# dTector - Metal Detector AR — AR Magnetic Field Detector > AR magnetometer app visualizing magnetic fields in 3D. (iPhone/iPad app by Immaginet Srl.) - Source: https://appshunter.io/ios/app/dtector-metal-detector-ar/id910643165 (this page in markdown: same URL + `.md`) - Developer: [Immaginet Srl](https://appshunter.io/developer/545184631) - Category: Utilities, Reference - Price: Free with in-app purchases - Rating: 4.10/5 from 7 App Store ratings · 18 written reviews indexed - Age rating: 4+ - Requires: iOS 18.0 · 8 MB - Languages: American English, Italian, European Spanish - Released: 2014-08-25 - Data updated: 2026-08-24 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/dtector-metal-detector-ar/id910643165/reviews.md ## What is dTector? dTector turns your iPhone's built-in magnetometer into a magnetic field meter — then draws what it reads in 3D, floating in augmented reality. WHAT IT MEASURES Your device contains a magnetometer, the sensor behind the compass. dTector reads it continuously and shows the magnetic flux density around you in microtesla (µT) and milligauss (mG). Earth's natural field is roughly 49 µT. Bring the device near steel, iron, a magnet, a motor or a current-carrying cable and the reading climbs. AR 3D FIELD MAP Point the camera and walk. Using ARKit, dTector anchors every reading at the exact point in space where it was taken, then builds a live 3D map: field lines and glowing hotspots suspended in the room, right where the field is strongest. Save a map, come back to it, export it as PLY. FEATURES • Live magnetometer readout in µT and mG • Ferromagnetic metal detection — steel, iron, pipes, rebar, wiring • AR 3D field mapping with field lines and hotspots • Sonar feedback — sound and haptics that rise with the field • Directional guidance toward the strongest nearby reading • Session logging and PLY export • Apple Watch companion • Shake to recalibrate GETTING GOOD RESULTS Move slowly. The sensitive area sits near the camera, so lead with the top of the device. Take the phone out of cases with magnetic closures — MagSafe and magnetic flaps will dominate the reading. Shake to recalibrate whenever values drift. WHAT IT CANNOT DO dTector reads the magnetometer, and only the magnetometer. It finds non-magnetic metals such as aluminium, copper or gold only when they carry current strong enough to bend the magnetic field. It is not a radiation meter, not a stud finder, and not a replacement for a calibrated instrument. Sensitivity varies considerably between iPhone models. dTector is built for curiosity, learning and entertainment. It is not a professional measuring instrument and must not be used for safety, medical, occupational or scientific decisions. ## Key features - Live magnetometer readout (µT and mG) - Ferromagnetic metal detection - AR 3D field mapping - Sonar feedback (sound and haptics) - Directional guidance - Session logging and PLY export - Apple Watch companion ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | dTector PRO | $4.99 | one-time | ## Recent user reviews (10 of 18) All indexed reviews: https://appshunter.io/ios/app/dtector-metal-detector-ar/id910643165/reviews.md ### 2/5 — Boff *2021-03-18* Quand je place mon téléphone avec votre application sur mon chauffage ça monte vers le rouge ... ### 5/5 — GPS/Location got hacked *2021-02-23* While in Apartment Hotel Livit Seilerstr Frankfurt a Main, under electromagnetic #surveillance. Hack (man in the middle, vanEck???) used mobile phone Iphone6 location set to (null) zero. Appeared on screen. Made screenshots. ### 4/5 — Detector *2020-05-22* This is a great app and works very well when you get to understand just how it works, the detection is very accurate for this kind of software but also I think it relies heavily on your phone’s hardware ability to work with the app. ### 5/5 — Fonctionne *2019-04-10* Rien à dire de plus que cette app fonctionne. Quand j’approche ma cigarette électronique, vuiiiip, ça monte d’un coup ! ### 5/5 — dTector App *2018-12-04* Works fine and does what it is assigned or meant to do. Very good! ### 1/5 — Mist *2018-01-24* Lässt sich nach der Installation nicht mehr deinstallieren ### 2/5 — Pony *2016-12-08* It reacts to some stuff, not going to stand up in court or save you from cancer ### 1/5 — müll *2016-03-11* nur werbung ### 1/5 — Sinnlose App *2016-03-03* Die angezeigten Werte sind rein zufällig. Die ständig wiederholen Werbung nervt sehr. Also, spart euch für Installation dieser App. ### 1/5 — Another waste of time piece of cr*p *2016-02-17* All this useless app does is monitor your microphone and motion of your phone. Another pile crap riddled with adverts every 1 second. Useless do not waste your time ## Frequently asked questions about dTector ### What can dTector detect? dTector can detect ferromagnetic metals like steel and iron, including pipes and rebar, by reading the magnetic field they generate. It can also detect current-carrying cables. It cannot detect non-magnetic metals like aluminum or gold unless they carry a strong enough current. ### How accurate is dTector? Accuracy can vary significantly between iPhone models. For best results, move slowly, remove the phone from cases with magnetic closures, and shake to recalibrate when values drift. It is not a professional measuring instrument. ### Does dTector have ads? Yes, dTector contains advertisements. Users may encounter ads while using the application. ### What devices does dTector support? dTector is compatible with iPhone, iPad, and Apple Watch devices, allowing for a versatile user experience across Apple's ecosystem. ### Can I save and export my magnetic field maps? Yes, dTector allows you to save your AR 3D field maps and revisit them later. You can also export these maps in PLY format for further analysis or use in other applications. ### What is the age rating for dTector? dTector has an age rating of 4+, making it suitable for a wide range of users, including children, to explore magnetic fields. ### How often is dTector updated? The latest version of dTector is 4.0, and it was last updated on August 13, 2026. This indicates a history of updates, though the provided date is in the future. ### What is the price of dTector? dTector is available for free download. While the app itself is free, it does offer in-app purchases. ## Version history (last 5 releases) ### 4.0 — 2026-08-13 Rebuilt for modern iPhone. • NEW: AR 3D Field Map — readings anchored in real space with live field lines and hotspots • NEW: Apple Watch companion app • Redesigned interface with new themes and sound profiles • Sonar feedback with global sound and haptic controls • Directional guidance toward the strongest nearby reading • Session logging and PLY export • Rewritten measurement pipeline and a clearer µT / mG readout ### 2.0 — 2017-04-18 This update from Apple will improve the functionality of this app. No new features are included. - bug fixes ### 1.70 — 2015-07-28 - minor bug fixes ### 1.61 — 2015-06-10 - bug fixes ### 1.6 — 2015-03-19 - minor bug fixes - better performance ## More apps by Immaginet Srl - [Paper - Block Notes, Draw, Paint, Sketch on your photo! Free](https://appshunter.io/ios/app/paper-block-notes-draw-paint-sketch-on-your-photo-free/id547050787) - [GPS Finder: Car and location tracking free](https://appshunter.io/ios/app/gps-finder-car-and-location-tracking-free/id859401429) - [Bitcoin.CZ - Bitcoin pool mining monitor](https://appshunter.io/ios/app/bitcoincz-bitcoin-pool-mining-monitor/id879074039) - [Walk - Pedometer Step Counter for running, jogging and training with widget](https://appshunter.io/ios/app/walk-pedometer-step-counter-for-running-jogging-and-training-with-widget/id889607407) - [dTector PRO - Metal Detector and EMF level meter](https://appshunter.io/ios/app/dtector-pro-metal-detector-and-emf-level-meter/id932334225) All apps by Immaginet Srl: https://appshunter.io/developer/545184631 ## Related topics [radiation detector electromagnetic](https://appshunter.io/ios/topics/radiation-detector-electromagnetic) · [metal detecting](https://appshunter.io/ios/topics/metal-detecting) --- *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 2026-08-24.*