# Smart Sensor Automation vs Wall Detector Stud Finder

The clearest difference is in-app purchases: Smart Sensor Automation at none against Wall Detector Stud Finder's 4. Wall Detector Stud Finder's advantage is update cadence (every 2 weeks vs every 28 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Wall Detector Stud Finder sells 4 in-app purchases, starting at $5.99 per 7 days. Smart Sensor Automation asks for nothing beyond the download.

Smart Sensor Automation ships an update every 28 months, Wall Detector Stud Finder every 2 weeks. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Smart Sensor Automation | Wall Detector Stud Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/wall-detector-stud-finder/id6776188744/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 205 MB | 18 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [CLP Power Hong Kong Limited](https://appshunter.io/developer/450725910) | [veysel yesilmen](https://appshunter.io/developer/1801211273) |

## What reviewers say

### Smart Sensor Automation

[App page](https://appshunter.io/ios/app/smart-sensor-automation/id1492030903)

**In-app purchases:** none


### Wall Detector Stud Finder

[App page](https://appshunter.io/ios/app/wall-detector-stud-finder/id6776188744)

Transform your iPhone into a wall scanning toolkit. Detect wood studs, metal pipes, screws, and nails before drilling. Features include a live signal gauge, sound and haptic alerts, and a built-in level tool for precise mounting.

**Highlights:** Live wall scanner with magnetic field readings, Signal strength gauge, Wood, metal, screw, and nail detection, Sound and haptic alerts, AI Fix assistant for DIY questions, Level tool

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $5.99 | per 7 days |
| Weekly Pro | $5.99 | per 7 days |
| Pro Yearly | $19.99 | per year |
| Yearly Pro | $39.99 | per year |


## Frequently asked questions

### Is Smart Sensor Automation free?

Smart Sensor Automation is free to download, with no in-app purchases.

### Is Wall Detector Stud Finder free?

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

### Do Smart Sensor Automation or Wall Detector Stud Finder have ads?

Neither Smart Sensor Automation nor Wall Detector Stud Finder shows ads.

### Which is updated more often, Smart Sensor Automation or Wall Detector Stud Finder?

Smart Sensor Automation ships an update every 28 months, and Wall Detector Stud Finder every 2 weeks. Most recently, Smart Sensor Automation was updated on October 29, 2026 and Wall Detector Stud Finder on October 26, 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.*