# PREF Sync vs WebGlass

The clearest difference is update cadence: WebGlass at every 4 days against PREF Sync's every 6 months. 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.

PREF Sync ships an update every 6 months, WebGlass every 4 days. The most recent releases landed on September 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PREF Sync | WebGlass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Size | 16 MB | 49 MB |
| Requires iOS | **11.4** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESQUADGROUP SOLUCOES E TECNOLOGIA LTDA](https://appshunter.io/developer/568397241) | [SystemGlass](https://appshunter.io/developer/1545415024) |

## What reviewers say

### PREF Sync

[App page](https://appshunter.io/ios/app/pref-sync/id1444779144)

**In-app purchases:** none


### WebGlass

[App page](https://appshunter.io/ios/app/webglass-vidracarias/id1575274044)

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

**In-app purchases:** none


## Frequently asked questions

### Is PREF Sync free?

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

### Is WebGlass free?

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

### Do PREF Sync or WebGlass have ads?

Neither PREF Sync nor WebGlass shows ads.

### Which is updated more often, PREF Sync or WebGlass?

PREF Sync ships an update every 6 months, and WebGlass every 4 days. Most recently, PREF Sync was updated on September 19, 2026 and WebGlass on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*