# FourScan vs Stud Finder Pro

FourScan and Stud Finder Pro are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | FourScan | Stud Finder Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 3 MB | 23 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [satoshi amasaki](https://appshunter.io/developer/1891268722) | [burak baylan](https://appshunter.io/developer/1741121234) |

## 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


### Stud Finder Pro

[App page](https://appshunter.io/ios/app/stud-finder-pro-wall-detector/id6798786443)

**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 Stud Finder Pro free?

Stud Finder Pro is free to download, with no in-app purchases.

### Do FourScan or Stud Finder Pro have ads?

Neither FourScan nor Stud Finder Pro 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.*