Comparison

Metal Detector EMF+ vs Engineer Ally Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Metal Detector EMF+

This utility app uses your device's magnetometer to measure magnetic fields and detect metal objects. It offers real-time data, customizable alerts, and historical logging for various applications.

Highlights
  • Magnetic field measurement
  • Metal object detection
  • Real-time data display
  • Customizable alerts
  • Historical data logging
  • User-friendly interface
Features
Read full description

Discover the Hidden World Around You with Metal & Magnetic Field Detector! Unlock the full potential of your iPhone with Metal & Magnetic Field Detector, the ultimate tool for measuring magnetic fields and detecting metal objects. Whether you're a curious explorer, a DIY enthusiast, or a professional in need of precise measurements, our app is designed to provide accurate and reliable data right at your fingertips. Key Features: 1. Accurate Magnetic Field Measurement: Utilize your phone's built-in magnetometer to measure the magnetic field strength in microteslas (µT). Perfect for detecting magnetic anomalies and understanding the unseen forces around you. 2. Metal Detection: Easily detect metal objects with high sensitivity. Ideal for finding hidden metal objects in walls, floors, or outdoors. 3. Real-Time Data: Get real-time updates on magnetic field strength and metal detection, ensuring you have the most current information at all times. 4. User-Friendly Interface: Intuitive and easy-to-use interface designed for both novice users and professionals. Navigate through features effortlessly and get the data you need quickly. 5. Customizable Alerts: Set thresholds for magnetic field strength and receive alerts when these levels are exceeded. Stay informed and make timely decisions based on accurate data. 6. Historical Data Logging: Track and save your measurements over time. Analyze trends and patterns to gain deeper insights into your environment. 7. Multi-Purpose Tool: Perfect for a variety of uses including home improvement projects, scientific research, educational purposes, and more. Why Choose Metal & Magnetic Field Detector? Precision and Reliability: Our app leverages advanced algorithms to ensure the highest accuracy in measurements. Versatile Applications: From detecting hidden metal objects to studying magnetic fields, this app is your go-to tool for multiple scenarios. User-Centric Design: We prioritize user experience, making sure our app is easy to use while providing powerful features. How It Works: Download and Install: Get the app from the App Store and install it on your iPhone. Open the App: Launch the app and grant necessary permissions for it to access your phone's magnetometer. Start Measuring: Begin exploring your environment by measuring magnetic fields or detecting metal objects. Analyze Data: Use the real-time data, customizable alerts, and historical logs to understand and interpret the information. Download Metal & Magnetic Field Detector today and start exploring the hidden magnetic world around you! Subscription Information: Subscription Services: Weekly Membership, Monthly Membership, Annual Membership. Subscription Prices: Weekly Membership is $0.99/week, Lifetime Membership is $4.99. Payment: Payment will be charged to your iTunes account upon confirmation of purchase. Renewal: Your iTunes account will be charged for renewal within 24 hours prior to the end of the current period, extending the subscription period by one cycle. Cancellation: To cancel a subscription, you must do so at least 24 hours before the end of the current subscription period. To cancel, go to Settings > iTunes & App Store > Apple ID > Subscriptions, and select the subscription you want to cancel. Privacy Policy: https://www.freeprivacypolicy.com/live/853a3939-19ab-4023-ad98-a48143be2a1b Terms of Service: https://www.freeprivacypolicy.com/live/4f5551d3-038f-4641-a0b9-01169bb8cf3a

About

Engineer Ally Mobile

Features
Read full description

This companion app connects to our IoT device via Bluetooth Low Energy (BLE) to configure its local Wi-Fi settings, collect device details such as Device Name, and securely registers it in our backend database—all in just a few taps. Requires BLE support.

Screenshots

Metal Detector EMF+3 screens
Engineer Ally Mobile4 screens

Verdict

The call

The clearest difference is in-app purchases: Engineer Ally Mobile at none against Metal Detector EMF+'s 3. Metal Detector EMF+'s advantage is update cadence (monthly vs every 3 months). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Metal Detector EMF+ sells 3 in-app purchases, starting at $0.99 per 7 days. Engineer Ally Mobile asks for nothing beyond the download.

UpkeepUpdate frequency

Metal Detector EMF+ ships an update monthly, Engineer Ally Mobile every 3 months. Both last shipped on October 24, 2026.

Scorecard2 real differences · 7 level
Metal Detector EMF+ versus Engineer Ally Mobile: the parameters behind the verdict, then further details
ParameterMetal Detector EMF+Engineer Ally Mobile
PriceFreeFree
Rating4.0 (8 ratings) — better—
Number of ratings8 — better—
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size18 MB66 MB
Age rating4+4+
Developer子煜 孟Engineer Ally

In-app purchases

3 purchases

Metal Detector EMF+

Subscriptions2
  • Weekly Subscription$0.997 Days
  • Weekly Subscription3 Days trial$1.997 Days
One-time1
  • Lifetime Use$4.99
None

Engineer Ally Mobile

No in-app purchases

Questions

Is Metal Detector EMF+ free?
Metal Detector EMF+ is free to download, with in-app purchases available.
Is Engineer Ally Mobile free?
Engineer Ally Mobile is free to download, with no in-app purchases.
Do Metal Detector EMF+ or Engineer Ally Mobile have ads?
Neither Metal Detector EMF+ nor Engineer Ally Mobile shows ads.
Which is updated more often, Metal Detector EMF+ or Engineer Ally Mobile?
Metal Detector EMF+ ships an update monthly, and Engineer Ally Mobile every 3 months. Most recently, Metal Detector EMF+ was updated on October 24, 2026 and Engineer Ally Mobile on October 24, 2026.

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