# Astro Kit vs Polar Scope Align

Astro Kit and Polar Scope Align both sit at 4.6 stars, but that hides the real split: 91% of Polar Scope Align's written reviews are positive against 50% of Astro Kit's. Polar Scope Align also leads on ratings volume (171 vs 50) and iOS requirement (13.0 vs 17.6). Astro Kit's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Polar Scope Align sells 3 one-off in-app purchases. Astro Kit asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Astro Kit against 4.7 for Polar Scope Align. Both are backed by a comparable volume of ratings — 50 and 171 respectively. Written reviews are what separate them: 50% of Astro Kit's written reviews are positive against 91% of Polar Scope Align's.

Astro Kit ships an update every 3 months, Polar Scope Align every 2 months. The most recent releases landed on June 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Astro Kit | Polar Scope Align |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (50 ratings)](https://appshunter.io/ios/app/astro-kit/id432175465/reviews) | **[4.7 (171 ratings)](https://appshunter.io/ios/app/polar-scope-align/id970157965/reviews)** |
| Number of ratings | 50 | **171** |
| Positive reviews | 50.0% of reviews | **91.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 23 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jerome 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

[App page](https://appshunter.io/ios/app/polar-scope-align/id970157965)

This app calculates the precise position of celestial poles in your telescope's polar scope reticle for accurate alignment. It supports a wide range of reticles and corrects for atmospheric refraction, offering precision even at lower latitudes. Features include night mode, moon phase, and astronomical databases.

**Highlights:** Polaris/Sigma Octantis position calculation, Atmospheric refraction correction, Reticle centering error correction, Supports numerous reticle types, Red-color night mode, Moon phase and astronomical databases

**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**

- 🎯 Extensive reticle options for various telescope mounts
- 👍 User-friendly and intuitive interface
- 🆓 Powerful free version with no popup ads
- 🔴 Red night vision mode preserves dark adaptation
- 📍 Accurate GPS-based location detection

**What reviewers complain about**

- 🐛 Inconsistent accuracy with metal mounts/tripods
- 📱 Font size too small for comfortable reading
- 🎯 Center dot in reticle obscures precise alignment
- 📍 Limited effectiveness for southern hemisphere (Sigma Octantis is dim)
- ❓ Steep learning curve for beginners without proper guidance

**Reported bugs**

- Date and time dial do not match correctly
- GMT and LST times appear to be switched
- App crashes or fails to initialize for some users
- Alignment accuracy varies inconsistently between sessions
- Location detection issues with cell tower vs GPS

**Requested features**

- Online video tutorials demonstrating all features
- Remove or reduce center dot size in reticle
- Larger, bolder font options for better readability
- Brighter star options for southern hemisphere alignment
- Smaller ad button or ad customization


## Frequently asked questions

### Is Astro Kit free?

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

### Is Polar Scope Align free?

Polar Scope Align is free to download, with in-app purchases available.

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

Polar Scope Align is rated higher. Astro Kit averages 4.6 out of 5 from 50 ratings, while Polar Scope Align averages 4.7 from 171 ratings.

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

Polar Scope Align shows ads; Astro Kit does not.

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

Astro Kit ships an update every 3 months, and Polar Scope Align every 2 months. Most recently, Astro Kit was updated on June 1, 2026 and Polar Scope Align 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.*