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PolarAligner Pro (Astro Tool) icon

PolarAligner Pro (Astro Tool) — Align your astro mount with this simple app

Android Tools Kechkoindustries
3.3 GP
18,256+
Google Play

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Description

I’ve been using PolarAligner Pro (Astro Tool) for a couple months now. It’s basically an app that helps you align your equatorial mount for stargazing and astrophotography. Pretty solid if you’re into that kind of thing.

Here’s what you do: there’s a compass to point your mount north, and a spirit level to get it perfectly level. And it’s got a few other basic tools too, like a sun/moon calculator. Took me a while to figure out how to use it properly, but it’s actually pretty useful once you get the hang of it.

Look, if you’re into astrophotography or just casual stargazing, you’ll probably like this app. It’s not perfect – the compass and level can be a bit finicky if your phone doesn’t have the right sensors. But overall it does the job and it’s free, so it’s worth checking out.

Editor Opinion

So here's my take on PolarAligner Pro. I've tested a bunch of astronomy apps and this one's pretty solid for the basics. The compass and level features work well if your device has the right sensors, and the other tools like the sun/moon calculator are handy. But it can be a bit tricky to use if you're new to aligning mounts. And the fact that it relies on your phone's sensors means it might not work great on some devices. Still, for a free app it's a pretty good option if you're into stargazing or astrophotography.

Manya Lyalya
Author Manya Lyalya Editor, Grand Screen

Pros & Cons

Pros

  • Compass and level tools help align your mount easily
  • Includes other useful features like sun/moon calculator
  • Free to download and use
  • Works well if your phone has the right sensors
  • Simple and straightforward to use once you get the hang of it

Cons

  • Relies on your phone's sensors, so may not work on all devices
  • Can be a bit tricky to use if you're new to aligning mounts
  • The compass and level features can be finicky at times

Specifications

Updated 13.04.2025
Category Tools
Age Rating Everyone
Developer Kechkoindustries
Android Android 2.1++
Package Name appinventor.ai_kechko.Polaralignment

Ratings

65
Google Play
3.3/5
236 reviews
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