# Astro Kit vs SynScan

The clearest difference is rating: Astro Kit at 4.6 against SynScan's 3.3. Astro Kit also leads on review sentiment (50% vs 22%) and ratings volume (50 vs 8). SynScan's advantage is iOS requirement (14.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Astro Kit holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: Astro Kit has 50 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 50% of Astro Kit's written reviews are positive against 22% of SynScan's.

Astro Kit ships an update every 3 months, SynScan every 2 months. Both last shipped on June 1, 2026.

## The numbers

| Metric | Astro Kit | SynScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (50 ratings)](https://appshunter.io/ios/app/astro-kit/id432175465/reviews)** | [3.3 (8 ratings)](https://appshunter.io/ios/app/synscan/id1243086631/reviews) |
| Number of ratings | **50** | 8 |
| Positive reviews | **50.0% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 3 MB | 46 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jerome Diaz](https://appshunter.io/developer/334987620) | [Astropower Technology Co. Ltd.](https://appshunter.io/developer/1787940478) |

## 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


### SynScan

[App page](https://appshunter.io/ios/app/synscan/id1243086631)

Control motorized telescope mounts for celestial object tracking and exploration. Features include GOTO functionality, object catalogs, and gamepad navigation. Ideal for novice users with alt-azimuth mounts.

**Highlights:** Control telescope mount slew, align, GOTO, and track, Point and Track celestial objects, Support gamepad navigation, Browse and save celestial object catalogs, Third-party app integration (ASCOM, SkySafari, Stellarium), Emulator mount for testing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Astro Kit free?

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

### Is SynScan free?

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

### Which has better reviews, Astro Kit or SynScan?

Astro Kit is rated higher. Astro Kit averages 4.6 out of 5 from 50 ratings, while SynScan averages 3.3 from 8 ratings.

### Do Astro Kit or SynScan have ads?

Neither Astro Kit nor SynScan shows ads.

### Which is updated more often, Astro Kit or SynScan?

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