# Polar Scope Align Pro vs MIRROSKY

The clearest difference is price: MIRROSKY at Free against Polar Scope Align Pro's $4.99. MIRROSKY also leads on in-app purchases (none vs 3) and update cadence (every 10 days vs every 2 months). Polar Scope Align Pro's advantage is rating (4.9 vs 2.6) and ratings volume (310 vs 5). On ads, device support and iOS requirement there is nothing between them.

MIRROSKY is free to download; Polar Scope Align Pro costs $4.99 up front. Polar Scope Align Pro sells 3 one-off in-app purchases. MIRROSKY asks for nothing beyond the download.

Polar Scope Align Pro holds the better App Store score, 4.9 against 2.6. That said, the two scores are not equally well evidenced: Polar Scope Align Pro has 310 ratings behind it against 5, so its average is the more settled of the two.

Polar Scope Align Pro ships an update every 2 months, MIRROSKY every 10 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Polar Scope Align Pro | MIRROSKY |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (310 ratings)](https://appshunter.io/ios/app/polar-scope-align-pro/id970161373/reviews)** | [2.6 (5 ratings)](https://appshunter.io/ios/app/mirrosky/id6474467188/reviews) |
| Number of ratings | **310** | 5 |
| Positive reviews | 96.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#74** | — |
| Size | 33 MB | 287 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [Mirrosky](https://appshunter.io/developer/1721682494) |

## What reviewers say

### Polar Scope Align Pro

[App page](https://appshunter.io/ios/app/polar-scope-align-pro/id970161373)

**Currently charting:** #74 Top Paid · Utilities (US App Store)

This app assists astronomers with precise polar alignment for telescopes, offering tools for various reticles and low-latitude accuracy. It also includes a comprehensive suite of astro tools, from object databases to calculators and weather reports.

**Highlights:** Accurate polar alignment calculation, Support for numerous polar scope reticles, Daytime/no polarscope alignment tool, Deep Space Object database, Astrophotography calculators, World astro-weather report

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip 1x | $0.99 | one-time |
| Tip 4x | $3.99 | one-time |
| Tip 10x | $9.99 | one-time |

**What reviewers like**

- 🚀 Best Polar Alignment App
- 👍 Detailed Instructions and Explanations
- 👍 Fantastic App with Many Useful Features
- 👍 Intuitive and No Distractions
- 👍 Comprehensive Astronomy App

**What reviewers complain about**

- 🐛 Compass Inaccurate
- 🐛 Location Data Inaccurate

**Reported bugs**

- Weather Updates Not Working
- Compass Deflected by Mount

**Requested features**

- Add Observation Recording Feature
- Add Push To Option for DSO Objects


### MIRROSKY

[App page](https://appshunter.io/ios/app/mirrosky/id6474467188)

Explore the cosmos with an AI-powered astronomical telescope and app. Discover stars, planets, and galaxies with real-time data, 3D maps, and interactive learning. Ideal for aspiring astronomers and curious minds.

**Highlights:** AI star recognition, 3D star map, Interactive interface, Intelligent star-seeking, Sharable challenge projects, Professional astronomy courses, Preset sky browsing routes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polar Scope Align Pro free?

Polar Scope Align Pro costs $4.99, and also offers in-app purchases.

### Is MIRROSKY free?

MIRROSKY is free to download, with no in-app purchases.

### Which has better reviews, Polar Scope Align Pro or MIRROSKY?

Polar Scope Align Pro is rated higher. Polar Scope Align Pro averages 4.9 out of 5 from 310 ratings, while MIRROSKY averages 2.6 from 5 ratings.

### Do Polar Scope Align Pro or MIRROSKY have ads?

Neither Polar Scope Align Pro nor MIRROSKY shows ads.

### Which is updated more often, Polar Scope Align Pro or MIRROSKY?

Polar Scope Align Pro ships an update every 2 months, and MIRROSKY every 10 days. Most recently, Polar Scope Align Pro was updated on October 29, 2026 and MIRROSKY on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*