# SynScan vs Touch

The clearest difference is review sentiment: Touch at 75% against SynScan's 22%. Touch also leads on rating (4.7 vs 3.3) and update cadence (fortnightly vs every 2 months). SynScan's advantage is iOS requirement (14.0 vs 16.6). On price, ratings volume, 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.

Touch holds the better App Store score, 4.7 against 3.3. Both are backed by a comparable volume of ratings — 8 and 7 respectively. Written reviews point the same way: 22% of SynScan's written reviews are positive against 75% of Touch's.

SynScan ships an update every 2 months, Touch fortnightly. The most recent releases landed on September 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SynScan | Touch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (8 ratings)](https://appshunter.io/ios/app/synscan/id1243086631/reviews) | **[4.7 (7 ratings)](https://appshunter.io/ios/app/touch-n-stars/id6744902856/reviews)** |
| Number of ratings | **8** | 7 |
| Positive reviews | 22.2% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 46 MB | 41 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Astropower Technology Co. Ltd.](https://appshunter.io/developer/1787940478) | [Johannes Maier](https://appshunter.io/developer/1809834961) |

## 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


### Touch

[App page](https://appshunter.io/ios/app/touch-n-stars/id6744902856)

Control your astrophotography sessions remotely from your mobile device or Mac. Manage imaging, focus, guiding, and polar alignment. This open-source tool enhances your workflow without ads or in-app purchases.

**Highlights:** Remote imaging session launch, Focus control, Guiding performance monitoring, Three Point Polar Alignment, Connected device control, Open source

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SynScan free?

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

### Is Touch free?

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

### Which has better reviews, SynScan or Touch?

Touch is rated higher. SynScan averages 3.3 out of 5 from 8 ratings, while Touch averages 4.7 from 7 ratings.

### Do SynScan or Touch have ads?

Neither SynScan nor Touch shows ads.

### Which is updated more often, SynScan or Touch?

SynScan ships an update every 2 months, and Touch fortnightly. Most recently, SynScan was updated on September 16, 2026 and Touch on October 13, 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.*