specific polar scope.
Yes, the app provides assistance for Southern Hemisphere users by calculating the position of Sigma Octantis. It also includes a 'PoleMaster help view' specifically for South Hemisphere users to aid in their polar alignment process.
