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iOptron Optical Polar Scope icon

iOptron Optical Polar Scope

成城 徐

Category: Utilities
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Rankings updated

Price and ratings

Price
A$2.99
Rating
2.5 out of 5
Ratings
2Australia

Versions

Released
10 Oct 201213 years ago
Last update
11 months agoVersion 8.30
Requires
iOS 18.0 or later

Details

Size
830.5 kB
Languages
2
Website
—

This is an app to show the position of the Pole Star (Polaris in Northern Hemisphere, or Sigma Octantis in Southern Hemisphere) in the polar scope of all the iOptron(R) telescope/camera mounts. The app uses the best algorithm to calculate the position of Pole Star: The algorithm calculates 3D space motion of the Pole Star itself, precession, temperature and barometric pressure corrected atmospheric refraction, nutation, parallax, aberration, and etc.). The overall accuracy of the algorithm has

Countries1In 1 chart right now
Best rank now#94Australia Paid · Utilities
Ratings, 7 days—Needs a week of rating history
Longest chart run2 daysAustralia Paid · Utilities

Competitors

Full chart

Top of Paid · Utilities in Australia. iOptron Optical Polar Scope is #94 there. Changes are over 7 days.

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Store listing

How the app presents itself on the App Store. Select a screenshot to open it full size.

iOptron Optical Polar Scope screenshot 1 of 3iOptron Optical Polar Scope screenshot 2 of 3iOptron Optical Polar Scope screenshot 3 of 3

What's new

Version 8.30 · 24 Oct 2025 · 11 months ago

Added support for new iOS and iPadOS devices. Now requires iOS 18. Minor improvments.

Current rankings

Every chart this app is in right now, best position first.

iOptron Optical Polar Scope chart positions
ChartRank24 h7 daysBestDays on chart
Australia· Paid · Utilities#94Change unknownChange unknown#712

Rank history

Higher on the chart is better: #1 is at the top.

Sign in to see 30 days, 90 days and all history.

Australia · Paid · Utilities: best #71, latest #94, over 2 snapshots since 8 Oct. No snapshots from 8 Oct to 9 Oct; the line joins the snapshots on either side.

Australia · Paid · Utilities: best #71, latest #94, over 2 snapshots since 8 Oct. No snapshots from 8 Oct to 9 Oct; the line joins the snapshots on either side.

Ranking events

Entries, big moves, #1s and new versions we've recorded.

No events recorded yet

Events appear as the app enters charts, moves 25+ places or ships a new version.

More from 成城 徐

Their other apps that Appulse has seen in the charts, charting ones first.

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