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Last updated on: 2026-07-11
Android Apps > Tools > PolarAligner Pro (Astro Tool)
PolarAligner Pro (Astro Tool) icon

PolarAligner Pro (Astro Tool)

8.6
Kechkoindustries
3.38
241 reviews
10,000+
Downloads
$3.99

The Polar-Aligner is a great tool to align your equatorial telescope mount

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PolarAligner Pro is a specialized astronomy tool that helps you align an equatorial telescope mount with GPS-based positioning, Polaris tracking, and drift-alignment calculations. In the es market, it ranks highly as #3 in TOOLS, #12 in ALL, and #12 in APPLICATION, with ongoing interest reflected in 10,000+ total and 230 downloads in the last 30 days.

Pros & Cons

  • Focused on precise equatorial-mount alignment with drift-appreciation tooling.
  • Offline declination options and True North capability.
  • Broad compatibility with popular polar scopes and brands.
  • GPS-based positioning with Polaris position tracking and Hour Angle calculations.
  • Competitors may offer magnetic bearing or digital navigation features not explicitly listed for PolarAligner Pro (based on competitor keywords).
  • Potential lack of built-in maps or online navigation features compared to some rivals.
  • Noted device limitations: some sensors (compass/tilt) may affect performance on certain devices, as highlighted by user warnings.

About PolarAligner Pro (Astro Tool)

PolarAligner Pro (Astro Tool) is a tools app developed by Kechkoindustries.

Download Statistics

PolarAligner Pro (Astro Tool) has been downloaded 22 thousand times. In the last 30 days, the app was downloaded 230 times. It is ranked in the top 100 tools apps.

User Ratings

PolarAligner Pro (Astro Tool) is rated 3.38 out of 5 stars. The rating is based on 240 ratings.

App Information

PolarAligner Pro (Astro Tool) costs $3.99 to download. The APK download size is 8.30 MB. The latest version available is 8.6. The last update was on April 19, 2026.

Technical Requirements

PolarAligner Pro (Astro Tool) requires Android 2.1+ or higher. The app has a content rating of Everyone. The app has been available on Google Play May 2017.

Description
Attention:
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More data about PolarAligner Pro (Astro Tool)

Price $3.99
Total downloads 22 thousand
Recent downloads 230
Rating 3.38 based on 240 ratings
Ranking Top ranked
Version 8.6
APK size 8.30 MB
Number of libraries 18
Designed for Android 2.1+
Suitable for Everyone
Ads NO ads

App Performance Report

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Alternative downloads for the PolarAligner Pro (Astro Tool) app

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PolarAligner Pro (Astro Tool) compared with similar apps

Common keywords of similar apps

Mount Align Spirit Polaraligner Pro Aligner Equatorial Tilt Manual Hemisphere Information Show Scope North Compass Sensor Alignment Tool Level Gps Polar Device Declination True Location Position Polaris

Keywords missing from this app

Magnetic App Direction Accurate Navigation Smart Accuracy Digital Current Coordinates Recent Directions Application Altitude Offline Field Features Map Required View Calibration Free Find Weather Point Sensors Screen Hiking Readings Bearing Distance Displays South Precision Mode Simple

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Google Play Rating history and histogram

110
17
25
21
64

Downloads over time

PolarAligner Pro (Astro Tool) has been downloaded 22 thousand times. Over the past 30 days, it has been downloaded 230 times.

Changelog of PolarAligner Pro (Astro Tool)

Show changelog

Developer information for Kechkoindustries

Kechkoindustries

kechkoindustries@gmail.com

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Comments on PolarAligner Pro (Astro Tool) for Android

