# Polar Scope Align Pro vs norlys

The clearest difference is price: norlys at Free against Polar Scope Align Pro's $3.99. norlys also leads on in-app purchases (none vs 3). Polar Scope Align Pro's advantage is ratings volume (305 vs 2) and update cadence (every 2 months vs every 5 months). On rating and ads there is nothing between them.

norlys is free to download; Polar Scope Align Pro costs $3.99 up front. Polar Scope Align Pro sells 3 one-off in-app purchases. norlys asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Polar Scope Align Pro against 5.0 for norlys. That said, the two scores are not equally well evidenced: Polar Scope Align Pro has 305 ratings behind it against 2, so its average is the more settled of the two.

Polar Scope Align Pro ships an update every 2 months, norlys every 5 months. The most recent releases landed on September 26, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Polar Scope Align Pro | norlys |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.9 (305 ratings)](https://appshunter.io/ios/app/polar-scope-align-pro/id970161373/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/norlys/id6751714839/reviews)** |
| Number of ratings | **305** | 2 |
| Positive reviews | 97.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#62** | — |
| Size | 32 MB | 3 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [Hugo Lageneste](https://appshunter.io/developer/1836395000) |

## What reviewers say

### Polar Scope Align Pro

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

**Currently charting:** #62 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


### norlys

[App page](https://appshunter.io/ios/app/norlys/id6751714839)

This app provides a real-time world map and data to assist in tracking and chasing the northern lights. It simplifies the process of finding optimal viewing conditions for aurora displays.

**Highlights:** Real-time world map, Aurora data products, Northern lights tracking, Optimized viewing conditions, Chasing assistance

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Polar Scope Align Pro free?

Polar Scope Align Pro costs $3.99, and also offers in-app purchases.

### Is norlys free?

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

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

norlys is rated higher. Polar Scope Align Pro averages 4.9 out of 5 from 305 ratings, while norlys averages 5.0 from 2 ratings.

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

Neither Polar Scope Align Pro nor norlys shows ads.

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

Polar Scope Align Pro ships an update every 2 months, and norlys every 5 months. Most recently, Polar Scope Align Pro was updated on September 26, 2026 and norlys on September 8, 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.*