# Stud Finder Wall Detector Tool vs Rock Picker App

The clearest difference is in-app purchases: Rock Picker App at none against Stud Finder Wall Detector Tool's 13. Stud Finder Wall Detector Tool's advantage is update cadence (every 9 days vs monthly) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Stud Finder Wall Detector Tool sells 12 in-app purchases, starting at $9.99 per 7 days. Rock Picker App asks for nothing beyond the download.

Stud Finder Wall Detector Tool ships an update every 9 days, Rock Picker App monthly. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stud Finder Wall Detector Tool | Rock Picker App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (250 ratings)](https://appshunter.io/ios/app/stud-finder-wall-detector-tool/id6477968944/reviews)** | — |
| Number of ratings | **250** | — |
| Positive reviews | 6.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Subscription | — |
| Size | 19 MB | 74 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Optimize IT](https://appshunter.io/developer/1671426874) | [Alexandra Stroulger](https://appshunter.io/developer/980895071) |

## What reviewers say

### Stud Finder Wall Detector Tool

[App page](https://appshunter.io/ios/app/stud-finder-wall-detector-tool/id6477968944)

This multi-tool app helps you find studs, measure angles, and check levels with precision. It offers real-time visual, sound, and haptic alerts, along with an Apple Watch companion for convenient monitoring. Built-in tutorials guide you through its features.

**Highlights:** Magnetic stud finder with multiple presets, Accurate bubble level for surfaces, Advanced angle finder for measurements, Customizable sound and haptic feedback, Apple Watch companion app, Detailed visual indicators, Built-in tutorials and guides

**Features:** Apple Watch app

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Weekly Pro | $9.99 | per 7 days |
| Weekly VIP | $9.99 | per 7 days |
| Weekly | $12.99 | per 7 days |
| Monthly Pro | $17.99 | per month |
| Monthly | $19.99 | per month |
| Annual Pro | $29.99 | per year |
| Annual | $29.99 | per year |
| Annual VIP | $29.99 | per year |
| Annual VIP | $49.99 | per year |
| Monthly VIP | $49.99 | per month |
| Annual VIP | $99.99 | per year |

**What reviewers like**

- 👍 Worked great once
- 👍 Found the stud so fast
- 👍 Accurate stud finding

**What reviewers complain about**

- 👎 Does not work
- 👎 Scam app
- 👎 Waste of money
- 👎 Cannot cancel subscription
- 👎 Charged immediately

**Reported bugs**

- App falsely identifies studs when phone is in the air
- Scan never starts working
- Unable to cancel subscription
- Charged despite attempting to cancel
- App does not work

**Requested features**

- Improve accuracy on wood studs
- Provide clear instructions on how to use the app
- Offer a reliable cancellation method
- Add support for wood studs
- Fix the 'Start Scan' button issue


### Rock Picker App

[App page](https://appshunter.io/ios/app/rock-picker-app/id6789734754)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stud Finder Wall Detector Tool free?

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

### Is Rock Picker App free?

Rock Picker App is free to download, with no in-app purchases.

### Do Stud Finder Wall Detector Tool or Rock Picker App have ads?

Neither Stud Finder Wall Detector Tool nor Rock Picker App shows ads.

### Which is updated more often, Stud Finder Wall Detector Tool or Rock Picker App?

Stud Finder Wall Detector Tool ships an update every 9 days, and Rock Picker App monthly. Most recently, Stud Finder Wall Detector Tool was updated on October 20, 2026 and Rock Picker App on October 12, 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.*