# Stud Finder Pro vs Kaltmann Gen

The clearest difference is in-app purchases: Kaltmann Gen at none against Stud Finder Pro's 3. Kaltmann Gen also leads on iOS requirement (13.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. Stud Finder Pro sells 3 in-app purchases, starting at $2.99 per 7 days. Kaltmann Gen asks for nothing beyond the download.

## The numbers

| Metric | Stud Finder Pro | Kaltmann Gen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (195 ratings)](https://appshunter.io/ios/app/stud-finder-pro-wall-scanner/id6757309084/reviews)** | — |
| Number of ratings | **195** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 29 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KnotSmith Ltd.](https://appshunter.io/developer/1817434588) | [小刚 任](https://appshunter.io/developer/1680428736) |

## What reviewers say

### Stud Finder Pro

[App page](https://appshunter.io/ios/app/stud-finder-pro-wall-scanner/id6757309084)

Transform your iPhone into a versatile wall scanner. Detect studs, pipes, wires, and rebar with real-time feedback. Get expert guidance on drill bits and anchors, log your projects, and ensure precise alignment with built-in level tools.

**Highlights:** Real-time stud, pipe, and wire detection, Drill bit and anchor recommendations, Construction photo logging with watermarks, Precision level tools (bubble and laser grid), Offline functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stud Finder Pro 1 Week | $2.99 | per 7 days |
| Stud Finder Pro 1 Month | $5.99 | per month |
| Stud Finder Pro 1 Year | $7.99 | per year |


### Kaltmann Gen

[App page](https://appshunter.io/ios/app/kaltmann-gen/id6763030206)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stud Finder Pro free?

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

### Is Kaltmann Gen free?

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

### Do Stud Finder Pro or Kaltmann Gen have ads?

Neither Stud Finder Pro nor Kaltmann Gen 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.*