# SynLink vs AstroFinish

The clearest difference is update cadence: AstroFinish at every 4 days against SynLink's fortnightly. SynLink's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for SynLink against 5.0 for AstroFinish. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

SynLink ships an update fortnightly, AstroFinish every 4 days. The most recent releases landed on September 11, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | SynLink | AstroFinish |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/synlink/id6739761466/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/astrofinish/id6763904575/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free | Free |
| Size | 203 MB | 11 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou UMa Technology Co., Ltd](https://appshunter.io/developer/1786910791) | [Cody Adams](https://appshunter.io/developer/1744999708) |

## What reviewers say

### SynLink

[App page](https://appshunter.io/ios/app/synlink/id6739761466)

This professional controller facilitates astrophotography by offering broad compatibility with major camera brands and astronomical equipment. Its design emphasizes simplicity, restraint, and modernity for an intuitive user experience.

**Highlights:** Broad camera compatibility (Fujifilm, Canon, Nikon, Sony), Supports astronomical cameras, Controls equatorial mounts, Manages filter wheels and focusers, Modern and simple interface

**Features:** Vision Pro support

**In-app purchases:** none


### AstroFinish

[App page](https://appshunter.io/ios/app/astrofinish/id6763904575)

Edit astrophotography images directly on your iPhone. Enhance deep-sky objects, clean up skies, and sharpen moon shots with specialized tools. Supports various image formats and offers batch processing for efficient editing.

**Highlights:** Auto Astro Polish, Deep Sky enhancement, Moon sharpening, Nebula and galaxy detail, Denoise and star reduction, Batch processing, RAW and FITS support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SynLink free?

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

### Is AstroFinish free?

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

### Which has better reviews, SynLink or AstroFinish?

SynLink and AstroFinish are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do SynLink or AstroFinish have ads?

Neither SynLink nor AstroFinish shows ads.

### Which is updated more often, SynLink or AstroFinish?

SynLink ships an update fortnightly, and AstroFinish every 4 days. Most recently, SynLink was updated on September 11, 2026 and AstroFinish on September 3, 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.*