# SynScan vs MLAstro Hub

The clearest difference is rating: MLAstro Hub at 5.0 against SynScan's 3.3. MLAstro Hub also leads on update cadence (every 5 days vs every 2 months). SynScan's advantage is ratings volume (8 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

MLAstro Hub holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: SynScan has 8 ratings behind it against 1, so its average is the more settled of the two.

SynScan ships an update every 2 months, MLAstro Hub every 5 days. The most recent releases landed on September 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SynScan | MLAstro Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (8 ratings)](https://appshunter.io/ios/app/synscan/id1243086631/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mlastro-hub/id6767999378/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 46 MB | 86 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Astropower Technology Co. Ltd.](https://appshunter.io/developer/1787940478) | [To Ngoc Khanh](https://appshunter.io/developer/1732662702) |

## What reviewers say

### 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


### MLAstro Hub

[App page](https://appshunter.io/ios/app/mlastro-hub/id6767999378)

Control your OnStep telescope mount wirelessly from your phone. Manage mount status, navigate celestial catalogs, and perform alignment and configuration tasks without a laptop.

**Highlights:** Live mount status monitoring, Directional control with adjustable slew rates, One-tap home and park functionality, Access to celestial object catalogs for Go-To slewing, Guided alignment workflow, Flexible Wi-Fi network setup, Configuration and tuning options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SynScan free?

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

### Is MLAstro Hub free?

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

### Which has better reviews, SynScan or MLAstro Hub?

MLAstro Hub is rated higher. SynScan averages 3.3 out of 5 from 8 ratings, while MLAstro Hub averages 5.0 from 1 ratings.

### Do SynScan or MLAstro Hub have ads?

Neither SynScan nor MLAstro Hub shows ads.

### Which is updated more often, SynScan or MLAstro Hub?

SynScan ships an update every 2 months, and MLAstro Hub every 5 days. Most recently, SynScan was updated on September 16, 2026 and MLAstro Hub on October 9, 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.*