★★★★★ Karl Moretz · Aug 26, 2020
I don't have a clear view of Polaris from my house, and using the beta feature day align seems to work really well. Using it, I can easily get tracked exposures of a minute without star trails. About as good as I could ask for without an actual polar alignment. The other features work well, pretty much all you should need to achieve alignment. One small gripe would be that the UI is not the slickest, but it does what it advertises well. Checked against an actual compass, and it was spot on.
★★★★★ Alex McLean · Feb 8, 2021
A good app for me. I have to set up my mount every time I use it. I have no polar scope, but the daytime alignment is extremely well-thought-out. Once I set up my mount, I just put smartphone in my homemade holder and center the crosshairs. On a good sky I recheck it, and it is impressed with its accuracy. One niggle was I only found the instructions by accident, a link would be good.
★★★★★ Jason Karoos · Jan 25, 2026
Trying to polar align my telescope in the Southern Hemisphere was a nightmare. This app solved everything. Press a button and boom. Instant alignment. Just attach the phone to the mount and line up the cross that simple. Worth every penny. Edit: I just read from the Dev that people are giving this a bad review because the compass don't work? As they mentioned this is because your phone is junk and hasn't got the built-in functions needed for this app. Go by my review people. This app is gold!!
★☆☆☆☆ Jim Buckman · Dec 27, 2021
I am using this app on a Samsung Galaxy S20 Ultra. The S20 has a built-in compass that is very accurate. I also have a Garmin GPS digital compass that points to exactly the same north that the compass built into my phone does. This app's compass is at least 15° off and is obviously not accessing the built-in compass on my phone. How about either fixing your app and add in all the neat stuff found in the iPhone version. Very, very disappointed.
★★☆☆☆ Dilip Sharan · Jul 11, 2019
Reasonable functionality. But freezes when trying daytime Polar Alignment with my Huawei P20 pro mobile phone

Google Play Rankings for PolarAligner Pro (Astro Tool)

Top rankings

Rank Country Category List
47 Switzerland Overall Top Paid
151 France Overall Top Paid
16 France Tools Top Paid
47 Switzerland Applications Top Paid
117 Spain Overall Top Paid
12 Spain Tools Top Paid
150 France Applications Top Paid
56 United States Tools Top Paid
114 Spain Applications Top Paid
67 Germany Tools Top Paid
Show all market rankings

Ranking history in France

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Technologies used by PolarAligner Pro (Astro Tool)

PolarAligner Pro (Astro Tool) is requesting 6 permissions and is using 18 libraries.

Permissions

Development tools
test access to protected storage
Your location
approximate (network-based) location, precise (GPS) location, access extra location provider commands, mock location sources for testing
Network communication
full network access

Ad network libraries

None found

Social libraries

None found

Development tools

Android Jetpack core Android Library IconAndroid Jetpack core Android Architecture Components Android Library IconAndroid Architecture Components Android Jetpack VersionedParcelable Android Library IconAndroid Jetpack VersionedParcelable Android Jetpack Annotations Android Library IconAndroid Jetpack Annotations Android Jetpack Widgets Android Library IconAndroid Jetpack Widgets Android Jetpack AppCompat Android Library IconAndroid Jetpack AppCompat AndroidX Loader Android Library IconAndroidX Loader Android Transition Support Library Android Library IconAndroid Transition Support Library Android Support Library collections Android Library IconAndroid Support Library collections Android Support VectorDrawable Android Library IconAndroid Support VectorDrawable AndroidX Legacy: Support Library core utils Android Library IconAndroidX Legacy: Support Library core utils AndroidX Cursor Adapter Android Library IconAndroidX Cursor Adapter AndroidX Local Broadcast Manager Android Library IconAndroidX Local Broadcast Manager Android Support Library Print Android Library IconAndroid Support Library Print Android Support Library Document File Android Library IconAndroid Support Library Document File AndroidX Legacy: Support Library core UI Android Library IconAndroidX Legacy: Support Library core UI Android Support Library Async Layout Inflater Android Library IconAndroid Support Library Async Layout Inflater GNU Kawa Android Library IconGNU Kawa
Trust & Safety: The app requests location-related permissions (ACCESS_COARSE_LOCATION, ACCESS_FINE_LOCATION, ACCESS_LOCATION_EXTRA_COMMANDS, ACCESS_MOCK_LOCATION), Internet, and READ_EXTERNAL_STORAGE. Users should ensure device sensors (compass, tilt) are available for accurate results. The long description also cautions about device compatibility and refunds, signaling prudent user awareness of sensor requirements and platform limitations.
Polar Clock icon Polar Clock
Daytime Polar Alignment icon Daytime Polar Alignment
Compass icon Compass
PolarFinder Pro icon PolarFinder Pro
Accurate Compass icon Accurate Compass
Polaris : A Cool Compass icon Polaris : A Cool Compass
Compass & GPS icon Compass & GPS
Compass icon Compass

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