# FourScan vs Smart DVR connection

The clearest difference is update cadence: FourScan at every 5 days against Smart DVR connection's every 6 weeks. 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.

FourScan ships an update every 5 days, Smart DVR connection every 6 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FourScan | Smart DVR connection |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Size | 3 MB | 39 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [satoshi amasaki](https://appshunter.io/developer/1891268722) | [Nikita Perfilyev](https://appshunter.io/developer/1787392865) |

## What reviewers say

### FourScan

[App page](https://appshunter.io/ios/app/fourscan-spy-detector/id6761895107)

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

**In-app purchases:** none


### Smart DVR connection

[App page](https://appshunter.io/ios/app/smart-dvr-connection/id6794244404)

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

**In-app purchases:** none


## Frequently asked questions

### Is FourScan free?

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

### Is Smart DVR connection free?

Smart DVR connection is free to download, with no in-app purchases.

### Do FourScan or Smart DVR connection have ads?

Neither FourScan nor Smart DVR connection shows ads.

### Which is updated more often, FourScan or Smart DVR connection?

FourScan ships an update every 5 days, and Smart DVR connection every 6 weeks. Most recently, FourScan was updated on October 29, 2026 and Smart DVR connection 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.*