# Dual Screen Sync vs SecureFox

The clearest difference is in-app purchases: Dual Screen Sync at none against SecureFox's 4. SecureFox's advantage is device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. SecureFox sells 4 in-app purchases, starting at $2.99 per 7 days. Dual Screen Sync asks for nothing beyond the download.

## The numbers

| Metric | Dual Screen Sync | SecureFox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 1 MB | 100 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Insik Shin](https://appshunter.io/developer/1740272742) | [Kuipers Libertas B.V.](https://appshunter.io/developer/1686543400) |

## What reviewers say

### Dual Screen Sync

[App page](https://appshunter.io/ios/app/dual-screen-sync/id6737029339)

**In-app purchases:** none


### SecureFox

[App page](https://appshunter.io/ios/app/securefox-post-quantum-vpn/id6799118614)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Weekly | $2.99 | per 7 days |
| Basic Monthly | $5.99 | per month |
| Premium Monthly | $11.99 | per month |
| Premium Yearly | $89.99 | per year |


## Frequently asked questions

### Is Dual Screen Sync free?

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

### Is SecureFox free?

SecureFox is free to download, with in-app purchases available.

### Do Dual Screen Sync or SecureFox have ads?

Neither Dual Screen Sync nor SecureFox shows ads.

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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.*