# Astro Kit vs Polar Scope Align Pro Watch

The clearest difference is price: Astro Kit at Free against Polar Scope Align Pro Watch's $5.99. Polar Scope Align Pro Watch's advantage is rating (4.9 vs 4.6) and review sentiment (100% vs 87%). On ratings volume, ads and in-app purchases there is nothing between them.

Astro Kit is free to download; Polar Scope Align Pro Watch costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Polar Scope Align Pro Watch holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 51 and 51 respectively. Written reviews point the same way: 87% of Astro Kit's written reviews are positive against 100% of Polar Scope Align Pro Watch's.

Astro Kit ships an update every 3 months, Polar Scope Align Pro Watch every 6 weeks. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Astro Kit | Polar Scope Align Pro Watch |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [4.6 (51 ratings)](https://appshunter.io/ios/app/astro-kit/id432175465/reviews) | **[4.9 (51 ratings)](https://appshunter.io/ios/app/polar-scope-align-pro-watch/id986082042/reviews)** |
| Number of ratings | 51 | 51 |
| Positive reviews | 86.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#181** |
| Size | 3 MB | 38 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jérôme Diaz](https://appshunter.io/developer/334987620) | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) |

## What reviewers say

### Astro Kit

[App page](https://appshunter.io/ios/app/astro-kit/id432175465)

This utility app assists in telescope setup by providing essential information like GPS coordinates and universal time. It also includes a compass and calculates the local hour angle for Polaris. Designed for amateur astronomers, it simplifies the alignment process.

**Highlights:** GPS coordinates, Compass functionality, Universal time display, Polaris local hour angle computation, Telescope alignment assistance

**Features:** macOS Compatibility

**In-app purchases:** none


### Polar Scope Align Pro Watch

[App page](https://appshunter.io/ios/app/polar-scope-align-pro-watch/id986082042)

**Currently charting:** #181 Top Paid · Utilities (US App Store)

This app provides precise polar alignment for telescopes, with or without a polar scope. It includes a comprehensive suite of astronomical tools, such as a DSO database, calculators, and mount control. An accompanying watch app offers real-time alignment data and weather information.

**Highlights:** Precise polar alignment calculation, Polar scope reticle selection, Daytime/no polarscope alignment, Deep Space Object database, Astronomical calculators, iOptron mount control, Apple Watch companion app

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Astro Kit free?

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

### Is Polar Scope Align Pro Watch free?

Polar Scope Align Pro Watch costs $5.99, with no in-app purchases.

### Which has better reviews, Astro Kit or Polar Scope Align Pro Watch?

Polar Scope Align Pro Watch is rated higher. Astro Kit averages 4.6 out of 5 from 51 ratings, while Polar Scope Align Pro Watch averages 4.9 from 51 ratings.

### Do Astro Kit or Polar Scope Align Pro Watch have ads?

Neither Astro Kit nor Polar Scope Align Pro Watch shows ads.

### Which is updated more often, Astro Kit or Polar Scope Align Pro Watch?

Astro Kit ships an update every 3 months, and Polar Scope Align Pro Watch every 6 weeks. Most recently, Astro Kit was updated on November 1, 2026 and Polar Scope Align Pro Watch on November 6, 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.*