# MyKey vs Stud Finder

The clearest difference is in-app purchases: MyKey at none against Stud Finder's 3. MyKey also leads on device support (3 vs 1) and iOS requirement (15.5 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Stud Finder sells 3 in-app purchases, starting at $5.99 per 7 days. MyKey asks for nothing beyond the download.

MyKey ships an update every 6 weeks, Stud Finder every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | MyKey | Stud Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (101 ratings)](https://appshunter.io/ios/app/stud-finder-wall-detector-pro/id6755739674/reviews)** |
| Number of ratings | — | **101** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 21 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Personal Data Labs UK Ltd](https://appshunter.io/developer/1791767984) | [Nergis Sadiklar](https://appshunter.io/developer/1791715574) |

## What reviewers say

### MyKey

[App page](https://appshunter.io/ios/app/mykey/id6741684503)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stud Finder

[App page](https://appshunter.io/ios/app/stud-finder-wall-detector-pro/id6755739674)

This app transforms your phone into a professional wall scanner, detecting studs, nails, and metallic objects behind drywall. It offers precise positioning, customizable alerts, and sensitivity calibration for various wall types. A free bubble level tool is also included.

**Highlights:** Smart Detection System, 3D Position Mapping, Multi-Sensory Alerts, Sensitivity Calibration, Bubble Level Tool

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studfinder Tool Weekly | $5.99 | per 7 days |
| Studfinder Tool Weekly with Trial | $7.99 | per 7 days |
| Studfinder Tool Yearly | $39.99 | per year |


## Frequently asked questions

### Is MyKey free?

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

### Is Stud Finder free?

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

### Do MyKey or Stud Finder have ads?

Neither MyKey nor Stud Finder shows ads.

### Which is updated more often, MyKey or Stud Finder?

MyKey ships an update every 6 weeks, and Stud Finder every 3 months. Most recently, MyKey was updated on October 25, 2026 and Stud Finder on October 25, 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.*