Magnetometer X vs Aquaread BlueLink
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Magnetometer X
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Transform your iPhone or iPad into a precision magnetic field and metal detector. No ads! Magnetometer X uses your device's built-in sensor to measure electromagnetic fields in real time, helping you locate ferromagnetic metal objects, find studs behind walls, and explore the magnetic world around you. THREE POWERFUL MODES Gauge Mode (FREE) A beautiful analog-style gauge displays magnetic field strength with instant visual feedback. Perfect for quick metal detection and general-purpose measurements. Wall Scanner Mode (PRO) A real-time scrolling graph helps you locate studs, steel pipes, and magnetic anomalies hidden behind drywall. Scan slowly across a wall and watch the graph spike when you pass over metalβno guesswork required. Scientific Mode (PRO) Built for students, researchers, and professionals who need deeper analysis: β’ Visualization of magnetic 3D field vectors and polarity β’ Separate X, Y, Z axis readings with total field magnitude β’ Compare calibrated anomaly vs. total field β’ Record data at 1 Hz, 10 Hz, or raw sensor rate (~100 Hz) β’ Export GPS-tagged CSV logs for field research KEY FEATURES β’ Zero Calibration β Set a baseline anywhere to detect relative changes β’ Multiple Units β Display readings in microtesla (ΞΌT), milligauss (mG), or gauss (G) β’ Audio & Haptic Feedback β Three sound styles plus tactile vibrations help you detect without looking at the screen (haptic feedback is not available on iPad) β’ Dark & Light Themes β Choose your preferred appearance PRACTICAL USES β’ Find wall studs before drilling β’ Detect steel objects in walls, floors, or ceilings β’ Identify magnetized tools β’ Educational demonstrations of magnetic fields β’ Paranormal investigation (EMF hunting) β’ Science projects and physics experiments NO SUBSCRIPTIONS Unlock PRO features with a single one-time purchase. No recurring fees, no trials that expireβjust full access forever. IMPORTANT NOTE ON METALS: Magnetometer X detects ferrous (magnetic) metals like iron, steel, and nickel. It does not detect non-ferrous metals such as copper, aluminum, silver, or gold. If a pipe or stud is not magnetic, the sensor will not react to it.
Aquaread BlueLink
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Discover the all-new BlueLink app, the official companion for Aquaread water quality probes. Turn your iPhone or iPad into a powerful monitoring station. With BlueLink, you can easily connect to your AquaProbe or AquaSonde via the BlueLink Bluetooth module to view, record, and analyze your environmental data in real time. Whether you are in the field or analyzing results later, BlueLink gives you full control over your water quality monitoring. Key Features: Real-Time Monitoring: View live data from your probe instantly, in both digital and graphical formats. Seamless Data Logging: Save your readings directly as CSV files. Easy Sharing & Access: Access your saved logs anytime to review, download, or share them on the go. Effortless Calibration: Calibrate every connected sensor quickly and accurately right from the app. Fully Customizable: Enjoy total flexibility by choosing exactly which parameters and units you want to display. Want to learn more? Visit the official Aquaread website for full details: https://www.aquaread.com/products/bluetooth-and-telemetry/bluelink
Screenshots
Verdict
The clearest difference is in-app purchases: Aquaread BlueLink at none against Magnetometer X's 1. Aquaread BlueLink also leads on iOS requirement (15.6 vs 18.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Magnetometer X sells 1 one-off in-app purchase. Aquaread BlueLink asks for nothing beyond the download.
Magnetometer X ships an update every 3 weeks, Aquaread BlueLink fortnightly. Both last shipped on October 28, 2026.
| Parameter | Magnetometer X | Aquaread BlueLink |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Fortnightly β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 18.0 | 15.6 β better |
| Further details β not scored | ||
| Size | 7 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Rok Dovecar | NKE INSTRUMENTATION |
In-app purchases
Magnetometer X
- Magnetometer X PRO$4.99
Aquaread BlueLink
No in-app purchases
Questions
Is Magnetometer X free?
Is Aquaread BlueLink free?
Do Magnetometer X or Aquaread BlueLink have ads?
Which is updated more often, Magnetometer X or Aquaread BlueLink?
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