EMF Hunter

User your phone as an EMF (electromagnetic field) detector.

Derek Hoffmeister · com.derekhoffmeister.emfhunter

Not rated yet 10K+ downloads v1.5 6.7 MB Android 6.0+ PEGI 3 · Everyone

Download APK 6.7 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.5 (7)
Updated: Jan 29, 2026 (8 months ago)
APK size: 6.7 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Entertainment (app)
Listed since: Dec 19, 2022 (at least)
Permissions: 8
Website: derekhoffmeister.com/emf_hunter.html
Developer contact: [email protected]

About this APK

EMF Hunter is an app by Derek Hoffmeister in the Entertainment category, listed since at least December 2022. It has no native code, so it runs on any Android processor.

It asks for 8 permissions, none of them sensitive. It asks for the same permissions as version 1.4. The app can read the advertising ID that ad and analytics services use.

What's new in v1.5

Android 14 support.

Description

From the listing uploaded by “appupdater”.

------------- EMF Hunter ------------- This app is intended for entertainment purposes only. This app supports devices with an internal compass. ------------- Description ------------- User your phone as an EMF (electromagnetic field) detector. This app uses the power of your phones internal compass to detect magnetic and electric fluctuations in the environment around you. This is perfect for people looking to detect magnetic fields: teachers, students, technophiles, and even Ghost hunters! This app is not intended to be a scientific instrument, and it's readings are subject to external conditions and the accuracy of the device's internal compass. ------------- Features ------------- * Detects the strength of magnetic fields in all three dimensions * Easy to read meter lets you gauge with a simple look the strength of fields in different directions * Light up LED icons display showing field strength, the more LED icons that light up, the more force there is * Graph view shows the changing values of the field from all three dimensions * Ability to start and pause detection * Magnetic force is calculated in microteslas

Version history

2 versions are listed, going back to v1.4.

v1.5 LATEST Jan 29, 2026 6.7 MB TRUSTED v1.4 May 21, 2024 6.3 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jan 29, 2026.
Certificate issued to “Unknown” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Jan 29, 2026
Validated against Google Play Jan 29, 2026
Signed byCN=Derek Hoffmeister, OU=Unknown, O=Unknown, L=Milwaukee, ST=WI, C=US
Signing certificate (SHA-1)3A:41:F9:CE:97:45:45:60:36:BF:86:42:F5:FD:34:77:46:EE:8F:7D
File MD58a98050d483bcd56ea7ce209e7a1fe63
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (8)

EMF Hunter requests 8 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

EMF Hunter APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the EMF Hunter APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 8a98050d483bcd56ea7ce209e7a1fe63.