Stud Finder゜ vs NSD Detector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stud Finder゜
This application utilizes your iPhone's magnetometer to detect metal objects, helping you locate hidden studs behind walls. It's designed to quickly find wood studs concealed by drywall, plasterboard, or stucco. Performance may vary based on wall construction and phone accessories.
- Detects studs using magnetometer
- Locates metal objects
- Works through drywall, plasterboard, stucco
- Quick stud detection
- Removable case recommended for best performance
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STUD FINDER / DETECTOR This app will help you to detect studs. It uses the magnetometer to measure the magnetic field when your iPhone is placed near any metal objects. You can quickly detect wood studs hidden under walls, drywall, plasterboard or stucco. DISCLAIMER: The performance of the app is limited by the construction of the wall, presence of a phone cover and/or the material of the nails in the studs. INSTRUCTIONS: If your device has an external case then please remove it before using this app.
NSD Detector
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NSD Detector is a professional underground analysis app designed to work with your dedicated gradiometer device. It receives real-time magnetic field data from your device, processes and visualises it, and helps you make faster and safer decisions in the field. Underground metal and cavity analysis: Helps detect valuable metals, cavities and anomalies. Pinpoint mode: A precise targeting screen that helps you determine the exact location of a target. Live scanning: View real-time data from your device on charts and 3D visuals. Recording and review: Save your measurements and reopen them later for analysis. Easy connection: Secure and stable Bluetooth connection to the NSD Moment device. NSD Detector does not work as a standalone app; it is designed to be used only with a compatible NSD Moment gradiometer device.
Screenshots
Verdict
The clearest difference is in-app purchases: NSD Detector at none against Stud Finder゜'s 1. NSD Detector also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Stud Finder゜ sells 1 one-off in-app purchase. NSD Detector asks for nothing beyond the download.
Stud Finder゜ ships an update every 4 months, NSD Detector every 2 months. The most recent releases landed on September 29, 2026 and September 25, 2026 respectively.
| Parameter | Stud Finder゜ | NSD Detector |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4.9K ratings) — better | — |
| Positive reviews | 35.3% of reviews | — |
| Number of ratings | 4.9K — better | — |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 35 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Hanja Devi | NEURO SCAN DETECTOR LTD |
Bugs and requests
Stud Finder゜
Reported bugs
3 issues- Constant false positive stud detection
- App crashes or freezes
- Sensitivity settings not working as expected
Requested features
4 requests- Improved stud detection accuracy
- Better calibration options
- More intuitive user interface
- Compatibility with older devices
NSD Detector
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stud Finder゜
- Remove Ads$9.99
NSD Detector
No in-app purchases
Questions
Is Stud Finder゜ free?
Is NSD Detector free?
Do Stud Finder゜ or NSD Detector have ads?
Which is updated more often, Stud Finder゜ or NSD Detector?
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