# QUARCS vs Touch

The clearest difference is review sentiment: Touch at 75% against QUARCS's 0%. Touch also leads on rating (4.7 vs 3.0) and update cadence (fortnightly vs every 6 months). QUARCS's advantage is iOS requirement (14.0 vs 16.6). 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.

Touch holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Touch has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of QUARCS's written reviews are positive against 75% of Touch's.

QUARCS ships an update every 6 months, Touch fortnightly. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | QUARCS | Touch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/quarcs/id6479396546/reviews) | **[4.7 (7 ratings)](https://appshunter.io/ios/app/touch-n-stars/id6744902856/reviews)** |
| Number of ratings | 1 | **7** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 30 MB | 41 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Light Speed Vision(Beijing) Co., Ltd](https://appshunter.io/developer/1511662353) | [Johannes Maier](https://appshunter.io/developer/1809834961) |

## What reviewers say

### QUARCS

[App page](https://appshunter.io/ios/app/quarcs/id6479396546)

This open-source software kit enables remote astrophotography capture via Wi-Fi and computer. It offers comprehensive control over telescope mounts, cameras, autoguiding, and electric focusers, integrating with Stellarium for sky mapping.

**Highlights:** Remote capture via Wi-Fi, Computer remote capture via LAN, Mount control, Camera control, Autoguiding, Electric focuser control, Stellarium skymap integration

**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 QUARCS free?

QUARCS 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, QUARCS or Touch?

Touch is rated higher. QUARCS averages 3.0 out of 5 from 1 ratings, while Touch averages 4.7 from 7 ratings.

### Do QUARCS or Touch have ads?

Neither QUARCS nor Touch shows ads.

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

QUARCS ships an update every 6 months, and Touch fortnightly. Most recently, QUARCS was updated on October 6, 2026 and Touch on October 24, 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.*