# MetalHunt: Wall Scan & Studs — Maps joist spacing and rebar

> Maps joist spacing and rebar (iPhone/iPad app by lapnito.cz s.r.o..)

- Source: https://appshunter.io/ios/app/metalhunt-wall-scan-and-studs/id6764029942 (this page in markdown: same URL + `.md`)
- Developer: [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 33 MB
- Languages: American English
- Released: 2026-04-28
- Data updated: 2026-09-15
- User reviews in markdown: https://appshunter.io/ios/app/metalhunt-wall-scan-and-studs/id6764029942/reviews.md

## What is MetalHunt?

MetalHunt scans a whole wall, not one spot. It maps the studs, works out the spacing and marks the safe gaps between them before you drill.

Calibrate first. Swing the phone in a figure eight until the app confirms it — until then a reading can show a find on an empty table.

NEW IN 2.0

- Wall Map. Scan a wall in a grid and get a heat map of the whole surface instead of one live number. Save a map for every wall and export it as an image. Wall Map is in beta: rows are divided by time rather than distance, so the map is faithful only if you sweep at an even pace.
- PDF report. Turn any scan into a document you can hand to a client or keep with your renovation notes.
- EMF Inspector. Measure the field around a microwave, router, fridge or bed, and read each result next to the typical published range for that appliance.
- Lab Mode. Five guided experiments with the raw magnetometer signal.
- Stud Assist. Classifies the shape of a signal so you can tell a stud edge from a pipe.
- Sonar audio feedback, peak hold, a home screen widget, Shortcuts and quick actions.

WHAT IT FINDS

- Iron studs and steel framing before drilling
- Steel pipes and rebar in walls, floors and concrete
- Nails, screws, bolts and hidden hardware
- Magnets and steel tools
- Magnetic fields from motors, microwaves and transformers

WHAT IT CANNOT FIND

The iPhone magnetometer reacts to ferromagnetic materials only: iron, steel and nickel. It cannot find gold, silver, copper, aluminium or brass, and no app on any phone can. It measures magnetic field strength, not depth, and it is not a medical or safety device. Always confirm with a proper stud finder before you drill.

PRIVACY

No accounts. No ads. No analytics. Nothing leaves your phone and the app works fully offline.

Built in Litovel, Czechia.


## Version history (last 2 releases)

### 2.0 — 2026-09-09

2.0 is the biggest update since launch.

- Wall Map: grid-scan a whole wall and save the heat map (beta)
- PDF report and printable worksheets
- EMF Inspector: appliance readings next to typical ranges
- Lab Mode: five magnetometer experiments
- Stud Assist: tells a stud edge from a pipe
- Sonar audio, peak hold, widget and Shortcuts
- Still fully offline, still no ads, accounts or tracking

### 1.0 — 2026-04-28

No release notes.

## Apps similar to MetalHunt

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Metal Detector and EMF Scanner](https://appshunter.io/ios/app/metal-detector-and-emf-scanner/id6759464304) | 5.0 (1) | Free | Utilities |
| [Stud Finder - Wall Scanner](https://appshunter.io/ios/app/stud-finder-wall-scanner/id6764902548) | 4.8 (4) | Free | Utilities |
| [Metal Detector - EMF](https://appshunter.io/ios/app/metal-detector-emf/id6755724522) | 3.9 (14) | Free | Utilities |
| [Stud Finder Pro: Wall Scanner](https://appshunter.io/ios/app/stud-finder-pro-wall-scanner/id6757309084) | 4.6 (134) | Free | Utilities |
| [Wall Stud Finder Beam Detector](https://appshunter.io/ios/app/wall-stud-finder-beam-detector/id6751721442) | 4.6 (148) | Free | Utilities |
| [Stud Finder: Wall Detector Pro](https://appshunter.io/ios/app/stud-finder-wall-detector-pro/id6755739674) | 3.9 (65) | Free | Utilities |

## More apps by lapnito.cz s.r.o.

- [FuelFare: Trip Cost Calculator](https://appshunter.io/ios/app/fuelfare-trip-cost-calculator/id6450358923)
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- [Scan to PDF: Sign & Redact](https://appshunter.io/ios/app/scan-to-pdf-sign-and-redact/id6759046751)
- [Color Picker: Photo & RAL](https://appshunter.io/ios/app/color-picker-photo-and-ral/id6759371237)

All apps by lapnito.cz s.r.o.: https://appshunter.io/developer/1577358577

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-15.*