# Cygnus Astro vs GuideWatch

The clearest difference is update cadence: Cygnus Astro at every 5 days against GuideWatch's fortnightly. Cygnus Astro also leads on iOS requirement (15.1 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

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

Cygnus Astro ships an update every 5 days, GuideWatch fortnightly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cygnus Astro | GuideWatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/cygnus-astro/id6745795760/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free | — |
| Size | 32 MB | 4 MB |
| Requires iOS | **15.1** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Ventura](https://appshunter.io/developer/1742045592) | [Cambridge AI Works Ltd.](https://appshunter.io/developer/6791601439) |

## What reviewers say

### Cygnus Astro

[App page](https://appshunter.io/ios/app/cygnus-astro/id6745795760)

Control your astrophotography equipment remotely from your mobile device. This app provides a touch-friendly interface to connect, monitor, and manage your N.I.N.A. software and connected gear, simplifying your setup in the field.

**Highlights:** Remote equipment control, N.I.N.A. software integration, Mobile touch interface, Real-time exposure preview, Open-source and free

**Features:** macOS Compatibility

**In-app purchases:** none


### GuideWatch

[App page](https://appshunter.io/ios/app/guidewatch/id6792355618)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cygnus Astro free?

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

### Is GuideWatch free?

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

### Do Cygnus Astro or GuideWatch have ads?

Neither Cygnus Astro nor GuideWatch shows ads.

### Which is updated more often, Cygnus Astro or GuideWatch?

Cygnus Astro ships an update every 5 days, and GuideWatch fortnightly. Most recently, Cygnus Astro was updated on October 20, 2026 and GuideWatch 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.*