# Stud Finder Sensor vs CPU Rank

The clearest difference is price: Stud Finder Sensor at Free against CPU Rank's $0.99. CPU Rank's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads there is nothing between them.

Stud Finder Sensor is free to download; CPU Rank costs $0.99 up front. Stud Finder Sensor sells 2 in-app purchases, starting at $4.99 per 7 days. CPU Rank asks for nothing beyond the download.

## The numbers

| Metric | Stud Finder Sensor | CPU Rank |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 10 MB | 18 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mohammed Baydi](https://appshunter.io/developer/1896097312) | [立娜 王](https://appshunter.io/developer/1761096632) |

## What reviewers say

### Stud Finder Sensor

[App page](https://appshunter.io/ios/app/stud-finder-sensor-wall-scan/id6768651995)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WallScan Pro · Weekly | $4.99 | per 7 days |
| WallScan Pro · Yearly | $29.99 | per year |


### CPU Rank

[App page](https://appshunter.io/ios/app/cpu-rank-processor-benchmark/id6772950476)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stud Finder Sensor free?

Stud Finder Sensor is free to download, with in-app purchases available.

### Is CPU Rank free?

CPU Rank costs $0.99, with no in-app purchases.

### Do Stud Finder Sensor or CPU Rank have ads?

Neither Stud Finder Sensor nor CPU Rank 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.*