Control your telescope mounts with ease using the SynScan Pro app on your smart device. Perfect for expert users with equatorial mounts, this app is a must-have for your stargazing adventures. Download the app now and explore the skies!




19+ iOS apps curated and reviewed
Looking for free arcprec zenith apps? 15 of our 19+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.




Control your telescope mounts with ease using the SynScan Pro app on your smart device. Perfect for expert users with equatorial mounts, this app is a must-have for your stargazing adventures. Download the app now and explore the skies!



This application calculates various arc parameters, such as radius, length, width, height, and tangent, based on two known input values. Simply select and enter the known values, and get the required results, with options to convert measurement units, save to a favorite list, and share with others.






This application is a comprehensive tool for astronomers, providing accurate polar alignment and a wide range of features, including a DSO database, calculators, and weather reports. With its user-friendly interface and extensive functionality, it helps astronomers to plan and execute their observations with precision, making it an essential tool for anyone interested in astronomy.






This astronomical application allows users to measure and record the movement of the Sun and stars based on a Ptolemaic model, determining times and positions of celestial events. With interactive 3D features, users can rotate, zoom, and adjust settings to make precise measurements and explore the position of celestial objects.























