# VILTROX Lens vs GCSync

The clearest difference is update cadence: VILTROX Lens at monthly against GCSync's every 3 months. GCSync's advantage is iOS requirement (12.0 vs 15.0). 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.

VILTROX Lens ships an update monthly, GCSync every 3 months. The most recent releases landed on September 25, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | VILTROX Lens | GCSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (40 ratings)](https://appshunter.io/ios/app/viltrox-lens/id6444688962/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 5.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 157 MB | 26 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [深圳市雷影光电科技有限公司](https://appshunter.io/developer/1656173591) | [深圳市影之器科技有限公司](https://appshunter.io/developer/1486091758) |

## What reviewers say

### VILTROX Lens

[App page](https://appshunter.io/ios/app/viltrox-lens/id6444688962)

This utility app connects to Viltrox lenses via Bluetooth, enabling remote control for focusing, including a one-touch infinity focus for astrophotography. It displays real-time focal length and aperture information and supports online firmware updates for improved performance. Users can also customize screen display styles.

**Highlights:** Bluetooth lens connection, Remote focus control, One-touch infinity focus, Real-time focal length and aperture display, Online lens firmware updates, Customizable screen display styles

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

**In-app purchases:** none


### GCSync

[App page](https://appshunter.io/ios/app/gcsync/id6449912327)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VILTROX Lens free?

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

### Is GCSync free?

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

### Do VILTROX Lens or GCSync have ads?

Neither VILTROX Lens nor GCSync shows ads.

### Which is updated more often, VILTROX Lens or GCSync?

VILTROX Lens ships an update monthly, and GCSync every 3 months. Most recently, VILTROX Lens was updated on September 25, 2026 and GCSync on September 12, 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.*